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Date: Sat, 22 Mar 2014 13:16:33 -0700
From: Roy Franz <roy.franz@...aro.org>
To: Matt Fleming <matt@...sole-pimps.org>
Cc: "linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
"H. Peter Anvin" <hpa@...or.com>, Borislav Petkov <bp@...en8.de>,
Alan Cox <alan@...rguk.ukuu.org.uk>,
Matthew Garrett <mjg59@...f.ucam.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Matt Fleming <matt.fleming@...el.com>,
Leif Lindholm <leif.lindholm@...aro.org>
Subject: Re: [PATCH v2 06/13] x86/efi: Build our own EFI services pointer table
On Sat, Mar 22, 2014 at 4:05 AM, Matt Fleming <matt@...sole-pimps.org> wrote:
> On Fri, 21 Mar, at 05:52:29PM, Roy Franz wrote:
>>
>> For both arm32 and arm64 the Linux and EFI calling conventions are the
>> same, so we are directly invoking the function pointers in the
>> boot_services table. This gives us type checking of those calls,
>> which is nice.The efi_call_physN macros for ARM are currently simply:
>> #define efi_call_phys2(f, a1, a2) f(a1, a2)
>>
>> With the changes in this patch, we can't do this anymore, as we were
>> relying on some macro processing to handle this differently on ARM.
>
> But on the plus side, you no longer have to implement all those
> efi_call_physX() macros ;-)
>
>> I'd like to propose something like for following (my variadic macros
>> may not be quite right....)
>>
>> for x86:
>> #define efi_call_early(...) efi_early->call(__VA_ARGS__)
>>
>> for arm it would be:
>> #define efi_call_early(function, ...) efi_early->function(__VA_ARGS__)
>
> Close enough.
>
>> This would allow us to define the efi_config struct with typed
>> function pointers for ARM, and retain the direct invocation along with
>> type checking. This returns to using a macro, but I think we should
>> be able to use a variadic macro instead of the 6 separate macros we
>> had before.
>>
>> I plan to use the above technique to incorporate these changes into
>> arm64/arm32, barring any better ideas or objections.
>
> Actually, this should be enough to fix this up on ARM,
>
> #define efi_call_early(f, ...) \
> sys_table_arg->boottime->f(__VA_ARGS__);
>
> Then you don't need any of the efi_config stuff.
Even better. I had overlooked that the efi_config variables had identical names
as the boot services.
>
> Yes, the fact that we're making use of the sys_table_arg is invisible at
> the call-site, but meh. Not sure that's a big deal. It allows us to use
> efi_call_early() in the x86 code without needlessly passing 'sys_table'
> around, since we've got a global pointer to it anyhow.
>
> ------ >8 ------
>
> From 5fcc1036d143802e321a745b2c3d793ddb8369ac Mon Sep 17 00:00:00 2001
> From: Matt Fleming <matt.fleming@...el.com>
> Date: Sat, 22 Mar 2014 10:09:01 +0000
> Subject: [PATCH] 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, which saves ARM having
> to implement efi_config.
>
> This allows x86 to do the necessary indirect jumps to call whatever
> firmware interface is available (native or mixed mode), and at the same
> time allows ARM to use the C type system for parameter checking by
> implementing efi_early_call() like so,
>
> #define efi_call_early(f, ...) \
> system_table_arg->boottime->f(__VA_ARGS__);
>
> Signed-off-by: Matt Fleming <matt.fleming@...el.com>
> ---
> arch/x86/boot/compressed/eboot.c | 155 ++++++++++++++++-----------------
> drivers/firmware/efi/efi-stub-helper.c | 44 +++++-----
> 2 files changed, 98 insertions(+), 101 deletions(-)
>
> diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
> index 5e1ba4fa3f79..1e6146137f8e 100644
> --- a/arch/x86/boot/compressed/eboot.c
> +++ b/arch/x86/boot/compressed/eboot.c
> @@ -21,6 +21,9 @@ static efi_system_table_t *sys_table;
>
> static struct efi_config *efi_early;
>
> +#define efi_call_early(f, ...) \
> + efi_early->call(efi_early->f, __VA_ARGS__);
> +
> #define BOOT_SERVICES(bits) \
> static void setup_boot_services##bits(struct efi_config *c) \
> { \
> @@ -78,8 +81,8 @@ __file_size32(void *__fh, efi_char16_t *filename_16,
