diff options
author | Tom Rini <trini@konsulko.com> | 2021-01-16 11:14:21 -0500 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2021-01-16 11:14:21 -0500 |
commit | 14ea1b3635b4af8d9e283e3671f7ee872d50b859 (patch) | |
tree | b8d1c05256b6f160a598656e797071081bd1f61e | |
parent | b0db69b4e1e1bf1109bd9d4a5185cbd4058f4a8b (diff) | |
parent | 750c543ca74a80da4b67882deb967c80fe790c3f (diff) | |
download | u-boot-14ea1b3635b4af8d9e283e3671f7ee872d50b859.zip u-boot-14ea1b3635b4af8d9e283e3671f7ee872d50b859.tar.gz u-boot-14ea1b3635b4af8d9e283e3671f7ee872d50b859.tar.bz2 |
Merge branch '2021-01-15-assorted-improvements'
- Add MBR partition layout writing supporting, clean up code.
- A large number of assorted console/iomux cleanups
- A large number of board_r related cleanups.
- Log enhancements
45 files changed, 1236 insertions, 423 deletions
@@ -642,7 +642,7 @@ int syscall(int call, int *retval, ...) return 1; } -void api_init(void) +int api_init(void) { struct api_signature *sig; @@ -679,7 +679,7 @@ void api_init(void) sig = malloc(sizeof(struct api_signature)); if (sig == NULL) { printf("API: could not allocate memory for the signature!\n"); - return; + return -ENOMEM; } env_set_hex("api_address", (unsigned long)sig); @@ -691,6 +691,8 @@ void api_init(void) sig->checksum = crc32(0, (unsigned char *)sig, sizeof(struct api_signature)); debugf("syscall entry: 0x%lX\n", (unsigned long)sig->syscall); + + return 0; } void platform_set_mr(struct sys_info *si, unsigned long start, unsigned long size, diff --git a/api/api_private.h b/api/api_private.h index 07fd50a..bb23821 100644 --- a/api/api_private.h +++ b/api/api_private.h @@ -8,7 +8,7 @@ #ifndef _API_PRIVATE_H_ #define _API_PRIVATE_H_ -void api_init(void); +int api_init(void); void platform_set_mr(struct sys_info *, unsigned long, unsigned long, int); int platform_sys_info(struct sys_info *); diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index ce55294..5fe8369 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -628,7 +628,18 @@ void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size, enum dcache_option option); #ifdef CONFIG_SYS_NONCACHED_MEMORY -void noncached_init(void); +/** + * noncached_init() - Initialize non-cached memory region + * + * Initialize non-cached memory area. This memory region will be typically + * located right below the malloc() area and mapped uncached in the MMU. + * + * It is called during the generic post-relocation init sequence. + * + * Return: 0 if OK + */ +int noncached_init(void); + phys_addr_t noncached_alloc(size_t size, size_t align); #endif /* CONFIG_SYS_NONCACHED_MEMORY */ diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c index ee7d14b..bdde9cd 100644 --- a/arch/arm/lib/cache.c +++ b/arch/arm/lib/cache.c @@ -86,7 +86,7 @@ void noncached_set_region(void) #endif } -void noncached_init(void) +int noncached_init(void) { phys_addr_t start, end; size_t size; @@ -103,6 +103,8 @@ void noncached_init(void) noncached_next = start; noncached_set_region(); + + return 0; } phys_addr_t noncached_alloc(size_t size, size_t align) diff --git a/arch/m68k/lib/traps.c b/arch/m68k/lib/traps.c index c49141f..0c2c1a9 100644 --- a/arch/m68k/lib/traps.c +++ b/arch/m68k/lib/traps.c @@ -40,7 +40,7 @@ void exc_handler(struct pt_regs *fp) { for(;;); } -void trap_init(ulong value) { +static void trap_init(ulong value) { unsigned long *vec = (ulong *)value; int i; @@ -59,3 +59,10 @@ void trap_init(ulong value) { setvbr(value); /* set vector base register to new table */ } + +int arch_initr_trap(void) +{ + trap_init(CONFIG_SYS_SDRAM_BASE); + + return 0; +} diff --git a/arch/mips/lib/traps.c b/arch/mips/lib/traps.c index df8b63f..540ea48 100644 --- a/arch/mips/lib/traps.c +++ b/arch/mips/lib/traps.c @@ -99,7 +99,7 @@ static void set_handler(unsigned long offset, void *addr, unsigned long size) flush_cache(ebase + offset, size); } -void trap_init(ulong reloc_addr) +static void trap_init(ulong reloc_addr) { unsigned long ebase = gd->irq_sp; @@ -131,3 +131,10 @@ void trap_restore(void) clear_c0_status(ST0_BEV); execution_hazard_barrier(); } + +int arch_initr_trap(void) +{ + trap_init(CONFIG_SYS_SDRAM_BASE); + + return 0; +} diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c index e0f0f7e..e920e01 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu_init.c +++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c @@ -1028,7 +1028,7 @@ void arch_preboot_os(void) mtmsr(msr); } -void cpu_secondary_init_r(void) +int cpu_secondary_init_r(void) { #ifdef CONFIG_QE #ifdef CONFIG_U_QE @@ -1040,6 +1040,8 @@ void cpu_secondary_init_r(void) qe_init(qe_base); qe_reset(); #endif + + return 0; } #ifdef CONFIG_BOARD_LATE_INIT diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index f61809a..2782740 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -40,6 +40,7 @@ obj-y += interrupts.o obj-$(CONFIG_CMD_KGDB) += kgdb.o obj-y += stack.o obj-y += time.o +obj-y += traps.o endif # not minimal ifdef CONFIG_SPL_BUILD diff --git a/arch/powerpc/lib/traps.c b/arch/powerpc/lib/traps.c new file mode 100644 index 0000000..288e377 --- /dev/null +++ b/arch/powerpc/lib/traps.c @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + */ + +#include <common.h> +#include <init.h> + +DECLARE_GLOBAL_DATA_PTR; + +void trap_init(unsigned long reloc_addr); + +int arch_initr_trap(void) +{ + trap_init(gd->relocaddr); + + return 0; +} diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c index 8322ed7a..2d18d9d 100644 --- a/arch/sandbox/cpu/start.c +++ b/arch/sandbox/cpu/start.c @@ -9,6 +9,7 @@ #include <efi_loader.h> #include <errno.h> #include <init.h> +#include <log.h> #include <os.h> #include <cli.h> #include <sort.h> @@ -486,6 +487,10 @@ int main(int argc, char *argv[]) */ gd->reloc_off = (ulong)gd->arch.text_base; + /* sandbox test: log functions called before log_init in board_init_f */ + log_info("sandbox: starting...\n"); + log_debug("debug: %s\n", __func__); + /* Do pre- and post-relocation init */ board_init_f(0); diff --git a/cmd/Kconfig b/cmd/Kconfig index da86a94..0107c0f 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1034,6 +1034,14 @@ config CMD_LSBLK Print list of available block device drivers, and for each, the list of known block devices. +config CMD_MBR + bool "MBR (Master Boot Record) command" + select DOS_PARTITION + select HAVE_BLOCK_DEVICE + help + Enable the 'mbr' command to ready and write MBR (Master Boot Record) + style partition tables. + config CMD_MISC bool "misc" depends on MISC diff --git a/cmd/Makefile b/cmd/Makefile index 5b3400a..87aa949 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -178,6 +178,7 @@ obj-$(CONFIG_CMD_ZFS) += zfs.o obj-$(CONFIG_CMD_DFU) += dfu.o obj-$(CONFIG_CMD_GPT) += gpt.o +obj-$(CONFIG_CMD_MBR) += mbr.o obj-$(CONFIG_CMD_ETHSW) += ethsw.o obj-$(CONFIG_CMD_AXI) += axi.o obj-$(CONFIG_CMD_PVBLOCK) += pvblock.o diff --git a/cmd/mbr.c b/cmd/mbr.c new file mode 100644 index 0000000..da2e3a4 --- /dev/null +++ b/cmd/mbr.c @@ -0,0 +1,314 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * cmd_mbr.c -- MBR (Master Boot Record) handling command + * + * Copyright (C) 2020 Samsung Electronics + * author: Marek Szyprowski <m.szyprowski@samsung.com> + * + * based on the gpt command. + */ + +#include <common.h> +#include <blk.h> +#include <command.h> +#include <malloc.h> +#include <part.h> + +/** + * extract_val() - Extract a value from the key=value pair list + * @str: pointer to string with key=values pairs + * @key: pointer to the key to search for + * + * The list of parameters is come separated, only a value for + * the given key is returend. + * + * Function allocates memory for the value, remember to free! + * + * Return: Pointer to allocated string with the value. + */ +static char *extract_val(const char *str, const char *key) +{ + char *v, *k; + char *s, *strcopy; + char *new = NULL; + + strcopy = strdup(str); + if (strcopy == NULL) + return NULL; + + s = strcopy; + while (s) { + v = strsep(&s, ","); + if (!v) + break; + k = strsep(&v, "="); + if (!k) + break; + if (strcmp(k, key) == 0) { + new = strdup(v); + break; + } + } + + free(strcopy); + + return new; +} + +/** + * found_key() - Search for a key without a value in the parameter list + * @str: pointer to string with key + * @key: pointer to the key to search for + * + * The list of parameters is come separated. + * + * Return: True if key has been found. + */ +static bool found_key(const char *str, const char *key) +{ + char *k; + char *s, *strcopy; + bool result = false; + + strcopy = strdup(str); + if (!strcopy) + return NULL; + + s = strcopy; + while (s) { + k = strsep(&s, ","); + if (!k) + break; + if (strcmp(k, key) == 0) { + result = true; + break; + } + } + + free(strcopy); + + return result; +} + +static int str_to_partitions(const char *str_part, int blksz, + unsigned long *disk_uuid, struct disk_partition **partitions, + int *parts_count) +{ + char *tok, *str, *s; + int i; + char *val, *p; + int p_count; + struct disk_partition *parts; + int errno = 0; + uint64_t size_ll, start_ll; + + if (str_part == NULL) + return -1; + + str = strdup(str_part); + if (str == NULL) + return -ENOMEM; + + /* extract disk guid */ + s = str; + val = extract_val(str, "uuid_disk"); + if (val) { + val = strsep(&val, ";"); + p = val; + *disk_uuid = ustrtoull(p, &p, 0); + free(val); + /* Move s to first partition */ + strsep(&s, ";"); + } + if (s == NULL) { + printf("Error: is the partitions string NULL-terminated?