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Fix kaem to work with multiple commands.

This commit is contained in:
Andrius Štikonas 2022-07-25 19:57:44 +01:00
parent e51956a58c
commit 0895da7db6
2 changed files with 11 additions and 8 deletions
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17
Development/kaem-minimal.c
View File

@ -66,6 +66,7 @@ efi_status_t efi_main(efi_handle_t image_handle, struct efi_system_table *system
unsigned int i;
uint8_t c;
efi_uint_t size = 1;
efi_uint_t file_size = 1;
efi_uint_t return_code;
void *executable;
efi_handle_t child_ih;
@ -121,14 +122,14 @@ efi_status_t efi_main(efi_handle_t image_handle, struct efi_system_table *system
}
struct efi_file_info *file_info;
size = sizeof(struct efi_file_info);
system->boot->allocate_pool(EFI_LOADER_DATA, size, (void **) &file_info);
fcmd->get_info(fcmd, &guid3, &size, file_info);
size = file_info->file_size;
file_size = sizeof(struct efi_file_info);
system->boot->allocate_pool(EFI_LOADER_DATA, file_size, (void **) &file_info);
fcmd->get_info(fcmd, &guid3, &file_size, file_info);
file_size = file_info->file_size;
system->boot->free_pool(file_info);
system->boot->allocate_pool(EFI_LOADER_CODE, size, (void **) &executable);
fcmd->read(fcmd, &size, executable);
system->boot->allocate_pool(EFI_LOADER_CODE, file_size, (void **) &executable);
fcmd->read(fcmd, &file_size, executable);
struct efi_device_path_protocol *device_path;
system->boot->allocate_pool(EFI_LOADER_DATA, 4 + sizeof(struct efi_device_path_protocol), (void **) &device_path);
@ -137,12 +138,12 @@ efi_status_t efi_main(efi_handle_t image_handle, struct efi_system_table *system
device_path->length = sizeof(struct efi_device_path_protocol);
device_path->memory_type = EFI_LOADER_CODE;
device_path->start_address = (uint64_t) executable;
device_path->end_address = (uint64_t) executable + size;
device_path->end_address = (uint64_t) executable + file_size;
device_path[1].type = END_HARDWARE_DEVICE_PATH;
device_path[1].subtype = END_ENTIRE_DEVICE_PATH;
device_path[1].length = 4;
system->boot->load_image(0, image_handle, device_path, executable, size, &child_ih);
system->boot->load_image(0, image_handle, device_path, executable, file_size, &child_ih);
system->boot->free_pool(device_path);
system->boot->free_pool(executable);

2
Development/rootfs/kaem.amd64
View File

@ -2,3 +2,5 @@
# Rebuild hex0
EFI\BOOT\hex0.efi hex0_amd64.hex0 hex0.efi
# test
hex0.efi hex0_amd64.hex0 hex0a.efi