diff options
| -rw-r--r-- | hw/mips_malta.c | 45 | ||||
| -rw-r--r-- | hw/mips_mipssim.c | 33 | ||||
| -rw-r--r-- | hw/mips_r4k.c | 48 | ||||
| -rw-r--r-- | target-mips/cpu.h | 5 |
4 files changed, 72 insertions, 59 deletions
diff --git a/hw/mips_malta.c b/hw/mips_malta.c index 9d099a0..3b9170a 100644 --- a/hw/mips_malta.c +++ b/hw/mips_malta.c @@ -59,6 +59,13 @@ typedef struct { static PITState *pit; +static struct _loaderparams { + int ram_size; + const char *kernel_filename; + const char *kernel_cmdline; + const char *initrd_filename; +} loaderparams; + /* Malta FPGA */ static void malta_fpga_update_display(void *opaque) { @@ -534,8 +541,8 @@ static void write_bootloader (CPUState *env, unsigned long bios_offset, int64_t stl_raw(p++, 0x34a50000 | (ENVP_ADDR & 0xffff)); /* ori a1, a1, low(ENVP_ADDR) */ stl_raw(p++, 0x3c060000 | (((ENVP_ADDR + 8) >> 16) & 0xffff)); /* lui a2, high(ENVP_ADDR + 8) */ stl_raw(p++, 0x34c60000 | ((ENVP_ADDR + 8) & 0xffff)); /* ori a2, a2, low(ENVP_ADDR + 8) */ - stl_raw(p++, 0x3c070000 | (env->ram_size >> 16)); /* lui a3, high(env->ram_size) */ - stl_raw(p++, 0x34e70000 | (env->ram_size & 0xffff)); /* ori a3, a3, low(env->ram_size) */ + stl_raw(p++, 0x3c070000 | (loaderparams.ram_size >> 16)); /* lui a3, high(ram_size) */ + stl_raw(p++, 0x34e70000 | (loaderparams.ram_size & 0xffff)); /* ori a3, a3, low(ram_size) */ /* Load BAR registers as done by YAMON */ stl_raw(p++, 0x3c09b400); /* lui t1, 0xb400 */ @@ -675,48 +682,48 @@ static int64_t load_kernel (CPUState *env) long initrd_size; ram_addr_t initrd_offset; - if (load_elf(env->kernel_filename, VIRT_TO_PHYS_ADDEND, + if (load_elf(loaderparams.kernel_filename, VIRT_TO_PHYS_ADDEND, &kernel_entry, &kernel_low, &kernel_high) < 0) { fprintf(stderr, "qemu: could not load kernel '%s'\n", - env->kernel_filename); + loaderparams.kernel_filename); exit(1); } /* load initrd */ initrd_size = 0; initrd_offset = 0; - if (env->initrd_filename) { - initrd_size = get_image_size (env->initrd_filename); + if (loaderparams.initrd_filename) { + initrd_size = get_image_size (loaderparams.initrd_filename); if (initrd_size > 0) { initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK; - if (initrd_offset + initrd_size > env->ram_size) { + if (initrd_offset + initrd_size > ram_size) { fprintf(stderr, "qemu: memory too small for initial ram disk '%s'\n", - env->initrd_filename); + loaderparams.initrd_filename); exit(1); } - initrd_size = load_image(env->initrd_filename, + initrd_size = load_image(loaderparams.initrd_filename, phys_ram_base + initrd_offset); } if (initrd_size == (target_ulong) -1) { fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", - env->initrd_filename); + loaderparams.initrd_filename); exit(1); } } /* Store command line. */ - prom_set(index++, env->kernel_filename); + prom_set(index++, loaderparams.kernel_filename); if (initrd_size > 0) prom_set(index++, "rd_start=0x" TARGET_FMT_lx " rd_size=%li %s", PHYS_TO_VIRT(initrd_offset), initrd_size, - env->kernel_cmdline); + loaderparams.kernel_cmdline); else - prom_set(index++, env->kernel_cmdline); + prom_set(index++, loaderparams.kernel_cmdline); /* Setup minimum environment variables */ prom_set(index++, "memsize"); - prom_set(index++, "%i", env->ram_size); + prom_set(index++, "%i", loaderparams.ram_size); prom_set(index++, "modetty0"); prom_set(index++, "38400n8r"); prom_set(index++, NULL); @@ -733,7 +740,7 @@ static void main_cpu_reset(void *opaque) /* The bootload does not need to be rewritten as it is located in a read only location. The kernel location and the arguments table location does not change. */ - if (env->kernel_filename) { + if (loaderparams.kernel_filename) { env->CP0_Status &= ~((1 << CP0St_BEV) | (1 << CP0St_ERL)); load_kernel (env); } @@ -818,10 +825,10 @@ void mips_malta_init (int ram_size, int vga_ram_size, const char *boot_device, /* If a kernel image has been specified, write a small bootloader to the flash location. */ if (kernel_filename) { - env->ram_size = ram_size; - env->kernel_filename = kernel_filename; - env->kernel_cmdline = kernel_cmdline; - env->initrd_filename = initrd_filename; + loaderparams.ram_size = ram_size; + loaderparams.kernel_filename = kernel_filename; + loaderparams.kernel_cmdline = kernel_cmdline; + loaderparams.initrd_filename = initrd_filename; kernel_entry = load_kernel(env); env->CP0_Status &= ~((1 << CP0St_BEV) | (1 << CP0St_ERL)); write_bootloader(env, bios_offset, kernel_entry); diff --git a/hw/mips_mipssim.c b/hw/mips_mipssim.c index 11bad59..08e4b0b 100644 --- a/hw/mips_mipssim.c +++ b/hw/mips_mipssim.c @@ -40,6 +40,13 @@ #define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000)) +static struct _loaderparams { + int ram_size; + const char *kernel_filename; + const char *kernel_cmdline; + const char *initrd_filename; +} loaderparams; + static void load_kernel (CPUState *env) { int64_t entry, kernel_low, kernel_high; @@ -47,7 +54,7 @@ static void load_kernel (CPUState *env) long initrd_size; ram_addr_t initrd_offset; - kernel_size = load_elf(env->kernel_filename, VIRT_TO_PHYS_ADDEND, + kernel_size = load_elf(loaderparams.kernel_filename, VIRT_TO_PHYS_ADDEND, &entry, &kernel_low, &kernel_high); if (kernel_size >= 0) { if ((entry & ~0x7fffffffULL) == 0x80000000) @@ -55,29 +62,29 @@ static void load_kernel (CPUState *env) env->PC[env->current_tc] = entry; } else { fprintf(stderr, "qemu: could not load kernel '%s'\n", - env->kernel_filename); + loaderparams.kernel_filename); exit(1); } /* load initrd */ initrd_size = 0; initrd_offset = 0; - if (env->initrd_filename) { - initrd_size = get_image_size (env->initrd_filename); + if (loaderparams.initrd_filename) { + initrd_size = get_image_size (loaderparams.initrd_filename); if (initrd_size > 0) { initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK; - if (initrd_offset + initrd_size > env->ram_size) { + if (initrd_offset + initrd_size > loaderparams.ram_size) { fprintf(stderr, "qemu: memory too small for initial ram disk '%s'\n", - env->initrd_filename); + loaderparams.initrd_filename); exit(1); } - initrd_size = load_image(env->initrd_filename, + initrd_size = load_image(loaderparams.initrd_filename, phys_ram_base + initrd_offset); } if (initrd_size == (target_ulong) -1) { fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", - env->initrd_filename); + loaderparams.initrd_filename); exit(1); } } @@ -89,7 +96,7 @@ static void main_cpu_reset(void *opaque) cpu_reset(env); cpu_mips_register(env, NULL); - if (env->kernel_filename) + if (loaderparams.kernel_filename) load_kernel (env); } @@ -144,10 +151,10 @@ mips_mipssim_init (int ram_size, int vga_ram_size, const char *boot_device, } if (kernel_filename) { - env->ram_size = ram_size; - env->kernel_filename = kernel_filename; - env->kernel_cmdline = kernel_cmdline; - env->initrd_filename = initrd_filename; + loaderparams.ram_size = ram_size; + loaderparams.kernel_filename = kernel_filename; + loaderparams.kernel_cmdline = kernel_cmdline; + loaderparams.initrd_filename = initrd_filename; load_kernel(env); } diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c index dfcf867..e4817e6 100644 --- a/hw/mips_r4k.c +++ b/hw/mips_r4k.c @@ -36,6 +36,13 @@ static PITState *pit; /* PIT i8254 */ /*i8254 PIT is attached to the IRQ0 at PIC i8259 */ +static struct _loaderparams { + int