\n"); + return -EINVAL; + } + + /* remove the optional semicolon at the end of the string */ + i = strlen(s) - 1; + if (s[i] == ';') + s[i] = '\0'; + + /* calculate expected number of partitions */ + p_count = 1; + p = s; + while (*p) { + if (*p++ == ';') + p_count++; + } + + /* allocate memory for partitions */ + parts = calloc(sizeof(struct disk_partition), p_count); + if (parts == NULL) + return -ENOMEM; + + /* retrieve partitions data from string */ + for (i = 0; i < p_count; i++) { + tok = strsep(&s, ";"); + + if (tok == NULL) + break; + + /* size */ + val = extract_val(tok, "size"); + if (!val) { /* 'size' is mandatory */ + errno = -4; + goto err; + } + p = val; + if ((strcmp(p, "-") == 0)) { + /* auto extend the size */ + parts[i].size = 0; + } else { + size_ll = ustrtoull(p, &p, 0); + parts[i].size = size_ll / blksz; + } + free(val); + + /* start address */ + val = extract_val(tok, "start"); + if (val) { /* start address is optional */ + p = val; + start_ll = ustrtoull(p, &p, 0); + parts[i].start = start_ll / blksz; + free(val); + } + + /* system id */ + val = extract_val(tok, "id"); + if (!val) { /* '' is mandatory */ + errno = -4; + goto err; + } + p = val; + parts[i].sys_ind = ustrtoul(p, &p, 0); + free(val); + + /* bootable */ + if (found_key(tok, "bootable")) + parts[i].bootable = PART_BOOTABLE; + } + + *parts_count = p_count; + *partitions = parts; + free(str); + + return 0; +err: + free(str); + free(parts); + + return errno; +} + +static int do_write_mbr(struct blk_desc *dev, const char *str) +{ + unsigned long disk_uuid = 0; + struct disk_partition *partitions; + int blksz = dev->blksz; + int count; + + if (str_to_partitions(str, blksz, &disk_uuid, &partitions, &count)) { + printf("MBR: failed to setup partitions from \"%s\"\n", str); + return -1; + } + + if (layout_mbr_partitions(partitions, count, dev->lba)) { + printf("MBR: failed to layout partitions on the device\n"); + free(partitions); + return -1; + } + + if (write_mbr_partitions(dev, partitions, count, disk_uuid)) { + printf("MBR: failed to write partitions to the device\n"); + free(partitions); + return -1; + } + + return 0; +} + +static int do_verify_mbr(struct blk_desc *dev, const char *str) +{ + unsigned long disk_uuid = 0; + struct disk_partition *partitions; + int blksz = dev->blksz; + int count, i, ret = 1; + + if (str_to_partitions(str, blksz, &disk_uuid, &partitions, &count)) { + printf("MBR: failed to setup partitions from \"%s\"\n", str); + return -1; + } + + for (i = 0; i < count; i++) { + struct disk_partition p; + + if (part_get_info(dev, i+1, &p)) + goto fail; + + if ((partitions[i].size && p.size < partitions[i].size) || + (partitions[i].start && p.start < partitions[i].start) || + (p.sys_ind != partitions[i].sys_ind)) + goto fail; + } + ret = 0; +fail: + free(partitions); + return ret; +} + +static int do_mbr(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) +{ + const char *parts = NULL; + int ret = CMD_RET_SUCCESS; + int dev = 0; + char *ep; + struct blk_desc *blk_dev_desc = NULL; + + if (argc != 4 && argc != 5) + return CMD_RET_USAGE; + + dev = (int)simple_strtoul(argv[3], &ep, 10); + if (!ep || ep[0] != '\0') { + printf("'%s' is not a number\n", argv[3]); + return CMD_RET_USAGE; + } + blk_dev_desc = blk_get_dev(argv[2], dev); + if (!blk_dev_desc) { + printf("%s: %s dev %d NOT available\n", + __func__, argv[2], dev); + return CMD_RET_FAILURE; + } + + if ((strcmp(argv[1], "write") == 0)) { + parts = (argc == 5) ? argv[4] : env_get("mbr_parts"); + printf("MBR: write "); + ret = do_write_mbr(blk_dev_desc, parts); + } else if ((strcmp(argv[1], "verify") == 0)) { + printf("MBR: verify "); + parts = (argc == 5) ? argv[4] : env_get("mbr_parts"); + ret = do_verify_mbr(blk_dev_desc, parts); + } else { + return CMD_RET_USAGE; + } + + if (ret) { + printf("error!\n"); + return CMD_RET_FAILURE; + } + + printf("success!\n"); + return CMD_RET_SUCCESS; +} + +U_BOOT_CMD(mbr, CONFIG_SYS_MAXARGS, 1, do_mbr, + "MBR (Master Boot Record)", + "<command> <interface> <dev> <partitions_list>\n" + " - MBR partition table restoration utility\n" + " Restore or check partition information on a device connected\n" + " to the given block interface\n" + " Example usage:\n" + " mbr write mmc 0 [\"${mbr_parts}\"]\n" + " mbr verify mmc 0 [\"${partitions}\"]\n" +); diff --git a/common/Kconfig b/common/Kconfig index 2bce8c9..d8982ba 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -17,6 +17,14 @@ config CONSOLE_RECORD To enable console recording, call console_record_reset_enable() from your code. +config CONSOLE_RECORD_INIT_F + bool "Enable console recording during pre-relocation init" + depends on CONSOLE_RECORD && SYS_MALLOC_F + default y + help + This option enables console recording during pre-relocation init. + CONFIG_SYS_MALLOC_F must be enabled to use this feature. + config CONSOLE_RECORD_OUT_SIZE hex "Output buffer size" depends on CONSOLE_RECORD diff --git a/common/board_f.c b/common/board_f.c index 9f441c4..ae3001b 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -503,14 +503,6 @@ static int reserve_board(void) return 0; } -static int setup_machine(void) -{ -#ifdef CONFIG_MACH_TYPE - gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */ -#endif - return 0; -} - static int reserve_global_data(void) { gd->start_addr_sp = reserve_stack_aligned(sizeof(gd_t)); @@ -522,21 +514,21 @@ static int reserve_global_data(void) static int reserve_fdt(void) { -#ifndef CONFIG_OF_EMBED - /* - * If the device tree is sitting immediately above our image then we - * must relocate it. If it is embedded in the data section, then it - * will be relocated with other data. - */ - if (gd->fdt_blob) { - gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob), 32); + if (!IS_ENABLED(CONFIG_OF_EMBED)) { + /* + * If the device tree is sitting immediately above our image + * then we must relocate it. If it is embedded in the data + * section, then it will be relocated with other data. + */ + if (gd->fdt_blob) { + gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob), 32); - gd->start_addr_sp = reserve_stack_aligned(gd->fdt_size); - gd->new_fdt = map_sysmem(gd->start_addr_sp, gd->fdt_size); - debug("Reserving %lu Bytes for FDT at: %08lx\n", - gd->fdt_size, gd->start_addr_sp); + gd->start_addr_sp = reserve_stack_aligned(gd->fdt_size); + gd->new_fdt = map_sysmem(gd->start_addr_sp, gd->fdt_size); + debug("Reserving %lu Bytes for FDT at: %08lx\n", + gd->fdt_size, gd->start_addr_sp); + } } -#endif return 0; } @@ -605,6 +597,10 @@ int setup_bdinfo(void) bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM */ } +#ifdef CONFIG_MACH_TYPE + bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */ +#endif + return arch_setup_bdinfo(); } @@ -620,14 +616,15 @@ static int init_post(void) static int reloc_fdt(void) { -#ifndef CONFIG_OF_EMBED - if (gd->flags & GD_FLG_SKIP_RELOC) - return 0; - if (gd->new_fdt) { - memcpy(gd->new_fdt, gd->fdt_blob, fdt_totalsize(gd->fdt_blob)); - gd->fdt_blob = gd->new_fdt; + if (!IS_ENABLED(CONFIG_OF_EMBED)) { + if (gd->flags & GD_FLG_SKIP_RELOC) + return 0; + if (gd->new_fdt) { + memcpy(gd->new_fdt, gd->fdt_blob, + fdt_totalsize(gd->fdt_blob)); + gd->fdt_blob = gd->new_fdt; + } } -#endif return 0; } @@ -765,15 +762,6 @@ static int initf_bootstage(void) return 0; } -static int initf_console_record(void) -{ -#if defined(CONFIG_CONSOLE_RECORD) && CONFIG_VAL(SYS_MALLOC_F_LEN) - return console_record_init(); -#else - return 0; -#endif -} - static int initf_dm(void) { #if defined(CONFIG_DM) && CONFIG_VAL(SYS_MALLOC_F_LEN) @@ -784,11 +772,12 @@ static int initf_dm(void) bootstage_accum(BOOTSTAGE_ID_ACCUM_DM_F); if (ret) return ret; -#endif -#ifdef CONFIG_TIMER_EARLY - ret = dm_timer_init(); - if (ret) - return ret; + + if (IS_ENABLED(CONFIG_TIMER_EARLY)) { + ret = dm_timer_init(); + if (ret) + return ret; + } #endif return 0; @@ -830,7 +819,9 @@ static const init_fnc_t init_sequence_f[] = { bloblist_init, #endif setup_spl_handoff, - initf_console_record, +#if defined(CONFIG_CONSOLE_RECORD_INIT_F) + console_record_init, +#endif #if defined(CONFIG_HAVE_FSP) arch_fsp_init, #endif @@ -922,7 +913,6 @@ static const init_fnc_t init_sequence_f[] = { reserve_uboot, reserve_malloc, reserve_board, - setup_machine, reserve_global_data, reserve_fdt, reserve_bootstage, diff --git a/common/board_r.c b/common/board_r.c index 29dd7d2..9fa4d4b 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -91,21 +91,8 @@ __weak int board_flash_wp_on(void) return 0; } -__weak void cpu_secondary_init_r(void) +__weak int cpu_secondary_init_r(void) { -} - -static int initr_secondary_cpu(void) -{ - /* - * after non-volatile devices & environment is setup and cpu code have - * another round to deal with any initialization that might require - * full access to the environment or loading of some image (firmware) - * from a non-volatile device - */ - /* TODO: maybe define this for all archs? */ - cpu_secondary_init_r(); - return 0; } @@ -195,20 +182,10 @@ static int initr_reloc_global_data(void) return 0; } -#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) -static int initr_trap(void) +__weak int arch_initr_trap(void) { - /* - * Setup trap handlers - */ -#if defined(CONFIG_PPC) - trap_init(gd->relocaddr); -#else - trap_init(CONFIG_SYS_SDRAM_BASE); -#endif return 0; } -#endif #ifdef CONFIG_ADDR_MAP static int initr_addr_map(void) @@ -219,14 +196,6 @@ static int initr_addr_map(void) } #endif -#ifdef