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x86, efi: Abstract x86 efi_early calls
The ARM EFI boot stub doesn't need to care about the efi_early infrastructure that x86 requires in order to do mixed mode thunking. So wrap everything up in an efi_call_early() macro. This allows x86 to do the necessary indirection jumps to call whatever firmware interface is necessary (native or mixed mode), but also allows the ARM folks to mask the fact that they don't support relocation in the boot stub and need to pass 'sys_table_arg' to every function. [ hpa: there are no object code changes from this patch ] Signed-off-by: Matt Fleming <matt.fleming@intel.com> Link: http://lkml.kernel.org/r/20140326091011.GB2958@console-pimps.org Cc: Roy Franz <roy.franz@linaro.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Matt Fleming
H. Peter Anvin
parent
9a11040ff9
commit
204b0a1a4b
2 changed files with 98 additions and 101 deletions
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@ -21,6 +21,9 @@ static efi_system_table_t *sys_table;
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static struct efi_config *efi_early;
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#define efi_call_early(f, ...) \
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efi_early->call(efi_early->f, __VA_ARGS__);
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#define BOOT_SERVICES(bits) \
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static void setup_boot_services##bits(struct efi_config *c) \
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{ \
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@ -78,8 +81,8 @@ __file_size32(void *__fh, efi_char16_t *filename_16,
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}
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grow:
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status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
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info_sz, (void **)&info);
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status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
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info_sz, (void **)&info);
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if (status != EFI_SUCCESS) {
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efi_printk(sys_table, "Failed to alloc mem for file info\n");
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return status;
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@ -88,12 +91,12 @@ __file_size32(void *__fh, efi_char16_t *filename_16,
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status = efi_early->call((unsigned long)h->get_info, h, &info_guid,
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&info_sz, info);
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if (status == EFI_BUFFER_TOO_SMALL) {
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efi_early->call(efi_early->free_pool, info);
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efi_call_early(free_pool, info);
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goto grow;
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}
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*file_sz = info->file_size;
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efi_early->call(efi_early->free_pool, info);
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efi_call_early(free_pool, info);
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if (status != EFI_SUCCESS)
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efi_printk(sys_table, "Failed to get initrd info\n");
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@ -131,8 +134,8 @@ __file_size64(void *__fh, efi_char16_t *filename_16,
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}
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grow:
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status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
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info_sz, (void **)&info);
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status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
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info_sz, (void **)&info);
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if (status != EFI_SUCCESS) {
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efi_printk(sys_table, "Failed to alloc mem for file info\n");
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return status;
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@ -141,12 +144,12 @@ __file_size64(void *__fh, efi_char16_t *filename_16,
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status = efi_early->call((unsigned long)h->get_info, h, &info_guid,
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&info_sz, info);
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if (status == EFI_BUFFER_TOO_SMALL) {
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efi_early->call(efi_early->free_pool, info);
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efi_call_early(free_pool, info);
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goto grow;
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}
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*file_sz = info->file_size;
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efi_early->call(efi_early->free_pool, info);
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efi_call_early(free_pool, info);
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if (status != EFI_SUCCESS)
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efi_printk(sys_table, "Failed to get initrd info\n");
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@ -204,8 +207,8 @@ static inline efi_status_t __open_volume32(void *__image, void **__fh)
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void *handle = (void *)(unsigned long)image->device_handle;
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unsigned long func;
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status = efi_early->call(efi_early->handle_protocol, handle,
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&fs_proto, (void **)&io);
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status = efi_call_early(handle_protocol, handle,
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&fs_proto, (void **)&io);
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if (status != EFI_SUCCESS) {
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efi_printk(sys_table, "Failed to handle fs_proto\n");
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return status;
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@ -230,8 +233,8 @@ static inline efi_status_t __open_volume64(void *__image, void **__fh)
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void *handle = (void *)(unsigned long)image->device_handle;
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unsigned long func;
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status = efi_early->call(efi_early->handle_protocol, handle,
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&fs_proto, (void **)&io);
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status = efi_call_early(handle_protocol, handle,
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&fs_proto, (void **)&io);
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if (status != EFI_SUCCESS) {
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efi_printk(sys_table, "Failed to handle fs_proto\n");
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return status;
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@ -325,9 +328,7 @@ __setup_efi_pci32(efi_pci_io_protocol_32 *pci, struct pci_setup_rom **__rom)
