diff options
Diffstat (limited to 'drivers/firmware/efi/libstub/loongarch-stub.c')
-rw-r--r-- | drivers/firmware/efi/libstub/loongarch-stub.c | 67 |
1 files changed, 1 insertions, 66 deletions
diff --git a/drivers/firmware/efi/libstub/loongarch-stub.c b/drivers/firmware/efi/libstub/loongarch-stub.c index 6b30fc281458..eee7ed43cdfb 100644 --- a/drivers/firmware/efi/libstub/loongarch-stub.c +++ b/drivers/firmware/efi/libstub/loongarch-stub.c @@ -9,18 +9,10 @@ #include <asm/addrspace.h> #include "efistub.h" -typedef void __noreturn (*kernel_entry_t)(bool efi, unsigned long cmdline, - unsigned long systab); - extern int kernel_asize; extern int kernel_fsize; extern int kernel_offset; -extern kernel_entry_t kernel_entry; - -efi_status_t check_platform_features(void) -{ - return EFI_SUCCESS; -} +extern int kernel_entry; efi_status_t handle_kernel_image(unsigned long *image_addr, unsigned long *image_size, @@ -53,66 +45,9 @@ efi_status_t handle_kernel_image(unsigned long *image_addr, return status; } -struct exit_boot_struct { - efi_memory_desc_t *runtime_map; - int runtime_entry_count; -}; - -static efi_status_t exit_boot_func(struct efi_boot_memmap *map, void *priv) -{ - struct exit_boot_struct *p = priv; - - /* - * Update the memory map with virtual addresses. The function will also - * populate @runtime_map with copies of just the EFI_MEMORY_RUNTIME - * entries so that we can pass it straight to SetVirtualAddressMap() - */ - efi_get_virtmap(map->map, map->map_size, map->desc_size, - p->runtime_map, &p->runtime_entry_count); - - return EFI_SUCCESS; -} - unsigned long kernel_entry_address(void) { unsigned long base = (unsigned long)&kernel_offset - kernel_offset; return (unsigned long)&kernel_entry - base + VMLINUX_LOAD_ADDRESS; } - -efi_status_t efi_boot_kernel(void *handle, efi_loaded_image_t *image, - unsigned long kernel_addr, char *cmdline_ptr) -{ - kernel_entry_t real_kernel_entry; - struct exit_boot_struct priv; - unsigned long desc_size; - efi_status_t status; - u32 desc_ver; - - status = efi_alloc_virtmap(&priv.runtime_map, &desc_size, &desc_ver); - if (status != EFI_SUCCESS) { - efi_err("Unable to retrieve UEFI memory map.\n"); - return status; - } - - efi_info("Exiting boot services\n"); - - efi_novamap = false; - status = efi_exit_boot_services(handle, &priv, exit_boot_func); - if (status != EFI_SUCCESS) - return status; - - /* Install the new virtual address map */ - efi_rt_call(set_virtual_address_map, - priv.runtime_entry_count * desc_size, desc_size, - desc_ver, priv.runtime_map); - - /* Config Direct Mapping */ - csr_write64(CSR_DMW0_INIT, LOONGARCH_CSR_DMWIN0); - csr_write64(CSR_DMW1_INIT, LOONGARCH_CSR_DMWIN1); - - real_kernel_entry = (void *)kernel_entry_address(); - - real_kernel_entry(true, (unsigned long)cmdline_ptr, - (unsigned long)efi_system_table); -} |