diff options
Diffstat (limited to 'lib/efi_loader/efi_runtime.c')
| -rw-r--r-- | lib/efi_loader/efi_runtime.c | 83 |
1 files changed, 54 insertions, 29 deletions
diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c index 4874eb6..06958f2 100644 --- a/lib/efi_loader/efi_runtime.c +++ b/lib/efi_loader/efi_runtime.c @@ -8,6 +8,7 @@ #include <common.h> #include <command.h> #include <dm.h> +#include <elf.h> #include <efi_loader.h> #include <rtc.h> @@ -32,19 +33,17 @@ static efi_status_t __efi_runtime EFIAPI efi_invalid_parameter(void); * TODO(sjg@chromium.org): These defines and structs should come from the elf * header for each arch (or a generic header) rather than being repeated here. */ -#if defined(CONFIG_ARM64) -#define R_RELATIVE 1027 +#if defined(__aarch64__) +#define R_RELATIVE R_AARCH64_RELATIVE #define R_MASK 0xffffffffULL #define IS_RELA 1 -#elif defined(CONFIG_ARM) -#define R_RELATIVE 23 +#elif defined(__arm__) +#define R_RELATIVE R_ARM_RELATIVE #define R_MASK 0xffULL -#elif defined(CONFIG_X86) -#include <asm/elf.h> +#elif defined(__x86_64__) || defined(__i386__) #define R_RELATIVE R_386_RELATIVE #define R_MASK 0xffULL -#elif defined(CONFIG_RISCV) -#include <elf.h> +#elif defined(__riscv) #define R_RELATIVE R_RISCV_RELATIVE #define R_MASK 0xffULL #define IS_RELA 1 @@ -55,12 +54,14 @@ struct dyn_sym { u32 foo2; u32 foo3; }; -#ifdef CONFIG_CPU_RISCV_32 +#if (__riscv_xlen == 32) #define R_ABSOLUTE R_RISCV_32 #define SYM_INDEX 8 -#else +#elif (__riscv_xlen == 64) #define R_ABSOLUTE R_RISCV_64 #define SYM_INDEX 32 +#else +#error unknown riscv target #endif #else #error Need to add relocation awareness @@ -116,24 +117,41 @@ static void EFIAPI efi_reset_system_boottime( while (1) { } } +/** + * efi_get_time_boottime - get current time + * + * This function implements the GetTime runtime service. + * See the Unified Extensible Firmware Interface (UEFI) specification + * for details. + * + * @time: pointer to structure to receive current time + * @capabilities: pointer to structure to receive RTC properties + * Return Value: status code + */ static efi_status_t EFIAPI efi_get_time_boottime( struct efi_time *time, struct efi_time_cap *capabilities) { -#if defined(CONFIG_CMD_DATE) && defined(CONFIG_DM_RTC) - struct rtc_time tm; +#ifdef CONFIG_DM_RTC + efi_status_t ret = EFI_SUCCESS; int r; + struct rtc_time tm; struct udevice *dev; EFI_ENTRY("%p %p", time, capabilities); - r = uclass_get_device(UCLASS_RTC, 0, &dev); - if (r) - return EFI_EXIT(EFI_DEVICE_ERROR); + if (!time) { + ret = EFI_INVALID_PARAMETER; + goto out; + } - r = dm_rtc_get(dev, &tm); - if (r) - return EFI_EXIT(EFI_DEVICE_ERROR); + r = uclass_get_device(UCLASS_RTC, 0, &dev); + if (!r) + r = dm_rtc_get(dev, &tm); + if (r) { + ret = EFI_DEVICE_ERROR; + goto out; + } memset(time, 0, sizeof(*time)); time->year = tm.tm_year; @@ -141,11 +159,23 @@ static efi_status_t EFIAPI efi_get_time_boottime( time->day = tm.tm_mday; time->hour = tm.tm_hour; time->minute = tm.tm_min; - time->daylight = tm.tm_isdst; - - return EFI_EXIT(EFI_SUCCESS); + time->second = tm.tm_sec; + time->daylight = EFI_TIME_ADJUST_DAYLIGHT; + if (tm.tm_isdst > 0) + time->daylight |= EFI_TIME_IN_DAYLIGHT; + time->timezone = EFI_UNSPECIFIED_TIMEZONE; + + if (capabilities) { + /* Set reasonable dummy values */ + capabilities->resolution = 1; /* 1 Hz */ + capabilities->accuracy = 100000000; /* 100 ppm */ + capabilities->sets_to_zero = false; + } +out: + return EFI_EXIT(ret); #else - return EFI_DEVICE_ERROR; + EFI_ENTRY("%p %p", time, capabilities); + return EFI_EXIT(EFI_DEVICE_ERROR); #endif } @@ -173,11 +203,6 @@ efi_status_t __weak __efi_runtime EFIAPI efi_get_time( return EFI_DEVICE_ERROR; } -efi_status_t __weak efi_get_time_init(void) -{ - return EFI_SUCCESS; -} - struct efi_runtime_detach_list_struct { void *ptr; void *patchto; @@ -458,8 +483,8 @@ efi_status_t __efi_runtime EFIAPI efi_query_variable_info( struct efi_runtime_services __efi_runtime_data efi_runtime_services = { .hdr = { .signature = EFI_RUNTIME_SERVICES_SIGNATURE, - .revision = EFI_RUNTIME_SERVICES_REVISION, - .headersize = sizeof(struct efi_table_hdr), + .revision = EFI_SPECIFICATION_VERSION, + .headersize = sizeof(struct efi_runtime_services), }, .get_time = &efi_get_time_boottime, .set_time = (void *)&efi_device_error, |