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size = pci->romsize + sizeof(*rom);
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status = efi_early->call(efi_early->allocate_pool,
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EFI_LOADER_DATA, size, &rom);
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status = efi_call_early(allocate_pool, EFI_LOADER_DATA, size, &rom);
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if (status != EFI_SUCCESS)
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return status;
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@ -361,7 +362,7 @@ __setup_efi_pci32(efi_pci_io_protocol_32 *pci, struct pci_setup_rom **__rom)
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return status;
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free_struct:
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efi_early->call(efi_early->free_pool, rom);
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efi_call_early(free_pool, rom);
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return status;
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}
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@ -387,8 +388,8 @@ setup_efi_pci32(struct boot_params *params, void **pci_handle,
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struct pci_setup_rom *rom = NULL;
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u32 h = handles[i];
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status = efi_early->call(efi_early->handle_protocol, h,
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&pci_proto, (void **)&pci);
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status = efi_call_early(handle_protocol, h,
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&pci_proto, (void **)&pci);
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if (status != EFI_SUCCESS)
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continue;
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@ -431,9 +432,7 @@ __setup_efi_pci64(efi_pci_io_protocol_64 *pci, struct pci_setup_rom **__rom)
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size = pci->romsize + sizeof(*rom);
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status = efi_early->call(efi_early->allocate_pool,
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EFI_LOADER_DATA, size, &rom);
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status = efi_call_early(allocate_pool, EFI_LOADER_DATA, size, &rom);
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if (status != EFI_SUCCESS)
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return status;
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@ -465,7 +464,7 @@ __setup_efi_pci64(efi_pci_io_protocol_64 *pci, struct pci_setup_rom **__rom)
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return status;
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free_struct:
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efi_early->call(efi_early->free_pool, rom);
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efi_call_early(free_pool, rom);
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return status;
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}
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@ -492,8 +491,8 @@ setup_efi_pci64(struct boot_params *params, void **pci_handle,
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struct pci_setup_rom *rom = NULL;
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u64 h = handles[i];
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status = efi_early->call(efi_early->handle_protocol, h,
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&pci_proto, (void **)&pci);
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status = efi_call_early(handle_protocol, h,
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&pci_proto, (void **)&pci);
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if (status != EFI_SUCCESS)
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continue;
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@ -524,21 +523,21 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
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efi_guid_t pci_proto = EFI_PCI_IO_PROTOCOL_GUID;
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unsigned long size = 0;
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status = efi_early->call(efi_early->locate_handle,
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EFI_LOCATE_BY_PROTOCOL,
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&pci_proto, NULL, &size, pci_handle);
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status = efi_call_early(locate_handle,
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EFI_LOCATE_BY_PROTOCOL,
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&pci_proto, NULL, &size, pci_handle);
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if (status == EFI_BUFFER_TOO_SMALL) {
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status = efi_early->call(efi_early->allocate_pool,
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EFI_LOADER_DATA,
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size, (void **)&pci_handle);
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status = efi_call_early(allocate_pool,
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EFI_LOADER_DATA,
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size, (void **)&pci_handle);
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if (status != EFI_SUCCESS)
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return status;
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status = efi_early->call(efi_early->locate_handle,
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EFI_LOCATE_BY_PROTOCOL, &pci_proto,
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NULL, &size, pci_handle);
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status = efi_call_early(locate_handle,
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EFI_LOCATE_BY_PROTOCOL, &pci_proto,
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NULL, &size, pci_handle);
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}
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if (status != EFI_SUCCESS)
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@ -550,7 +549,7 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
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status = setup_efi_pci32(params, pci_handle, size);
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free_handle:
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efi_early->call(efi_early->free_pool, pci_handle);
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efi_call_early(free_pool, pci_handle);
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return status;
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}
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@ -651,13 +650,13 @@ setup_gop32(struct screen_info *si, efi_guid_t *proto,
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void *dummy = NULL;
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u32 h = handles[i];
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status = efi_early->call(efi_early->handle_protocol, h,
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proto, (void **)&gop32);
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status = efi_call_early(handle_protocol, h,
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proto, (void **)&gop32);
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if (status != EFI_SUCCESS)