CONFIG_POST -static int initr_post_backlog(void) -{ - post_output_backlog(); - return 0; -} -#endif - #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) static int initr_unlock_ram_in_cache(void) { @@ -235,25 +204,6 @@ static int initr_unlock_ram_in_cache(void) } #endif -#ifdef CONFIG_PCI_ENDPOINT -static int initr_pci_ep(void) -{ - pci_ep_init(); - - return 0; -} -#endif - -#ifdef CONFIG_PCI -static int initr_pci(void) -{ - if (IS_ENABLED(CONFIG_PCI_INIT_R)) - pci_init(); - - return 0; -} -#endif - static int initr_barrier(void) { #ifdef CONFIG_PPC @@ -282,23 +232,6 @@ static int initr_malloc(void) return 0; } -static int initr_console_record(void) -{ -#if defined(CONFIG_CONSOLE_RECORD) - return console_record_init(); -#else - return 0; -#endif -} - -#ifdef CONFIG_SYS_NONCACHED_MEMORY -static int initr_noncached(void) -{ - noncached_init(); - return 0; -} -#endif - static int initr_of_live(void) { if (CONFIG_IS_ENABLED(OF_LIVE)) { @@ -485,14 +418,6 @@ static int initr_mmc(void) } #endif -#ifdef CONFIG_XEN -static int initr_xen(void) -{ - xen_init(); - return 0; -} -#endif - #ifdef CONFIG_PVBLOCK static int initr_pvblock(void) { @@ -555,21 +480,6 @@ static int initr_malloc_bootparams(void) } #endif -static int initr_jumptable(void) -{ - jumptable_init(); - return 0; -} - -#if defined(CONFIG_API) -static int initr_api(void) -{ - /* Initialize API */ - api_init(); - return 0; -} -#endif - #ifdef CONFIG_CMD_NET static int initr_ethaddr(void) { @@ -614,14 +524,6 @@ static int initr_scsi(void) } #endif -#ifdef CONFIG_BITBANGMII -static int initr_bbmii(void) -{ - bb_miiphy_init(); - return 0; -} -#endif - #ifdef CONFIG_CMD_NET static int initr_net(void) { @@ -713,9 +615,11 @@ static init_fnc_t init_sequence_r[] = { initr_malloc, log_init, initr_bootstage, /* Needs malloc() but has its own timer */ - initr_console_record, +#if defined(CONFIG_CONSOLE_RECORD) + console_record_init, +#endif #ifdef CONFIG_SYS_NONCACHED_MEMORY - initr_noncached, + noncached_init, #endif initr_of_live, #ifdef CONFIG_DM @@ -755,9 +659,7 @@ static init_fnc_t init_sequence_r[] = { #ifdef CONFIG_NEEDS_MANUAL_RELOC initr_manual_reloc_cmdtable, #endif -#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) - initr_trap, -#endif + arch_initr_trap, #ifdef CONFIG_ADDR_MAP initr_addr_map, #endif @@ -766,15 +668,15 @@ static init_fnc_t init_sequence_r[] = { #endif INIT_FUNC_WATCHDOG_RESET #ifdef CONFIG_POST - initr_post_backlog, + post_output_backlog, #endif INIT_FUNC_WATCHDOG_RESET -#if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT) +#if defined(CONFIG_PCI_INIT_R) && defined(CONFIG_SYS_EARLY_PCI_INIT) /* * Do early PCI configuration _before_ the flash gets initialised, * because PCU resources are crucial for flash access on some boards. */ - initr_pci, + pci_init, #endif #ifdef CONFIG_ARCH_EARLY_INIT_R arch_early_init_r, @@ -798,7 +700,7 @@ static init_fnc_t init_sequence_r[] = { initr_mmc, #endif #ifdef CONFIG_XEN - initr_xen, + xen_init, #endif #ifdef CONFIG_PVBLOCK initr_pvblock, @@ -808,21 +710,21 @@ static init_fnc_t init_sequence_r[] = { initr_malloc_bootparams, #endif INIT_FUNC_WATCHDOG_RESET - initr_secondary_cpu, + cpu_secondary_init_r, #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET) mac_read_from_eeprom, #endif INIT_FUNC_WATCHDOG_RESET -#if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT) +#if defined(CONFIG_PCI_INIT_R) && !defined(CONFIG_SYS_EARLY_PCI_INIT) /* * Do pci configuration */ - initr_pci, + pci_init, #endif stdio_add_devices, - initr_jumptable, + jumptable_init, #ifdef CONFIG_API - initr_api, + api_init, #endif console_init_r, /* fully init console as a device */ #ifdef CONFIG_DISPLAY_BOARDINFO_LATE @@ -861,10 +763,10 @@ static init_fnc_t init_sequence_r[] = { initr_scsi, #endif #ifdef CONFIG_BITBANGMII - initr_bbmii, + bb_miiphy_init, #endif #ifdef CONFIG_PCI_ENDPOINT - initr_pci_ep, + pci_ep_init, #endif #ifdef CONFIG_CMD_NET INIT_FUNC_WATCHDOG_RESET diff --git a/common/console.c b/common/console.c index 3348436..b15f732 100644 --- a/common/console.c +++ b/common/console.c @@ -44,14 +44,15 @@ static int on_console(const char *name, const char *value, enum env_op op, case env_op_create: case env_op_overwrite: -#if CONFIG_IS_ENABLED(CONSOLE_MUX) - if (iomux_doenv(console, value)) - return 1; -#else - /* Try assigning specified device */ - if (console_assign(console, value) < 0) - return 1; -#endif + if (CONFIG_IS_ENABLED(CONSOLE_MUX)) { + if (iomux_doenv(console, value)) + return 1; + } else { + /* Try assigning specified device */ + if (console_assign(console, value) < 0) + return 1; + } + return 0; case env_op_delete: @@ -69,14 +70,13 @@ U_BOOT_ENV_CALLBACK(console, on_console); static int on_silent(const char *name, const char *value, enum env_op op, int flags) { -#if !CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_SET) - if (flags & H_INTERACTIVE) - return 0; -#endif -#if !CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_RELOC) - if ((flags & H_INTERACTIVE) == 0) - return 0; -#endif + if (!CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_SET)) + if (flags & H_INTERACTIVE) + return 0; + + if (!CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_RELOC)) + if ((flags & H_INTERACTIVE) == 0) + return 0; if (value != NULL) gd->flags |= GD_FLG_SILENT; @@ -88,6 +88,64 @@ static int on_silent(const char *name, const char *value, enum env_op op, U_BOOT_ENV_CALLBACK(silent, on_silent); #endif +#ifdef CONFIG_CONSOLE_RECORD +/* helper function: access to gd->console_out and gd->console_in */ +static void console_record_putc(const char c) +{ + if (!(gd->flags & GD_FLG_RECORD)) + return; + if (gd->console_out.start) + membuff_putbyte((struct membuff *)&gd->console_out, c); +} + +static void console_record_puts(const char *s) +{ + if (!(gd->flags & GD_FLG_RECORD)) + return; + if (gd->console_out.start) + membuff_put((struct membuff *)&gd->console_out, s, strlen(s)); +} + +static int console_record_getc(void) +{ + if (!(gd->flags & GD_FLG_RECORD)) + return -1; + if (!gd->console_in.start) + return -1; + + return membuff_getbyte((struct membuff *)&gd->console_in); +} + +static int console_record_tstc(void) +{ + if (!(gd->flags & GD_FLG_RECORD)) + return 0; + if (gd->console_in.start) { + if (membuff_peekbyte((struct membuff *)&gd->console_in) != -1) + return 1; + } + return 0; +} +#else +static void console_record_putc(char c) +{ +} + +static void console_record_puts(const char *s) +{ +} + +static int console_record_getc(void) +{ + return -1; +} + +static int console_record_tstc(void) +{ + return 0; +} +#endif + #if CONFIG_IS_ENABLED(SYS_CONSOLE_IS_IN_ENV) /* * if overwrite_console returns 1, the stdin, stderr and stdout @@ -114,13 +172,9 @@ static int console_setfile(int file, struct stdio_dev * dev) case stdin: case stdout: case stderr: - /* Start new device */ - if (dev->start) { - error = dev->start(dev); - /* If it's not started dont use it */ - if (error < 0) - break; - } + error = console_start(file, dev); + if (error) + break; /* Assign the new device (leaving the existing one started) */ stdio_devices[file] = dev; @@ -159,14 +213,13 @@ static bool console_dev_is_serial(struct stdio_dev *sdev) { bool is_serial; -#ifdef CONFIG_DM_SERIAL - if (sdev->flags & DEV_FLAGS_DM) { + if (IS_ENABLED(CONFIG_DM_SERIAL) && (sdev->flags & DEV_FLAGS_DM)) { struct udevice *dev = sdev->priv; is_serial = device_get_uclass_id(dev) == UCLASS_SERIAL; - } else -#endif - is_serial = !strcmp(sdev->name, "serial"); + } else { + is_serial = !strcmp(sdev->name, "serial"); + } return is_serial; } @@ -174,10 +227,42 @@ static bool console_dev_is_serial(struct stdio_dev *sdev) #if CONFIG_IS_ENABLED(CONSOLE_MUX) /** Console I/O multiplexing *******************************************/ +/* tstcdev: save the last stdio device with pending characters, with tstc != 0 */ static struct stdio_dev *tstcdev; struct stdio_dev **console_devices[MAX_FILES]; int cd_count[MAX_FILES]; +static void __maybe_unused console_devices_set(int file, struct stdio_dev *dev) +{ + console_devices[file][0] = dev; +} + +/** + * console_needs_start_stop() - check if we need to start or stop the STDIO device + * @file: STDIO file + * @sdev: STDIO device in question + * + * This function checks if we need to start or stop the stdio device used for + * a console. For IOMUX case it simply enforces one time start and one time + * stop of the device independently of how many STDIO files are using it. In + * other words, we start console once before first STDIO device wants it and + * stop after the last is gone. + */ +static bool console_needs_start_stop(int file, struct stdio_dev *sdev) +{ + int i, j; + + for (i = 0; i < ARRAY_SIZE(cd_count); i++) { + if (i == file) + continue; + + for (j = 0; j < cd_count[i]; j++) + if (console_devices[i][j] == sdev) + return false; + } + return true; +} + /* * This depends on tstc() always being called before getchar(). * This is guaranteed to be true because this routine is called @@ -194,6 +279,12 @@ static int console_getc(int file) return ret; } +/* Upper layer may have already called tstc(): check the saved result */ +static bool console_has_tstc(void) +{ + return !!tstcdev; +} + static int console_tstc(int file) { int i, ret; @@ -276,11 +367,26 @@ static inline void console_doenv(int file, struct stdio_dev *dev) } #endif #else + +static void __maybe_unused console_devices_set(int file, struct stdio_dev *dev) +{ +} + +static inline bool