diff options
Diffstat (limited to 'lib/efi_loader/efi_runtime.c')
| -rw-r--r-- | lib/efi_loader/efi_runtime.c | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c index 52f1301d75..65f2bcf140 100644 --- a/lib/efi_loader/efi_runtime.c +++ b/lib/efi_loader/efi_runtime.c @@ -10,7 +10,6 @@ #include <dm.h> #include <efi_loader.h> #include <rtc.h> -#include <asm/global_data.h> /* For manual relocation support */ DECLARE_GLOBAL_DATA_PTR; @@ -29,13 +28,6 @@ static efi_status_t __efi_runtime EFIAPI efi_unimplemented(void); static efi_status_t __efi_runtime EFIAPI efi_device_error(void); static efi_status_t __efi_runtime EFIAPI efi_invalid_parameter(void); -#ifdef CONFIG_SYS_CACHELINE_SIZE -#define EFI_CACHELINE_SIZE CONFIG_SYS_CACHELINE_SIZE -#else -/* Just use the greatest cache flush alignment requirement I'm aware of */ -#define EFI_CACHELINE_SIZE 128 -#endif - #if defined(CONFIG_ARM64) #define R_RELATIVE 1027 #define R_MASK 0xffffffffULL @@ -47,6 +39,25 @@ static efi_status_t __efi_runtime EFIAPI efi_invalid_parameter(void); #include <asm/elf.h> #define R_RELATIVE R_386_RELATIVE #define R_MASK 0xffULL +#elif defined(CONFIG_RISCV) +#include <elf.h> +#define R_RELATIVE R_RISCV_RELATIVE +#define R_MASK 0xffULL +#define IS_RELA 1 + +struct dyn_sym { + ulong foo1; + ulong addr; + u32 foo2; + u32 foo3; +}; +#ifdef CONFIG_CPU_RISCV_32 +#define R_ABSOLUTE R_RISCV_32 +#define SYM_INDEX 8 +#else +#define R_ABSOLUTE R_RISCV_64 +#define SYM_INDEX 32 +#endif #else #error Need to add relocation awareness #endif @@ -201,7 +212,7 @@ static const struct efi_runtime_detach_list_struct efi_runtime_detach_list[] = { .ptr = &efi_runtime_services.get_variable, .patchto = &efi_device_error, }, { - .ptr = &efi_runtime_services.get_next_variable, + .ptr = &efi_runtime_services.get_next_variable_name, .patchto = &efi_device_error, }, { .ptr = &efi_runtime_services.set_variable, @@ -253,15 +264,27 @@ void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map) p = (void*)((ulong)rel->offset - base) + gd->relocaddr; - if ((rel->info & R_MASK) != R_RELATIVE) { - continue; - } + debug("%s: rel->info=%#lx *p=%#lx rel->offset=%p\n", __func__, rel->info, *p, rel->offset); + switch (rel->info & R_MASK) { + case R_RELATIVE: #ifdef IS_RELA newaddr = rel->addend + offset - CONFIG_SYS_TEXT_BASE; #else newaddr = *p - lastoff + offset; #endif + break; +#ifdef R_ABSOLUTE + case R_ABSOLUTE: { + ulong symidx = rel->info >> SYM_INDEX; + extern struct dyn_sym __dyn_sym_start[]; + newaddr = __dyn_sym_start[symidx].addr + offset; + break; + } +#endif + default: + continue; + } /* Check if the relocation is inside bounds */ if (map && ((newaddr < map->virtual_start) || @@ -421,9 +444,9 @@ efi_status_t __efi_runtime EFIAPI efi_query_capsule_caps( efi_status_t __efi_runtime EFIAPI efi_query_variable_info( u32 attributes, - u64 maximum_variable_storage_size, - u64 remaining_variable_storage_size, - u64 maximum_variable_size) + u64 *maximum_variable_storage_size, + u64 *remaining_variable_storage_size, + u64 *maximum_variable_size) { return EFI_UNSUPPORTED; } @@ -441,7 +464,7 @@ struct efi_runtime_services __efi_runtime_data efi_runtime_services = { .set_virtual_address_map = &efi_set_virtual_address_map, .convert_pointer = (void *)&efi_invalid_parameter, .get_variable = efi_get_variable, - .get_next_variable = efi_get_next_variable, + .get_next_variable_name = efi_get_next_variable_name, .set_variable = efi_set_variable, .get_next_high_mono_count = (void *)&efi_device_error, .reset_system = &efi_reset_system_boottime, |