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continue;
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status = efi_early->call(efi_early->handle_protocol, h,
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&conout_proto, &dummy);
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status = efi_call_early(handle_protocol, h,
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&conout_proto, &dummy);
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if (status == EFI_SUCCESS)
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conout_found = true;
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@ -754,13 +753,13 @@ setup_gop64(struct screen_info *si, efi_guid_t *proto,
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void *dummy = NULL;
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u64 h = handles[i];
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status = efi_early->call(efi_early->handle_protocol, h,
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proto, (void **)&gop64);
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status = efi_call_early(handle_protocol, h,
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proto, (void **)&gop64);
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if (status != EFI_SUCCESS)
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continue;
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status = efi_early->call(efi_early->handle_protocol, h,
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&conout_proto, &dummy);
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status = efi_call_early(handle_protocol, h,
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&conout_proto, &dummy);
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if (status == EFI_SUCCESS)
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conout_found = true;
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@ -819,14 +818,14 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
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efi_status_t status;
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void **gop_handle = NULL;
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status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
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size, (void **)&gop_handle);
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status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
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size, (void **)&gop_handle);
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if (status != EFI_SUCCESS)
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return status;
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status = efi_early->call(efi_early->locate_handle,
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EFI_LOCATE_BY_PROTOCOL,
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proto, NULL, &size, gop_handle);
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status = efi_call_early(locate_handle,
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EFI_LOCATE_BY_PROTOCOL,
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proto, NULL, &size, gop_handle);
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if (status != EFI_SUCCESS)
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goto free_handle;
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@ -836,7 +835,7 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
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status = setup_gop32(si, proto, size, gop_handle);
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free_handle:
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efi_early->call(efi_early->free_pool, gop_handle);
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efi_call_early(free_pool, gop_handle);
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return status;
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}
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@ -858,13 +857,12 @@ setup_uga32(void **uga_handle, unsigned long size, u32 *width, u32 *height)
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void *pciio;
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u32 handle = handles[i];
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status = efi_early->call(efi_early->handle_protocol, handle,
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&uga_proto, (void **)&uga);
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status = efi_call_early(handle_protocol, handle,
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&uga_proto, (void **)&uga);
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if (status != EFI_SUCCESS)
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continue;
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efi_early->call(efi_early->handle_protocol, handle,
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&pciio_proto, &pciio);
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efi_call_early(handle_protocol, handle, &pciio_proto, &pciio);
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status = efi_early->call((unsigned long)uga->get_mode, uga,
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&w, &h, &depth, &refresh);
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@ -904,13 +902,12 @@ setup_uga64(void **uga_handle, unsigned long size, u32 *width, u32 *height)
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void *pciio;
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u64 handle = handles[i];
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status = efi_early->call(efi_early->handle_protocol, handle,
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&uga_proto, (void **)&uga);
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status = efi_call_early(handle_protocol, handle,
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&uga_proto, (void **)&uga);
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if (status != EFI_SUCCESS)
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continue;
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efi_early->call(efi_early->handle_protocol, handle,
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&pciio_proto, &pciio);
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efi_call_early(handle_protocol, handle, &pciio_proto, &pciio);
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status = efi_early->call((unsigned long)uga->get_mode, uga,
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&w, &h, &depth, &refresh);
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@ -942,14 +939,14 @@ static efi_status_t setup_uga(struct screen_info *si, efi_guid_t *uga_proto,
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u32 width, height;
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void **uga_handle = NULL;
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status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
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size, (void **)&uga_handle);
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status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
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size, (void **)&uga_handle);
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if (status != EFI_SUCCESS)
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return status;
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status = efi_early->call(efi_early->locate_handle,
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EFI_LOCATE_BY_PROTOCOL,
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uga_proto, NULL, &size, uga_handle);