ram_size; + const char *kernel_filename; + const char *kernel_cmdline; + const char *initrd_filename; +} loaderparams; + static void mips_qemu_writel (void *opaque, target_phys_addr_t addr, uint32_t val) { @@ -64,16 +71,13 @@ static CPUReadMemoryFunc *mips_qemu_read[] = { static int mips_qemu_iomemtype = 0; -static void load_kernel (CPUState *env, int ram_size, - const char *kernel_filename, - const char *kernel_cmdline, - const char *initrd_filename) +static void load_kernel (CPUState *env) { int64_t entry, kernel_low, kernel_high; long kernel_size, initrd_size; ram_addr_t initrd_offset; - kernel_size = load_elf(kernel_filename, VIRT_TO_PHYS_ADDEND, + kernel_size = load_elf(loaderparams.kernel_filename, VIRT_TO_PHYS_ADDEND, &entry, &kernel_low, &kernel_high); if (kernel_size >= 0) { if ((entry & ~0x7fffffffULL) == 0x80000000) @@ -81,29 +85,29 @@ static void load_kernel (CPUState *env, int ram_size, env->PC[env->current_tc] = entry; } else { fprintf(stderr, "qemu: could not load kernel '%s'\n", - kernel_filename); + loaderparams.kernel_filename); exit(1); } /* load initrd */ initrd_size = 0; initrd_offset = 0; - if (initrd_filename) { - initrd_size = get_image_size (initrd_filename); + if (loaderparams.initrd_filename) { + initrd_size = get_image_size (loaderparams.initrd_filename); if (initrd_size > 0) { initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK; if (initrd_offset + initrd_size > ram_size) { fprintf(stderr, "qemu: memory too small for initial ram disk '%s'\n", - initrd_filename); + loaderparams.initrd_filename); exit(1); } - initrd_size = load_image(initrd_filename, + initrd_size = load_image(loaderparams.initrd_filename, phys_ram_base + initrd_offset); } if (initrd_size == (target_ulong) -1) { fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", - initrd_filename); + loaderparams.initrd_filename); exit(1); } } @@ -115,10 +119,12 @@ static void load_kernel (CPUState *env, int ram_size, "rd_start=0x" TARGET_FMT_lx " rd_size=%li ", PHYS_TO_VIRT((uint32_t)initrd_offset), initrd_size); - strcpy (phys_ram_base + (16 << 20) - 256 + ret, kernel_cmdline); + strcpy (phys_ram_base + (16 << 20) - 256 + ret, + loaderparams.kernel_cmdline); } else { - strcpy (phys_ram_base + (16 << 20) - 256, kernel_cmdline); + strcpy (phys_ram_base + (16 << 20) - 256, + loaderparams.kernel_cmdline); } *(int32_t *)(phys_ram_base + (16 << 20) - 260) = tswap32 (0x12345678); @@ -131,9 +137,8 @@ static void main_cpu_reset(void *opaque) cpu_reset(env); cpu_mips_register(env, NULL); - if (env->kernel_filename) - load_kernel (env, env->ram_size, env->kernel_filename, - env->kernel_cmdline, env->initrd_filename); + if (loaderparams.kernel_filename) + load_kernel (env); } static @@ -194,12 +199,11 @@ void mips_r4k_init (int ram_size, int vga_ram_size, const char *boot_device, } if (kernel_filename) { - load_kernel (env, ram_size, kernel_filename, kernel_cmdline, - initrd_filename); - env->ram_size = ram_size; - env->kernel_filename = kernel_filename; - env->kernel_cmdline = kernel_cmdline; - env->initrd_filename = initrd_filename; + loaderparams.ram_size = ram_size; + loaderparams.kernel_filename = kernel_filename; + loaderparams.kernel_cmdline = kernel_cmdline; + loaderparams.initrd_filename = initrd_filename; + load_kernel (env); } /* Init CPU internal devices */ diff --git a/target-mips/cpu.h b/target-mips/cpu.h index 5fbb90e..1c850c7 100644 --- a/target-mips/cpu.h +++ b/target-mips/cpu.h @@ -456,11 +456,6 @@ struct CPUMIPSState { CPU_COMMON - int ram_size; - const char *kernel_filename; - const char *kernel_cmdline; - const char *initrd_filename; - mips_def_t *cpu_model; #ifndef CONFIG_USER_ONLY void *irq[8]; |