console_needs_start_stop(int file, struct stdio_dev *sdev) +{ + return true; +} + static inline int console_getc(int file) { return stdio_devices[file]->getc(stdio_devices[file]); } +static bool console_has_tstc(void) +{ + return false; +} + static inline int console_tstc(int file) { return stdio_devices[file]->tstc(stdio_devices[file]); @@ -310,6 +416,32 @@ static inline void console_doenv(int file, struct stdio_dev *dev) #endif #endif /* CONIFIG_IS_ENABLED(CONSOLE_MUX) */ +int console_start(int file, struct stdio_dev *sdev) +{ + int error; + + if (!console_needs_start_stop(file, sdev)) + return 0; + + /* Start new device */ + if (sdev->start) { + error = sdev->start(sdev); + /* If it's not started don't use it */ + if (error < 0) + return error; + } + return 0; +} + +void console_stop(int file, struct stdio_dev *sdev) +{ + if (!console_needs_start_stop(file, sdev)) + return; + + if (sdev->stop) + sdev->stop(sdev); +} + /** U-Boot INITIAL CONSOLE-NOT COMPATIBLE FUNCTIONS *************************/ int serial_printf(const char *fmt, ...) @@ -338,25 +470,25 @@ int fgetc(int file) */ for (;;) { WATCHDOG_RESET(); -#if CONFIG_IS_ENABLED(CONSOLE_MUX) - /* - * Upper layer may have already called tstc() so - * check for that first. - */ - if (tstcdev != NULL) - return console_getc(file); - console_tstc(file); -#else - if (console_tstc(file)) - return console_getc(file); -#endif -#ifdef CONFIG_WATCHDOG + if (CONFIG_IS_ENABLED(CONSOLE_MUX)) { + /* + * Upper layer may have already called tstc() so + * check for that first. + */ + if (console_has_tstc()) + return console_getc(file); + console_tstc(file); + } else { + if (console_tstc(file)) + return console_getc(file); + } + /* * If the watchdog must be rate-limited then it should * already be handled in board-specific code. */ - udelay(1); -#endif + if (IS_ENABLED(CONFIG_WATCHDOG)) + udelay(1); } } @@ -406,23 +538,18 @@ int fprintf(int file, const char *fmt, ...) int getchar(void) { -#ifdef CONFIG_DISABLE_CONSOLE - if (gd->flags & GD_FLG_DISABLE_CONSOLE) + int ch; + + if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE)) return 0; -#endif if (!gd->have_console) return 0; -#ifdef CONFIG_CONSOLE_RECORD - if (gd->console_in.start) { - int ch; + ch = console_record_getc(); + if (ch != -1) + return ch; - ch = membuff_getbyte((struct membuff *)&gd->console_in); - if (ch != -1) - return 1; - } -#endif if (gd->flags & GD_FLG_DEVINIT) { /* Get from the standard input */ return fgetc(stdin); @@ -434,19 +561,15 @@ int getchar(void) int tstc(void) { -#ifdef CONFIG_DISABLE_CONSOLE - if (gd->flags & GD_FLG_DISABLE_CONSOLE) + if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE)) return 0; -#endif if (!gd->have_console) return 0; -#ifdef CONFIG_CONSOLE_RECORD - if (gd->console_in.start) { - if (membuff_peekbyte((struct membuff *)&gd->console_in) != -1) - return 1; - } -#endif + + if (console_record_tstc()) + return 1; + if (gd->flags & GD_FLG_DEVINIT) { /* Test the standard input */ return ftstc(stdin); @@ -485,10 +608,8 @@ static void print_pre_console_buffer(int flushpoint) char buf_out[CONFIG_PRE_CON_BUF_SZ + 1]; char *buf_in; -#ifdef CONFIG_SILENT_CONSOLE - if (gd->flags & GD_FLG_SILENT) + if (IS_ENABLED(CONFIG_SILENT_CONSOLE) && (gd->flags & GD_FLG_SILENT)) return; -#endif buf_in = map_sysmem(CONFIG_PRE_CON_BUF_ADDR, CONFIG_PRE_CON_BUF_SZ); if (gd->precon_buf_idx > CONFIG_PRE_CON_BUF_SZ) @@ -517,38 +638,31 @@ static inline void print_pre_console_buffer(int flushpoint) {} void putc(const char c) { -#ifdef CONFIG_SANDBOX + if (!gd) + return; + + console_record_putc(c); + /* sandbox can send characters to stdout before it has a console */ - if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) { + if (IS_ENABLED(CONFIG_SANDBOX) && !(gd->flags & GD_FLG_SERIAL_READY)) { os_putc(c); return; } -#endif -#ifdef CONFIG_DEBUG_UART + /* if we don't have a console yet, use the debug UART */ - if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) { + if (IS_ENABLED(CONFIG_DEBUG_UART) && !(gd->flags & GD_FLG_SERIAL_READY)) { printch(c); return; } -#endif - if (!gd) - return; -#ifdef CONFIG_CONSOLE_RECORD - if ((gd->flags & GD_FLG_RECORD) && gd->console_out.start) - membuff_putbyte((struct membuff *)&gd->console_out, c); -#endif -#ifdef CONFIG_SILENT_CONSOLE - if (gd->flags & GD_FLG_SILENT) { + + if (IS_ENABLED(CONFIG_SILENT_CONSOLE) && (gd->flags & GD_FLG_SILENT)) { if (!(gd->flags & GD_FLG_DEVINIT)) pre_console_putc(c); return; } -#endif -#ifdef CONFIG_DISABLE_CONSOLE - if (gd->flags & GD_FLG_DISABLE_CONSOLE) + if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE)) return; -#endif if (!gd->have_console) return pre_console_putc(c); @@ -565,15 +679,18 @@ void putc(const char c) void puts(const char *s) { -#ifdef CONFIG_SANDBOX + if (!gd) + return; + + console_record_puts(s); + /* sandbox can send characters to stdout before it has a console */ - if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) { + if (IS_ENABLED(CONFIG_SANDBOX) && !(gd->flags & GD_FLG_SERIAL_READY)) { os_puts(s); return; } -#endif -#ifdef CONFIG_DEBUG_UART - if (!gd || !(gd->flags & GD_FLG_SERIAL_READY)) { + + if (IS_ENABLED(CONFIG_DEBUG_UART) && !(gd->flags & GD_FLG_SERIAL_READY)) { while (*s) { int ch = *s++; @@ -581,25 +698,15 @@ void puts(const char *s) } return; } -#endif - if (!gd) - return; -#ifdef CONFIG_CONSOLE_RECORD - if ((gd->flags & GD_FLG_RECORD) && gd->console_out.start) - membuff_put((struct membuff *)&gd->console_out, s, strlen(s)); -#endif -#ifdef CONFIG_SILENT_CONSOLE - if (gd->flags & GD_FLG_SILENT) { + + if (IS_ENABLED(CONFIG_SILENT_CONSOLE) && (gd->flags & GD_FLG_SILENT)) { if (!(gd->flags & GD_FLG_DEVINIT)) pre_console_puts(s); return; } -#endif -#ifdef CONFIG_DISABLE_CONSOLE - if (gd->flags & GD_FLG_DISABLE_CONSOLE) + if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE)) return; -#endif if (!gd->have_console) return pre_console_puts(s); @@ -725,7 +832,7 @@ void clear_ctrlc(void) /** U-Boot INIT FUNCTIONS *************************************************/ -struct stdio_dev *search_device(int flags, const char *name) +struct stdio_dev *console_search_dev(int flags, const char *name) { struct stdio_dev *dev; @@ -761,7 +868,7 @@ int console_assign(int file, const char *devname) /* Check for valid device name */ - dev = search_device(flag, devname); + dev = console_search_dev(flag, devname); if (dev) return console_setfile(file, dev); @@ -772,19 +879,19 @@ int console_assign(int file, const char *devname) /* return true if the 'silent' flag is removed */ static bool console_update_silent(void) { -#ifdef CONFIG_SILENT_CONSOLE - if (env_get("silent")) { - gd->flags |= GD_FLG_SILENT; - } else { - unsigned long flags = gd->flags; + unsigned long flags = gd->flags; - gd->flags &= ~GD_FLG_SILENT; + if (!IS_ENABLED(CONFIG_SILENT_CONSOLE)) + return false; - return !!(flags & GD_FLG_SILENT); + if (env_get("silent")) { + gd->flags |= GD_FLG_SILENT; + return false; } -#endif - return false; + gd->flags &= ~GD_FLG_SILENT; + + return !!(flags & GD_FLG_SILENT); } int console_announce_r(void) @@ -843,12 +950,8 @@ int console_init_r(void) { char *stdinname, *stdoutname, *stderrname; struct stdio_dev *inputdev = NULL, *outputdev = NULL, *errdev = NULL; -#ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE int i; -#endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */ -#if CONFIG_IS_ENABLED(CONSOLE_MUX) int iomux_err = 0; -#endif int flushpoint; /* update silent for env loaded from flash (initr_env) */ @@ -871,27 +974,27 @@ int console_init_r(void) stderrname = env_get("stderr"); if (OVERWRITE_CONSOLE == 0) { /* if not overwritten by config switch */ - inputdev = search_device(DEV_FLAGS_INPUT, stdinname); - outputdev = search_device(DEV_FLAGS_OUTPUT, stdoutname); - errdev = search_device(DEV_FLAGS_OUTPUT, stderrname); -#if CONFIG_IS_ENABLED(CONSOLE_MUX) - iomux_err = iomux_doenv(stdin, stdinname); - iomux_err += iomux_doenv(stdout, stdoutname); - iomux_err += iomux_doenv(stderr, stderrname); - if (!iomux_err) - /* Successful, so skip all the code below. */ - goto done; -#endif + inputdev = console_search_dev(DEV_FLAGS_INPUT, stdinname); + outputdev = console_search_dev(DEV_FLAGS_OUTPUT, stdoutname); + errdev = console_search_dev(DEV_FLAGS_OUTPUT, stderrname); + if (CONFIG_IS_ENABLED(CONSOLE_MUX)) { + iomux_err = iomux_doenv(stdin, stdinname); + iomux_err += iomux_doenv(stdout, stdoutname); + iomux_err += iomux_doenv(stderr, stderrname); + if (!iomux_err) + /* Successful, so skip all the code below. */ + goto done; + } } /* if the devices are overwritten or not found, use default device */ if (inputdev == NULL) { - inputdev = search_device(DEV_FLAGS_INPUT, "serial"); + inputdev = console_search_dev(DEV_FLAGS_INPUT, "serial"); } if (outputdev == NULL) { - outputdev = search_device(DEV_FLAGS_OUTPUT, "serial"); + outputdev = console_search_dev(DEV_FLAGS_OUTPUT, "serial"); } if (errdev == NULL) { - errdev = search_device(DEV_FLAGS_OUTPUT, "serial"); + errdev = console_search_dev(DEV_FLAGS_OUTPUT, "serial"); } /* Initializes output console first */ if (outputdev != NULL) { @@ -907,25 +1010,22 @@ int console_init_r(void) console_doenv(stdin, inputdev); } -#if CONFIG_IS_ENABLED(CONSOLE_MUX) done: -#endif -#ifndef CONFIG_SYS_CONSOLE_INFO_QUIET - stdio_print_current_devices(); -#endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */ + if (!IS_ENABLED(CONFIG_SYS_CONSOLE_INFO_QUIET)) + stdio_print_current_devices(); + #ifdef CONFIG_VIDCONSOLE_AS_LCD if (strstr(stdoutname, CONFIG_VIDCONSOLE_AS_NAME)) printf("Warning: Please change '%s' to 'vidconsole' in stdout/stderr environment vars\n", CONFIG_VIDCONSOLE_AS_NAME); #endif -#ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE - /* set the environment variables (will overwrite previous env settings) */ - for (i = 0; i < MAX_FILES; i++) { - env_set(stdio_names[i], stdio_devices[i]->name); + if (IS_ENABLED(CONFIG_SYS_CONSOLE_ENV_OVERWRITE)) { + /* set the environment variables (will overwrite previous env settings) */ + for (i = 0; i < MAX_FILES; i++) + env_set(stdio_names[i], stdio_devices[i]->name); } -#endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */ gd->flags |= GD_FLG_DEVINIT; /* device initialization completed */ @@ -956,18 +1056,16 @@ int console_init_r(void) else flushpoint = PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL; -#ifdef CONFIG_SPLASH_SCREEN /* * suppress all output if splash screen is enabled and we have * a bmp to display. We redirect the output from frame buffer * console to serial console in this case or suppress it if * "silent" mode was requested. */ - if (env_get("splashimage") != NULL) { + if (IS_ENABLED(CONFIG_SPLASH_SCREEN) && env_get("splashimage")) { if (!