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status = efi_call_early(locate_handle,
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EFI_LOCATE_BY_PROTOCOL,
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uga_proto, NULL, &size, uga_handle);
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if (status != EFI_SUCCESS)
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goto free_handle;
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@ -981,7 +978,7 @@ static efi_status_t setup_uga(struct screen_info *si, efi_guid_t *uga_proto,
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si->rsvd_pos = 24;
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free_handle:
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efi_early->call(efi_early->free_pool, uga_handle);
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efi_call_early(free_pool, uga_handle);
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return status;
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}
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@ -999,17 +996,17 @@ void setup_graphics(struct boot_params *boot_params)
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memset(si, 0, sizeof(*si));
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size = 0;
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status = efi_early->call(efi_early->locate_handle,
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EFI_LOCATE_BY_PROTOCOL,
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&graphics_proto, NULL, &size, gop_handle);
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status = efi_call_early(locate_handle,
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EFI_LOCATE_BY_PROTOCOL,
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&graphics_proto, NULL, &size, gop_handle);
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if (status == EFI_BUFFER_TOO_SMALL)
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status = setup_gop(si, &graphics_proto, size);
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if (status != EFI_SUCCESS) {
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size = 0;
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status = efi_early->call(efi_early->locate_handle,
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EFI_LOCATE_BY_PROTOCOL,
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&uga_proto, NULL, &size, uga_handle);
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status = efi_call_early(locate_handle,
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EFI_LOCATE_BY_PROTOCOL,
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&uga_proto, NULL, &size, uga_handle);
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if (status == EFI_BUFFER_TOO_SMALL)
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setup_uga(si, &uga_proto, size);
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}
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@ -1052,8 +1049,8 @@ struct boot_params *make_boot_params(struct efi_config *c)
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else
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setup_boot_services32(efi_early);
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status = efi_early->call(efi_early->handle_protocol, handle,
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&proto, (void *)&image);
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status = efi_call_early(handle_protocol, handle,
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&proto, (void *)&image);
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if (status != EFI_SUCCESS) {
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efi_printk(sys_table, "Failed to get handle for LOADED_IMAGE_PROTOCOL\n");
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return NULL;
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@ -1242,13 +1239,13 @@ static efi_status_t alloc_e820ext(u32 nr_desc, struct setup_data **e820ext,
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sizeof(struct e820entry) * nr_desc;
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if (*e820ext) {
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efi_early->call(efi_early->free_pool, *e820ext);
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efi_call_early(free_pool, *e820ext);
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*e820ext = NULL;
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*e820ext_size = 0;
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}
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status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
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size, (void **)e820ext);
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status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
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size, (void **)e820ext);
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if (status == EFI_SUCCESS)
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*e820ext_size = size;
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@ -1292,7 +1289,7 @@ static efi_status_t exit_boot(struct boot_params *boot_params,
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if (status != EFI_SUCCESS)
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goto free_mem_map;
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efi_early->call(efi_early->free_pool, mem_map);
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efi_call_early(free_pool, mem_map);
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goto get_map; /* Allocated memory, get map again */
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}
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@ -1311,7 +1308,7 @@ static efi_status_t exit_boot(struct boot_params *boot_params,
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#endif
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/* Might as well exit boot services now */
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status = efi_early->call(efi_early->exit_boot_services, handle, key);
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status = efi_call_early(exit_boot_services, handle, key);
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if (status != EFI_SUCCESS) {
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/*
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* ExitBootServices() will fail if any of the event
|
||||
|
|
@ -1324,7 +1321,7 @@ static efi_status_t exit_boot(struct boot_params *boot_params,
|
|||
goto free_mem_map;
|
||||
|
||||
called_exit = true;
|
||||
efi_early->call(efi_early->free_pool, mem_map);
|
||||
efi_call_early(free_pool, mem_map);
|
||||
goto get_map;
|
||||
}
|
||||
|
||||
|
|
@ -1338,7 +1335,7 @@ static efi_status_t exit_boot(struct boot_params *boot_params,
|
|||
return EFI_SUCCESS;
|
||||
|
||||
free_mem_map:
|
||||
efi_early->call(efi_early->free_pool, mem_map);
|
||||
efi_call_early(free_pool, mem_map);
|
||||
return status;
|
||||
}
|
||||
|
||||
|
|
@ -1379,8 +1376,8 @@ struct boot_params *efi_main(struct efi_config *c,
|
|||
|
||||
setup_efi_pci(boot_params);
|
||||
|
||||
status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
|
||||
sizeof(*gdt), (void **)&gdt);
|
||||
status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
|
||||
sizeof(*gdt), (void **)&gdt);
|
||||
if (status != EFI_SUCCESS) {
|
||||
efi_printk(sys_table, "Failed to alloc mem for gdt structure\n");
|
||||
goto fail;
|
||||
|
|
|
|||
|
|
@ -53,22 +53,22 @@ static efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg,
|
|||
* allocation which may be in a new descriptor region.