(gd->flags & GD_FLG_SILENT)) - outputdev = search_device (DEV_FLAGS_OUTPUT, "serial"); + outputdev = console_search_dev (DEV_FLAGS_OUTPUT, "serial"); } -#endif /* Scan devices looking for input and output devices */ list_for_each(pos, list) { @@ -987,23 +1085,18 @@ int console_init_r(void) if (outputdev != NULL) { console_setfile(stdout, outputdev); console_setfile(stderr, outputdev); -#if CONFIG_IS_ENABLED(CONSOLE_MUX) - console_devices[stdout][0] = outputdev; - console_devices[stderr][0] = outputdev; -#endif + console_devices_set(stdout, outputdev); + console_devices_set(stderr, outputdev); } /* Initializes input console */ if (inputdev != NULL) { console_setfile(stdin, inputdev); -#if CONFIG_IS_ENABLED(CONSOLE_MUX) - console_devices[stdin][0] = inputdev; -#endif + console_devices_set(stdin, inputdev); } -#ifndef CONFIG_SYS_CONSOLE_INFO_QUIET - stdio_print_current_devices(); -#endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */ + if (!IS_ENABLED(CONFIG_SYS_CONSOLE_INFO_QUIET)) + stdio_print_current_devices(); /* Setting environment variables */ for (i = 0; i < MAX_FILES; i++) { diff --git a/common/exports.c b/common/exports.c index 6253b55..4578f07 100644 --- a/common/exports.c +++ b/common/exports.c @@ -25,8 +25,10 @@ unsigned long get_version(void) # define miiphy_set_current_dev dummy #endif -void jumptable_init(void) +int jumptable_init(void) { gd->jt = malloc(sizeof(struct jt_funcs)); #include <_exports.h> + + return 0; } diff --git a/common/iomux.c b/common/iomux.c index 7cfd9f2..15bf533 100644 --- a/common/iomux.c +++ b/common/iomux.c @@ -27,8 +27,8 @@ int iomux_doenv(const int console, const char *arg) { char *console_args, *temp, **start; int i, j, k, io_flag, cs_idx, repeat; + struct stdio_dev **cons_set, **old_set; struct stdio_dev *dev; - struct stdio_dev **cons_set; console_args = strdup(arg); if (console_args == NULL) @@ -45,15 +45,14 @@ int iomux_doenv(const int console, const char *arg) i = 0; temp = console_args; for (;;) { - temp = strchr(temp, ','); - if (temp != NULL) { - i++; - temp++; - continue; - } /* There's always one entry more than the number of commas. */ i++; - break; + + temp = strchr(temp, ','); + if (temp == NULL) + break; + + temp++; } start = (char **)malloc(i * sizeof(char *)); if (start == NULL) { @@ -95,10 +94,10 @@ int iomux_doenv(const int console, const char *arg) for (j = 0; j < i; j++) { /* * Check whether the device exists and is valid. - * console_assign() also calls search_device(), + * console_assign() also calls console_search_dev(), * but I need the pointer to the device. */ - dev = search_device(io_flag, start[j]); + dev = console_search_dev(io_flag, start[j]); if (dev == NULL) continue; /* @@ -127,21 +126,25 @@ int iomux_doenv(const int console, const char *arg) if (cs_idx == 0) { free(cons_set); return 1; - } else { - /* Works even if console_devices[console] is NULL. */ - console_devices[console] = - (struct stdio_dev **)realloc(console_devices[console], - cs_idx * sizeof(struct stdio_dev *)); - if (console_devices[console] == NULL) { - free(cons_set); - return 1; - } - memcpy(console_devices[console], cons_set, cs_idx * - sizeof(struct stdio_dev *)); + } + + old_set = console_devices[console]; + repeat = cd_count[console]; - cd_count[console] = cs_idx; + console_devices[console] = cons_set; + cd_count[console] = cs_idx; + + /* Stop dropped consoles */ + for (i = 0; i < repeat; i++) { + for (j = 0; j < cs_idx; j++) { + if (old_set[i] == cons_set[j]) + break; + } + if (j == cs_idx) + console_stop(console, old_set[i]); } - free(cons_set); + + free(old_set); return 0; } #endif /* CONSOLE_MUX */ diff --git a/common/log.c b/common/log.c index ce39918..767f0fe 100644 --- a/common/log.c +++ b/common/log.c @@ -198,9 +198,10 @@ static bool log_passes_filters(struct log_device *ldev, struct log_rec *rec) * @rec: log record to dispatch * Return: 0 msg sent, 1 msg not sent while already dispatching another msg */ -static int log_dispatch(struct log_rec *rec) +static int log_dispatch(struct log_rec *rec, const char *fmt, va_list args) { struct log_device *ldev; + char buf[CONFIG_SYS_CBSIZE]; /* * When a log driver writes messages (e.g. via the network stack) this @@ -214,8 +215,13 @@ static int log_dispatch(struct log_rec *rec) gd->processing_msg = true; list_for_each_entry(ldev, &gd->log_head, sibling_node) { if ((ldev->flags & LOGDF_ENABLE) && - log_passes_filters(ldev, rec)) + log_passes_filters(ldev, rec)) { + if (!rec->msg) { + vsnprintf(buf, sizeof(buf), fmt, args); + rec->msg = buf; + } ldev->drv->emit(ldev, rec); + } } gd->processing_msg = false; return 0; @@ -224,10 +230,12 @@ static int log_dispatch(struct log_rec *rec) int _log(enum log_category_t cat, enum log_level_t level, const char *file, int line, const char *func, const char *fmt, ...) { - char buf[CONFIG_SYS_CBSIZE]; struct log_rec rec; va_list args; + if (!gd) + return -ENOSYS; + /* Check for message continuation */ if (cat == LOGC_CONT) cat = gd->logc_prev; @@ -240,19 +248,29 @@ int _log(enum log_category_t cat, enum log_level_t level, const char *file, rec.file = file; rec.line = line; rec.func = func; - va_start(args, fmt); - vsnprintf(buf, sizeof(buf), fmt, args); - va_end(args); - rec.msg = buf; - if (!gd || !(gd->flags & GD_FLG_LOG_READY)) { - if (gd) - gd->log_drop_count++; + rec.msg = NULL; + + if (!(gd->flags & GD_FLG_LOG_READY)) { + gd->log_drop_count++; + + /* display dropped traces with console puts and DEBUG_UART */ + if (rec.level <= CONFIG_LOG_DEFAULT_LEVEL || rec.force_debug) { + char buf[CONFIG_SYS_CBSIZE]; + + va_start(args, fmt); + vsnprintf(buf, sizeof(buf), fmt, args); + puts(buf); + va_end(args); + } + return -ENOSYS; } - if (!log_dispatch(&rec)) { + va_start(args, fmt); + if (!log_dispatch(&rec, fmt, args)) { gd->logc_prev = cat; gd->logl_prev = level; } + va_end(args); return 0; } diff --git a/common/spl/Kconfig b/common/spl/Kconfig index 6b01867..7561335 100644 --- a/common/spl/Kconfig +++ b/common/spl/Kconfig @@ -126,7 +126,7 @@ endmenu config HANDOFF bool "Pass hand-off information from SPL to U-Boot proper" - depends on BLOBLIST + depends on SPL && BLOBLIST help It is useful to be able to pass information from SPL to U-Boot proper to preserve state that is known in SPL and is needed in U-Boot. diff --git a/common/stdio.c b/common/stdio.c index a15f308..abf9b1e 100644 --- a/common/stdio.c +++ b/common/stdio.c @@ -181,7 +181,7 @@ struct stdio_dev *stdio_get_by_name(const char *name) * 'stdout', which may include a list of devices separate by * commas. Obviously this is not going to work, so we ignore * that case. The call path in that case is - * console_init_r() -> search_device() -> stdio_get_by_name() + * console_init_r() -> console_search_dev() -> stdio_get_by_name() */ if (!strncmp(name, "vidconsole", 10) && !strchr(name, ',') && !stdio_probe_device(name, UCLASS_VIDEO, &sdev)) @@ -332,7 +332,7 @@ int stdio_add_devices(void) /* * If the console setting is not in environment variables then * console_init_r() will not be calling iomux_doenv() (which - * calls search_device()). So we will not dynamically add + * calls console_search_dev()). So we will not dynamically add * devices by calling stdio_probe_device(). * * So just probe all video devices now so that whichever one is diff --git a/disk/part_dos.c b/disk/part_dos.c index 04f5310..f431925 100644 --- a/disk/part_dos.c +++ b/disk/part_dos.c @@ -18,6 +18,8 @@ #include <command.h> #include <ide.h> #include <memalign.h> +#include <asm/unaligned.h> +#include <linux/compiler.h> #include "part_dos.h" #include <part.h> @@ -29,22 +31,11 @@ * to use large numbers of partitions */ #define MAX_EXT_PARTS 256 -/* Convert char[4] in little endian format to the host format integer - */ -static inline unsigned int le32_to_int(unsigned char *le32) -{ - return ((le32[3] << 24) + - (le32[2] << 16) + - (le32[1] << 8) + - le32[0] - ); -} - static inline int is_extended(int part_type) { - return (part_type == 0x5 || - part_type == 0xf || - part_type == 0x85); + return (part_type == DOS_PART_TYPE_EXTENDED || + part_type == DOS_PART_TYPE_EXTENDED_LBA || + part_type == DOS_PART_TYPE_EXTENDED_LINUX); } static int get_bootable(dos_partition_t *p) @@ -61,8 +52,8 @@ static int get_bootable(dos_partition_t *p) static void print_one_part(dos_partition_t *p, lbaint_t ext_part_sector, int part_num, unsigned int disksig) { - lbaint_t lba_start = ext_part_sector + le32_to_int (p->start4); - lbaint_t lba_size = le32_to_int (p->size4); + lbaint_t lba_start = ext_part_sector + get_unaligned_le32(p->start4); + lbaint_t lba_size = get_unaligned_le32(p->size4); printf("%3d\t%-10" LBAFlength "u\t%-10" LBAFlength "u\t%08x-%02x\t%02x%s%s\n", @@ -171,7 +162,7 @@ static void print_partition_extended(struct blk_desc *dev_desc, } if (!ext_part_sector) - disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]); + disksig = get_unaligned_le32(&buffer[DOS_PART_DISKSIG_OFFSET]); /* Print all primary/logical partitions */ pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET); @@ -198,7 +189,7 @@ static void print_partition_extended(struct blk_desc *dev_desc, for (i = 0; i < 4; i++, pt++) { if (is_extended (pt->sys_ind)) { lbaint_t lba_start - = le32_to_int (pt->start4) + relative; + = get_unaligned_le32 (pt->start4) + relative; print_partition_extended(dev_desc, lba_start, ext_part_sector == 0 ? lba_start : relative, @@ -244,7 +235,7 @@ static int part_get_info_extended(struct blk_desc *dev_desc, #if CONFIG_IS_ENABLED(PARTITION_UUIDS) if (!ext_part_sector) - disksig = le32_to_int(&buffer[DOS_PART_DISKSIG_OFFSET]); + disksig = get_unaligned_le32(&buffer[DOS_PART_DISKSIG_OFFSET]); #endif /* Print all primary/logical partitions */ @@ -260,8 +251,8 @@ static int part_get_info_extended(struct blk_desc *dev_desc, (ext_part_sector == 0 || is_extended(pt->sys_ind) == 0)) { info->blksz = DOS_PART_DEFAULT_SECTOR; info->start = (lbaint_t)(ext_part_sector + - le32_to_int(pt->start4)); - info->size = (lbaint_t)le32_to_int(pt->size4); + get_unaligned_le32(pt->start4)); + info->size = (lbaint_t)get_unaligned_le32(pt->size4); part_set_generic_name(dev_desc, part_num, (char *)info->name); /* sprintf(info->type, "%d, pt->sys_ind); */ @@ -286,7 +277,7 @@ static int part_get_info_extended(struct blk_desc *dev_desc, for (i = 0; i < 4; i++, pt++) { if (is_extended (pt->sys_ind)) { lbaint_t lba_start - = le32_to_int (pt->start4) + relative; + = get_unaligned_le32 (pt->start4) + relative; return part_get_info_extended(dev_desc, lba_start, ext_part_sector == 0 ? lba_start : relative, @@ -312,13 +303,13 @@ static int part_get_info_extended(struct blk_desc *dev_desc, return -1; } -void part_print_dos(struct blk_desc *dev_desc) +static void __maybe_unused part_print_dos(struct blk_desc *dev_desc) { printf("Part\tStart Sector\tNum Sectors\tUUID\t\tType\n"); print_partition_extended(dev_desc, 0, 0, 1, 0); } -int part_get_info_dos(struct blk_desc *dev_desc, int part, +static int __maybe_unused part_get_info_dos(struct blk_desc *dev_desc, int part, struct disk_partition *info) { return part_get_info_extended(dev_desc, 0, 0, 1, part, info, 0); @@ -329,7 +320,174 @@ int is_valid_dos_buf(void *buf) return test_block_type(buf) == DOS_MBR ? 0 : -1; } -int write_mbr_partition(struct blk_desc *dev_desc, void *buf) +#if CONFIG_IS_ENABLED(CMD_MBR) +static void lba_to_chs(lbaint_t lba, unsigned char *rc, unsigned char *rh, + unsigned char *rs) +{ + unsigned int c, h, s; + /* use fixed CHS geometry */ + unsigned int sectpertrack = 63; + unsigned int heads = 255; + + c = (lba + 1) / sectpertrack / heads; + h = (lba + 1) / sectpertrack - c * heads; + s = (lba + 1) - (c * heads + h) * sectpertrack; + + if (c > 1023) { + c = 1023; + h = 254; + s = 63; + } + + *rc = c & 0xff; + *rh = h; + *rs = s + ((c & 0x300) >> 2); +} + +static void mbr_fill_pt_entry(dos_partition_t *pt, lbaint_t start, + lbaint_t relative, lbaint_t size, uchar sys_ind, bool bootable) +{ + pt->boot_ind = bootable ? 0x80 : 0x00; + pt->sys_ind = sys_ind; + lba_to_chs(start, &pt->cyl, &pt->head, &pt->sector); + lba_to_chs(start + size - 1, &pt->end_cyl, &pt->end_head, &pt->end_sector); + put_unaligned_le32(relative, &pt->start4); + put_unaligned_le32(size, &pt->size4); +} + +int write_mbr_partitions(struct blk_desc *dev, + struct disk_partition *p, int count, unsigned int disksig) +{ + ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev->blksz); + lbaint_t ext_part_start = 0, ext_part_size = 0, ext_part_sect = 0; + dos_partition_t *pt; + int i; + + memset(buffer, 0, dev->blksz); + buffer[DOS_PART_MAGIC_OFFSET] = 0x55; + buffer[DOS_PART_MAGIC_OFFSET + 1] = 0xaa; + put_unaligned_le32(disksig, &buffer[DOS_PART_DISKSIG_OFFSET]); + pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET); + + /* create all primary partitions */ + for (i = 0; i < 4 && i < count; i++, pt++) { + mbr_fill_pt_entry(pt, p[i].start, p[i].start, p[i].size, + p[i].sys_ind, p[i].bootable); + if (is_extended(p[i].sys_ind)) { + ext_part_start = p[i].start; + ext_part_size = p[i].size; + ext_part_sect = p[i].start; + } + } + + if (i < count && !ext_part_start) { + printf("%s: extended partition is needed for more than 4 partitions\n", + __func__); + return -1; + } + + /* write MBR */ + if (blk_dwrite(dev, 0, 1, buffer) != 1) { + printf("%s: failed writing 'MBR' (1 blks at 0x0)\n", + __func__); + return -1; + } + + /* create extended volumes */ + for (; i < count; i++) { + lbaint_t next_ebr = 0; + + memset(buffer, 0, dev->blksz); + buffer[DOS_PART_MAGIC_OFFSET] = 0x55; + buffer[DOS_PART_MAGIC_OFFSET + 1] = 0xaa; + pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET); + + mbr_fill_pt_entry(pt, p[i].start, p[i].start - ext_part_sect, + p[i].size, p[i].sys_ind, p[i].bootable); + + if (i + 1 < count) { + pt++; + next_ebr = p[i].start + p[i].size; + mbr_fill_pt_entry(pt, next_ebr, + next_ebr - ext_part_start, + p[i+1].start + p[i+1].size - next_ebr, + DOS_PART_TYPE_EXTENDED, 0); + } + + /* write EBR */ + if (blk_dwrite(dev, ext_part_sect, 1, buffer) != 1) { + printf("%s: failed writing 'EBR' (1 blks at 0x%lx)\n", + __func__, ext_part_sect); + return -1; + } + ext_part_sect = next_ebr; + } + + return 0; +} + +int layout_mbr_partitions(struct disk_partition *p, int count, + lbaint_t total_sectors) +{ + struct disk_partition *ext = NULL; + int i, j; + lbaint_t ext_vol_start; + + /* calculate primary partitions start and size if needed */ + if (!p[0].start) + p[0].start = DOS_PART_DEFAULT_GAP; + for (i = 0; i < 4 && i < count; i++) { + if (!p[i].start) + p[i].start = p[i - 1].start + p[i - 1].size; + if (!p[i].size) { + lbaint_t end = total_sectors; + lbaint_t allocated = 0; + + for (j = i + 1; j < 4 && j < count; j++) { + if (p[j].start) { + end = p[j].start; + break; + } + allocated += p[j].size; + } + p[i].size = end - allocated - p[i].start; + } + if (p[i].sys_ind == 0x05) + ext = &p[i]; + } + + if (i >= 4 && !ext) { + printf("%s: extended partition is needed for more than 4 partitions\n", + __func__); + return -1; + } + + /* calculate extended volumes start and size if needed */ + ext_vol_start = ext->start; + for (i = 4; i < count; i++) { + if (!p[i].start) + p[i].start = ext_vol_start + DOS_PART_DEFAULT_GAP; + if (!p[i].size) { + lbaint_t end = ext->start + ext->size; + lbaint_t allocated = 0; + + for (j = i + 1; j < count; j++) { + if (p[j].start) { + end = p[j].start - DOS_PART_DEFAULT_GAP; + break; + } + allocated += p[j].size + DOS_PART_DEFAULT_GAP; + } + p[i].size = end - allocated - p[i].start; + } + ext_vol_start = p[i].start + p[i].size; + } + + return 0; +} +#endif + +int write_mbr_sector(struct blk_desc *dev_desc, void *buf) { if (is_valid_dos_buf(buf)) return -1; diff --git a/disk/part_dos.h b/disk/part_dos.h index 434b021..5055822 100644 --- a/disk/part_dos.h +++ b/disk/part_dos.h @@ -15,6 +15,11 @@ #define DOS_PBR_MEDIA_TYPE_OFFSET 0x15 #define DOS_MBR 0 #define DOS_PBR 1 +#define DOS_PART_TYPE_EXTENDED 0x05 +#define DOS_PART_TYPE_EXTENDED_LBA 0x0F +#define DOS_PART_TYPE_EXTENDED_LINUX 0x85 + +#define DOS_PART_DEFAULT_GAP 2048 typedef struct dos_partition { unsigned char boot_ind; /* 0x80 - active */ diff --git a/doc/usage/index.rst b/doc/usage/index.rst index fbb2c04..5869fba 100644 --- a/doc/usage/index.rst +++ b/doc/usage/index.rst @@ -14,4 +14,5 @@ Shell commands bootefi bootmenu button + mbr pstore diff --git a/doc/usage/mbr.rst b/doc/usage/mbr.rst new file mode 100644 index 0000000..bddf2f6 --- /dev/null +++ b/doc/usage/mbr.rst @@ -0,0 +1,94 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +mbr command +=========== + +Synopsis +-------- + +:: + + mbr verify [interface] [device no] [partition list] + mbr write [interface] [device no] [partition list] + +Description +----------- + +The mbr command lets users create or verify the MBR (Master Boot Record) +partition layout based on the provided text description. The partition +layout is alternatively read from the 'mbr_parts' environment variable. +This can be used in scripts to help system image flashing tools to ensure +proper partition layout. + +The syntax of the text description of the partition list is similar to +the one used by the 'gpt' command. + +Supported partition parameters are: + +* name (currently ignored) +* start (partition start offset in bytes) +* size (in bytes or '-' to expand it to the whole free area) +* bootable (boolean flag) +* id (MBR partition type) + +If one wants to create more than 4 partitions, an 'Extended' primary +partition (with 0x05 ID) has to be explicitly provided as a one of the +first 4 entries. + +Here is an example how to create a 6 partitions (3 on the 'extended +volume'), some of the predefined sizes: + +:: + + => setenv mbr_parts 'name=boot,start=4M,size=128M,bootable,id=0x0e; + name=rootfs,size=3072M,id=0x83; + name=system-data,size=512M,id=0x83; + name=[ext],size=-,id=0x05; + name=user,size=-,id=0x83; + name=modules,size=100M,id=0x83; + name=ramdisk,size=8M,id=0x83' + => mbr write mmc 0 + +To check if the layout on the MMC #0 storage device matches the provided +text description one has to issue following command (assuming that +mbr_parts environment variable is set): + +:: + + => mbr verify mmc 0 + +The verify sub-command is especially useful in the system update scripts: + +:: + + => if mbr verify mmc 0; then + echo MBR layout needs to be updated + ... + fi + +The 'mbr write' command returns 0 on success write or 1 on failure. + +The 'mbr verify' returns 0 if the layout matches the one on the storage +device or 1 if not. + +Configuration +------------- + +To use the mbr command you must specify CONFIG_CMD_MBR=y. + +Return value +------------ + +The variable *$?