|
||||
*/
|
||||
*map_size += sizeof(*m);
|
||||
status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
|
||||
*map_size, (void **)&m);
|
||||
status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
|
||||
*map_size, (void **)&m);
|
||||
if (status != EFI_SUCCESS)
|
||||
goto fail;
|
||||
|
||||
*desc_size = 0;
|
||||
key = 0;
|
||||
status = efi_early->call(efi_early->get_memory_map, map_size, m,
|
||||
&key, desc_size, &desc_version);
|
||||
status = efi_call_early(get_memory_map, map_size, m,
|
||||
&key, desc_size, &desc_version);
|
||||
if (status == EFI_BUFFER_TOO_SMALL) {
|
||||
efi_early->call(efi_early->free_pool, m);
|
||||
efi_call_early(free_pool, m);
|
||||
goto again;
|
||||
}
|
||||
|
||||
if (status != EFI_SUCCESS)
|
||||
efi_early->call(efi_early->free_pool, m);
|
||||
efi_call_early(free_pool, m);
|
||||
|
||||
if (key_ptr && status == EFI_SUCCESS)
|
||||
*key_ptr = key;
|
||||
|
|
@ -149,9 +149,9 @@ static efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg,
|
|||
if (!max_addr)
|
||||
status = EFI_NOT_FOUND;
|
||||
else {
|
||||
status = efi_early->call(efi_early->allocate_pages,
|
||||
EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
|
||||
nr_pages, &max_addr);
|
||||
status = efi_call_early(allocate_pages,
|
||||
EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
|
||||
nr_pages, &max_addr);
|
||||
if (status != EFI_SUCCESS) {
|
||||
max = max_addr;
|
||||
max_addr = 0;
|
||||
|
|
@ -161,7 +161,7 @@ static efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg,
|
|||
*addr = max_addr;
|
||||
}
|
||||
|
||||
efi_early->call(efi_early->free_pool, map);
|
||||
efi_call_early(free_pool, map);
|
||||
fail:
|
||||
return status;
|
||||
}
|
||||
|
|
@ -221,9 +221,9 @@ static efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
|
|||
if ((start + size) > end)
|
||||
continue;
|
||||
|
||||
status = efi_early->call(efi_early->allocate_pages,
|
||||
EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
|
||||
nr_pages, &start);
|
||||
status = efi_call_early(allocate_pages,
|
||||
EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
|
||||
nr_pages, &start);
|
||||
if (status == EFI_SUCCESS) {
|
||||
*addr = start;
|
||||
break;
|
||||
|
|
@ -233,7 +233,7 @@ static efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
|
|||
if (i == map_size / desc_size)
|
||||
status = EFI_NOT_FOUND;
|
||||
|
||||
efi_early->call(efi_early->free_pool, map);
|
||||
efi_call_early(free_pool, map);
|
||||
fail:
|
||||
return status;
|
||||
}
|
||||
|
|
@ -247,7 +247,7 @@ static void efi_free(efi_system_table_t *sys_table_arg, unsigned long size,
|
|||
return;
|
||||
|
||||
nr_pages = round_up(size, EFI_PAGE_SIZE) / EFI_PAGE_SIZE;
|
||||
efi_early->call(efi_early->free_pages, addr, nr_pages);
|
||||
efi_call_early(free_pages, addr, nr_pages);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -307,8 +307,8 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
|
|||
if (!nr_files)
|
||||
return EFI_SUCCESS;
|
||||
|
||||
status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
|
||||
nr_files * sizeof(*files), (void **)&files);
|
||||
status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
|
||||
nr_files * sizeof(*files), (void **)&files);
|
||||
if (status != EFI_SUCCESS) {
|
||||
efi_printk(sys_table_arg, "Failed to alloc mem for file handle list\n");
|
||||
goto fail;
|
||||
|
|
@ -413,7 +413,7 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
|
|||
|
||||
}
|
||||
|
||||
efi_early->call(efi_early->free_pool, files);
|
||||
efi_call_early(free_pool, files);
|
||||
|
||||
*load_addr = file_addr;
|
||||
*load_size = file_size_total;
|
||||
|
|
@ -427,7 +427,7 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
|
|||
for (k = j; k < i; k++)
|
||||
efi_file_close(fh, files[k].handle);
|
||||
free_files:
|
||||
efi_early->call(efi_early->free_pool, files);
|
||||
efi_call_early(free_pool, files);
|
||||
fail:
|
||||
*load_addr = 0;
|
||||
*load_size = 0;
|
||||
|
|
@ -473,9 +473,9 @@ static efi_status_t efi_relocate_kernel(efi_system_table_t *sys_table_arg,
|
|||
* as possible while respecting the required alignment.
|
||||
*/
|
||||
nr_pages = round_up(alloc_size, EFI_PAGE_SIZE) / EFI_PAGE_SIZE;
|
||||
status = efi_early->call(efi_early->allocate_pages,
|
||||
EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
|
||||
nr_pages, &efi_addr);
|
||||
status = efi_call_early(allocate_pages,
|
||||
EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
|
||||
nr_pages, &efi_addr);
|
||||
new_addr = efi_addr;
|
||||
/*
|
||||
* If preferred address allocation failed allocate as low as
|
||||
|
|
|
|||
Loading…
Reference in a new issue