* takes the following values + ++---+------------------------------+ +| 0 | mbr write was succesful | ++---+------------------------------+ +| 1 | mbr write failed | ++---+------------------------------+ +| 0 | mbr verify was succesful | ++---+------------------------------+ +| 1 | mbr verify was not succesful | ++---+------------------------------+ +|-1 | invalid arguments | ++---+------------------------------+ diff --git a/drivers/fastboot/fb_mmc.c b/drivers/fastboot/fb_mmc.c index ae8e8e5..4e26cef 100644 --- a/drivers/fastboot/fb_mmc.c +++ b/drivers/fastboot/fb_mmc.c @@ -508,7 +508,7 @@ void fastboot_mmc_flash_write(const char *cmd, void *download_buffer, fastboot_fail("invalid MBR partition", response); return; } - if (write_mbr_partition(dev_desc, download_buffer)) { + if (write_mbr_sector(dev_desc, download_buffer)) { printf("%s: writing MBR partition failed\n", __func__); fastboot_fail("writing MBR partition failed", response); diff --git a/drivers/net/phy/miiphybb.c b/drivers/net/phy/miiphybb.c index ba97a54..59a32c4 100644 --- a/drivers/net/phy/miiphybb.c +++ b/drivers/net/phy/miiphybb.c @@ -105,7 +105,7 @@ int bb_miiphy_buses_num = sizeof(bb_miiphy_buses) / sizeof(bb_miiphy_buses[0]); #endif -void bb_miiphy_init(void) +int bb_miiphy_init(void) { int i; @@ -124,6 +124,8 @@ void bb_miiphy_init(void) bb_miiphy_buses[i].init(&bb_miiphy_buses[i]); } } + + return 0; } static inline struct bb_miiphy_bus *bb_miiphy_getbus(const char *devname) diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index 4cdd06b..ba65f47 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -1842,7 +1842,7 @@ U_BOOT_DRIVER(pci_generic_drv) = { .of_match = pci_generic_ids, }; -void pci_init(void) +int pci_init(void) { struct udevice *bus; @@ -1855,4 +1855,6 @@ void pci_init(void) uclass_next_device_check(&bus)) { ; } + + return 0; } diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 664e837..a7453e5 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -454,16 +454,18 @@ int pci_hose_scan(struct pci_controller *hose) return pci_hose_scan_bus(hose, hose->current_busno); } -void pci_init(void) +int pci_init(void) { hose_head = NULL; /* allow env to disable pci init/enum */ if (env_get("pcidisable") != NULL) - return; + return 0; /* now call board specific pci_init()... */ pci_init_board(); + + return 0; } /* Returns the address of the requested capability structure within the diff --git a/drivers/pci_endpoint/pci_ep-uclass.c b/drivers/pci_endpoint/pci_ep-uclass.c index 38a5f08..aa89701 100644 --- a/drivers/pci_endpoint/pci_ep-uclass.c +++ b/drivers/pci_endpoint/pci_ep-uclass.c @@ -210,7 +210,7 @@ UCLASS_DRIVER(pci_ep) = { .flags = DM_UC_FLAG_SEQ_ALIAS, }; -void pci_ep_init(void) +int pci_ep_init(void) { struct udevice *dev; @@ -219,4 +219,6 @@ void pci_ep_init(void) uclass_next_device_check(&dev)) { ; } + + return 0; } diff --git a/drivers/xen/hypervisor.c b/drivers/xen/hypervisor.c index 178c206..2560894 100644 --- a/drivers/xen/hypervisor.c +++ b/drivers/xen/hypervisor.c @@ -232,7 +232,7 @@ void clear_evtchn(uint32_t port) synch_clear_bit(port, &s->evtchn_pending[0]); } -void xen_init(void) +int xen_init(void) { debug("%s\n", __func__); @@ -240,6 +240,8 @@ void xen_init(void) init_events(); init_xenbus(); init_gnttab(); + + return 0; } void xen_fini(void) diff --git a/include/api.h b/include/api.h index 84d81dc..83412a7 100644 --- a/include/api.h +++ b/include/api.h @@ -7,6 +7,14 @@ #ifndef __API_H #define __API_H -void api_init(void); +/** + * api_init() - Initialize API for external applications + * + * Initialize API for external (standalone) applications running on top of + * U-Boot. It is called during the generic post-relocation init sequence. + * + * Return: 0 if OK + */ +int api_init(void); #endif diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h index efa09a1..19f7039 100644 --- a/include/asm-generic/global_data.h +++ b/include/asm-generic/global_data.h @@ -412,12 +412,12 @@ struct global_data { * @new_bloblist: relocated blob list information */ struct bloblist_hdr *new_bloblist; -# ifdef CONFIG_SPL +#endif +#if CONFIG_IS_ENABLED(HANDOFF) /** * @spl_handoff: SPL hand-off information */ struct spl_handoff *spl_handoff; -# endif #endif #if defined(CONFIG_TRANSLATION_OFFSET) /** diff --git a/include/console.h b/include/console.h index 432f892..7e628c0 100644 --- a/include/console.h +++ b/include/console.h @@ -8,6 +8,7 @@ #define __CONSOLE_H #include <stdbool.h> +#include <stdio_dev.h> #include <linux/errno.h> extern char console_buffer[]; @@ -15,6 +16,8 @@ extern char console_buffer[]; /* common/console.c */ int console_init_f(void); /* Before relocation; uses the serial stuff */ int console_init_r(void); /* After relocation; uses the console stuff */ +int console_start(int file, struct stdio_dev *sdev); /* Start a console device */ +void console_stop(int file, struct stdio_dev *sdev); /* Stop a console device */ int console_assign(int file, const char *devname); /* Assign the console */ int ctrlc(void); int had_ctrlc(void); /* have we had a Control-C since last clear? */ @@ -22,6 +25,18 @@ void clear_ctrlc(void); /* clear the Control-C condition */ int disable_ctrlc(int); /* 1 to disable, 0 to enable Control-C detect */ int confirm_yesno(void); /* 1 if input is "y", "Y", "yes" or "YES" */ +/** + * console_search_dev() - search for stdio device with given flags and name + * @flags: device flags as per input/output/system + * @name: device name + * + * Iterates over registered STDIO devices and match them with given @flags + * and @name. + * + * @return pointer to the &struct stdio_dev if found, or NULL otherwise + */ +struct stdio_dev *console_search_dev(int flags, const char *name); + #ifdef CONFIG_CONSOLE_RECORD /** * console_record_init() - set up the console recording buffers diff --git a/include/exports.h b/include/exports.h index b300554..faf0f59 100644 --- a/include/exports.h +++ b/include/exports.h @@ -15,8 +15,14 @@ struct cmd_tbl; struct spi_slave; -/* Set up the jump table for use by the API */ -void jumptable_init(void); +/** + * jumptable_init() - Set up the jump table for use by the API + * + * It is called during the generic post-relocation init sequence. + * + * Return: 0 if OK + */ +int jumptable_init(void); /* These are declarations of exported functions available in C code */ unsigned long get_version(void); diff --git a/include/init.h b/include/init.h index 0f48ccb..980be27 100644 --- a/include/init.h +++ b/include/init.h @@ -164,6 +164,41 @@ int arch_setup_bdinfo(void); int setup_bdinfo(void); /** + * cpu_secondary_init_r() - CPU-specific secondary initialization + * + * After non-volatile devices, environment and cpu code are setup, have + * another round to deal with any initialization that might require + * full access to the environment or loading of some image (firmware) + * from a non-volatile device. + * + * It is called during the generic post-relocation init sequence. + * + * Return: 0 if OK + */ +int cpu_secondary_init_r(void); + +/** + * pci_ep_init() - Initialize pci endpoint devices + * + * It is called during the generic post-relocation init sequence. + * + * Return: 0 if OK + */ +int pci_ep_init(void); + +/** + * pci_init() - Enumerate pci devices + * + * It is called during the generic post-relocation init sequence to enumerate + * pci buses. This is needed, for instance, in the case of DM PCI-based + * Ethernet devices, which will not be detected without having the enumeration + * performed earlier. + * + * Return: 0 if OK + */ +int pci_init(void); + +/** * init_cache_f_r() - Turn on the cache in preparation for relocation * * Return: 0 if OK, -ve on error @@ -234,8 +269,6 @@ int mac_read_from_eeprom(void); int set_cpu_clk_info(void); int update_flash_size(int flash_size); int arch_early_init_r(void); -void pci_init(void); -void pci_ep_init(void); int misc_init_r(void); #if defined(CONFIG_VID) int init_func_vid(void); @@ -267,7 +300,15 @@ int board_early_init_r(void); /* TODO(sjg@chromium.org): Drop this when DM_PCI migration is completed */ void pci_init_board(void); -void trap_init(unsigned long reloc_addr); +/** + * arch_initr_trap() - Init traps + * + * Arch specific routine for initializing traps. It is called during the + * generic board init sequence, after relocation. + * + * Return: 0 if OK + */ +int arch_initr_trap(void); /** * main_loop() - Enter the main loop of U-Boot diff --git a/include/iomux.h b/include/iomux.h index e6e1097..da7ff69 100644 --- a/include/iomux.h +++ b/include/iomux.h @@ -26,6 +26,5 @@ extern int cd_count[MAX_FILES]; int iomux_doenv(const int, const char *); void iomux_printdevs(const int); -struct stdio_dev *search_device(int, const char *); #endif /* _IO_MUX_H */ diff --git a/include/miiphy.h b/include/miiphy.h index 61c136b..8b77bac 100644 --- a/include/miiphy.h +++ b/include/miiphy.h @@ -81,7 +81,15 @@ struct bb_miiphy_bus { extern struct bb_miiphy_bus bb_miiphy_buses[]; extern int bb_miiphy_buses_num; -void bb_miiphy_init(void); +/** + * bb_miiphy_init() - Initialize bit-banged MII bus driver + * + * It is called during the generic post-relocation init sequence. + * + * Return: 0 if OK + */ +int bb_miiphy_init(void); + int bb_miiphy_read(struct mii_dev *miidev, int addr, int devad, int reg); int bb_miiphy_write(struct mii_dev *miidev, int addr, int devad, int reg, u16 value); diff --git a/include/part.h b/include/part.h index 55be724..fac3636 100644 --- a/include/part.h +++ b/include/part.h @@ -465,14 +465,19 @@ int get_disk_guid(struct blk_desc *dev_desc, char *guid); int is_valid_dos_buf(void *buf); /** - * write_mbr_partition() - write DOS MBR + * write_mbr_sector() - write DOS MBR * * @param dev_desc - block device descriptor * @param buf - buffer which contains the MBR * * @return - '0' on success, otherwise error */ -int write_mbr_partition(struct blk_desc *dev_desc, void *buf); +int write_mbr_sector(struct blk_desc *dev_desc, void *buf); + +int write_mbr_partitions(struct blk_desc *dev, + struct disk_partition *p, int count, unsigned int disksig); +int layout_mbr_partitions(struct disk_partition *p, int count, + lbaint_t total_sectors); #endif diff --git a/include/post.h b/include/post.h index eb218ac..5695e2b 100644 --- a/include/post.h +++ b/include/post.h @@ -107,7 +107,6 @@ int post_init_f (void); void post_bootmode_init (void); int post_bootmode_get (unsigned int * last_test); void post_bootmode_clear (void); -void post_output_backlog ( void ); int post_run (char *name, int flags); int post_info (char *name); int post_log (char *format, ...); @@ -116,6 +115,16 @@ void post_reloc (void); #endif unsigned long post_time_ms (unsigned long base); +/** + * post_output_backlog() - Print POST results + * + * Print POST results during the generic board init sequence, after + * relocation. + * + * Return: 0 if OK + */ +int post_output_backlog(void); + extern struct post_test post_list[]; extern unsigned int post_list_size; extern int post_hotkeys_pressed(void); diff --git a/include/xen.h b/include/xen.h index a952a2c..8681321 100644 --- a/include/xen.h +++ b/include/xen.h @@ -11,7 +11,7 @@ * Map Xen memory pages, initialize event handler and xenbus, * setup the grant table. */ -void xen_init(void); +int xen_init(void); /** * xen_fini() - Board cleanup before Linux kernel start diff --git a/post/post.c b/post/post.c index 0f1fe8d..7d6a647 100644 --- a/post/post.c +++ b/post/post.c @@ -128,7 +128,7 @@ static void post_log_mark_succ(unsigned long testid) } /* ... and the messages are output once we are relocated */ -void post_output_backlog(void) +int post_output_backlog(void) { int j; @@ -143,6 +143,8 @@ void post_output_backlog(void) } } } + + return 0; } static void post_bootmode_test_on(unsigned int last_test) diff --git a/test/log/log_test.c b/test/log/log_test.c index ea4fc6b..82234a6 100644 --- a/test/log/log_test.c +++ b/test/log/log_test.c @@ -15,29 +15,44 @@ DECLARE_GLOBAL_DATA_PTR; /* emit some sample log records in different ways, for testing */ -static int do_log_run(int cat, const char *file) +static int do_log_run(struct unit_test_state *uts, int cat, const char *file) { int i; + int ret, expected_ret; + + if (gd->flags & GD_FLG_LOG_READY) + expected_ret = 0; + else + expected_ret = -ENOSYS; gd->log_fmt = LOGF_TEST; debug("debug\n"); for (i = LOGL_FIRST; i < LOGL_COUNT; i++) { log(cat, i, "log %d\n", i); - _log(log_uc_cat(cat), i, file, 100 + i, "func", "_log %d\n", - i); + ret = _log(log_uc_cat(cat), i, file, 100 + i, + "func", "_log %d\n", i); + ut_asserteq(ret, expected_ret); + } + /* test with LOGL_COUNT flag */ + for (i = LOGL_FIRST; i < LOGL_COUNT; i++) { + ret = _log(log_uc_cat(cat), i | LOGL_FORCE_DEBUG, file, 100 + i, + "func", "_log force %d\n", i); + ut_asserteq(ret, expected_ret); } gd->log_fmt = log_get_default_format(); return 0; } -#define log_run_cat(cat) do_log_run(cat, "file") -#define log_run_file(file) do_log_run(UCLASS_SPI, file) -#define log_run() do_log_run(UCLASS_SPI, "file") +#define log_run_cat(cat) do_log_run(uts, cat, "file") +#define log_run_file(file) do_log_run(uts, UCLASS_SPI, file) +#define log_run() do_log_run(uts, UCLASS_SPI, "file") #define EXPECT_LOG BIT(0) #define EXPECT_DIRECT BIT(1) #define EXPECT_EXTRA BIT(2) +#define EXPECT_FORCE BIT(3) +#define EXPECT_DEBUG BIT(4) static int do_check_log_entries(struct unit_test_state *uts, int flags, int min, int max) @@ -49,11 +64,22 @@ static int do_check_log_entries(struct unit_test_state *uts, int flags, int min, ut_assert_nextline("do_log_run() log %d", i); if (flags & EXPECT_DIRECT) ut_assert_nextline("func() _log %d", i); + if (flags & EXPECT_DEBUG) { + ut_assert_nextline("log %d", i); + ut_assert_nextline("_log %d", i); + } } if (flags & EXPECT_EXTRA) for (; i <= LOGL_MAX ; i++) ut_assert_nextline("func() _log %d", i); + for (i = LOGL_FIRST; i < LOGL_COUNT; i++) { + if (flags & EXPECT_FORCE) + ut_assert_nextline("func() _log force %d", i); + if (flags & EXPECT_DEBUG) + ut_assert_nextline("_log force %d", i); + } + ut_assert_console_end(); return 0; } @@ -66,10 +92,10 @@ static int do_check_log_entries(struct unit_test_state *uts, int flags, int min, #define check_log_entries_flags(flags) \ check_log_entries_flags_levels(flags, LOGL_FIRST, _LOG_MAX_LEVEL) -#define check_log_entries() check_log_entries_flags(EXPECT_LOG | EXPECT_DIRECT) +#define check_log_entries() check_log_entries_flags(EXPECT_LOG | EXPECT_DIRECT | EXPECT_FORCE) #define check_log_entries_extra() \ - check_log_entries_flags(EXPECT_LOG | EXPECT_DIRECT | EXPECT_EXTRA) -#define check_log_entries_none() check_log_entries_flags(0) + check_log_entries_flags(EXPECT_LOG | EXPECT_DIRECT | EXPECT_EXTRA | EXPECT_FORCE) +#define check_log_entries_none() check_log_entries_flags(EXPECT_FORCE) /* Check a category filter using the first category */ int log_test_cat_allow(struct unit_test_state *uts) @@ -126,7 +152,7 @@ int log_test_file(struct unit_test_state *uts) ut_assertok(console_record_reset_enable()); log_run_file("file"); - check_log_entries_flags(EXPECT_DIRECT | EXPECT_EXTRA); + check_log_entries_flags(EXPECT_DIRECT | EXPECT_EXTRA | EXPECT_FORCE); ut_assertok(console_record_reset_enable()); log_run_file("file2"); @@ -147,7 +173,7 @@ int log_test_file_second(struct unit_test_state *uts) ut_assertok(console_record_reset_enable()); log_run_file("file2"); - check_log_entries_flags(EXPECT_DIRECT | EXPECT_EXTRA); + check_log_entries_flags(EXPECT_DIRECT | EXPECT_EXTRA | EXPECT_FORCE); ut_assertok(log_remove_filter("console", filt)); return 0; @@ -182,8 +208,8 @@ int log_test_level(struct unit_test_state *uts) ut_assertok(console_record_reset_enable()); log_run(); - check_log_entries_flags_levels(EXPECT_LOG | EXPECT_DIRECT, LOGL_FIRST, - LOGL_WARNING); + check_log_entries_flags_levels(EXPECT_LOG | EXPECT_DIRECT | EXPECT_FORCE, + LOGL_FIRST, LOGL_WARNING); ut_assertok(log_remove_filter("console", filt)); return 0; @@ -351,7 +377,7 @@ int log_test_level_deny(struct unit_test_state *uts) ut_assertok(console_record_reset_enable()); log_run(); - check_log_entries_flags_levels(EXPECT_LOG | EXPECT_DIRECT, + check_log_entries_flags_levels(EXPECT_LOG | EXPECT_DIRECT | EXPECT_FORCE, LOGL_WARNING + 1, _LOG_MAX_LEVEL); ut_assertok(log_remove_filter("console", filt1)); @@ -374,7 +400,7 @@ int log_test_min(struct unit_test_state *uts) ut_assertok(console_record_reset_enable()); log_run(); - check_log_entries_flags_levels(EXPECT_LOG | EXPECT_DIRECT, + check_log_entries_flags_levels(EXPECT_LOG | EXPECT_DIRECT | EXPECT_FORCE, LOGL_WARNING, LOGL_INFO - 1); ut_assertok(log_remove_filter("console", filt1)); @@ -382,3 +408,23 @@ int log_test_min(struct unit_test_state *uts) return 0; } LOG_TEST_FLAGS(log_test_min, UT_TESTF_CONSOLE_REC); + +/* Check dropped traces */ +int log_test_dropped(struct unit_test_state *uts) +{ + /* force LOG not ready */ + gd->flags &= ~(GD_FLG_LOG_READY); + gd->log_drop_count = 0; + + ut_assertok(console_record_reset_enable()); + log_run(); + + ut_asserteq(gd->log_drop_count, 3 * (LOGL_COUNT - LOGL_FIRST - 1)); + check_log_entries_flags_levels(EXPECT_DEBUG, LOGL_FIRST, CONFIG_LOG_DEFAULT_LEVEL); + + gd->flags |= GD_FLG_LOG_READY; + gd->log_drop_count = 0; + + return 0; +} +LOG_TEST_FLAGS(log_test_dropped, UT_TESTF_CONSOLE_REC); diff --git a/test/py/tests/test_log.py b/test/py/tests/test_log.py index 387b392..f889120 100644 --- a/test/py/tests/test_log.py +++ b/test/py/tests/test_log.py @@ -36,3 +36,14 @@ def test_log_format(u_boot_console): run_with_format('FLfm', 'file.c:123-func() msg') run_with_format('lm', 'NOTICE. msg') run_with_format('m', 'msg') + +@pytest.mark.buildconfigspec('debug_uart') +@pytest.mark.boardspec('sandbox') +def test_log_dropped(u_boot_console): + """Test dropped 'log' message when debug_uart is activated""" + + cons = u_boot_console + cons.restart_uboot() + output = cons.get_spawn_output().replace('\r', '') + assert 'sandbox: starting...' in output + assert (not 'debug: main' in output) |