> }
>
> grow:
> - status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
> - info_sz, (void **)&info);
> + status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
> + info_sz, (void **)&info);
> if (status != EFI_SUCCESS) {
> efi_printk(sys_table, "Failed to alloc mem for file info\n");
> return status;
> @@ -88,12 +91,12 @@ grow:
> status = efi_early->call((unsigned long)h->get_info, h, &info_guid,
> &info_sz, info);
> if (status == EFI_BUFFER_TOO_SMALL) {
> - efi_early->call(efi_early->free_pool, info);
> + efi_call_early(free_pool, info);
> goto grow;
> }
>
> *file_sz = info->file_size;
> - efi_early->call(efi_early->free_pool, info);
> + efi_call_early(free_pool, info);
>
> if (status != EFI_SUCCESS)
> efi_printk(sys_table, "Failed to get initrd info\n");
> @@ -131,8 +134,8 @@ __file_size64(void *__fh, efi_char16_t *filename_16,
> }
>
> grow:
> - status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
> - info_sz, (void **)&info);
> + status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
> + info_sz, (void **)&info);
> if (status != EFI_SUCCESS) {
> efi_printk(sys_table, "Failed to alloc mem for file info\n");
> return status;
> @@ -141,12 +144,12 @@ grow:
> status = efi_early->call((unsigned long)h->get_info, h, &info_guid,
> &info_sz, info);
> if (status == EFI_BUFFER_TOO_SMALL) {
> - efi_early->call(efi_early->free_pool, info);
> + efi_call_early(free_pool, info);
> goto grow;
> }
>
> *file_sz = info->file_size;
> - efi_early->call(efi_early->free_pool, info);
> + efi_call_early(free_pool, info);
>
> if (status != EFI_SUCCESS)
> efi_printk(sys_table, "Failed to get initrd info\n");
> @@ -204,8 +207,8 @@ static inline efi_status_t __open_volume32(void *__image, void **__fh)
> void *handle = (void *)(unsigned long)image->device_handle;
> unsigned long func;
>
> - status = efi_early->call(efi_early->handle_protocol, handle,
> - &fs_proto, (void **)&io);
> + status = efi_call_early(handle_protocol, handle,
> + &fs_proto, (void **)&io);
> if (status != EFI_SUCCESS) {
> efi_printk(sys_table, "Failed to handle fs_proto\n");
> return status;
> @@ -230,8 +233,8 @@ static inline efi_status_t __open_volume64(void *__image, void **__fh)
> void *handle = (void *)(unsigned long)image->device_handle;
> unsigned long func;
>
> - status = efi_early->call(efi_early->handle_protocol, handle,
> - &fs_proto, (void **)&io);
> + status = efi_call_early(handle_protocol, handle,
> + &fs_proto, (void **)&io);
> if (status != EFI_SUCCESS) {
> efi_printk(sys_table, "Failed to handle fs_proto\n");
> return status;
> @@ -325,9 +328,7 @@ __setup_efi_pci32(efi_pci_io_protocol_32 *pci, struct pci_setup_rom **__rom)
>
> size = pci->romsize + sizeof(*rom);
>
> - status = efi_early->call(efi_early->allocate_pool,
> - EFI_LOADER_DATA, size, &rom);
> -
> + status = efi_call_early(allocate_pool, EFI_LOADER_DATA, size, &rom);
> if (status != EFI_SUCCESS)
> return status;
>
> @@ -361,7 +362,7 @@ __setup_efi_pci32(efi_pci_io_protocol_32 *pci, struct pci_setup_rom **__rom)
> return status;
>
> free_struct:
> - efi_early->call(efi_early->free_pool, rom);
> + efi_call_early(free_pool, rom);
> return status;
> }
>
> @@ -387,8 +388,8 @@ setup_efi_pci32(struct boot_params *params, void **pci_handle,
> struct pci_setup_rom *rom = NULL;
> u32 h = handles[i];
>
> - status = efi_early->call(efi_early->handle_protocol, h,
> - &pci_proto, (void **)&pci);
> + status = efi_call_early(handle_protocol, h,
> + &pci_proto, (void **)&pci);
>
> if (status != EFI_SUCCESS)
> continue;
> @@ -431,9 +432,7 @@ __setup_efi_pci64(efi_pci_io_protocol_64 *pci, struct pci_setup_rom **__rom)
>
> size = pci->romsize + sizeof(*rom);
>
> - status = efi_early->call(efi_early->allocate_pool,
> - EFI_LOADER_DATA, size, &rom);
> -
> + status = efi_call_early(allocate_pool, EFI_LOADER_DATA, size, &rom);
> if (status != EFI_SUCCESS)
> return status;
>
> @@ -465,7 +464,7 @@ __setup_efi_pci64(efi_pci_io_protocol_64 *pci, struct pci_setup_rom **__rom)
> return status;
>
> free_struct:
> - efi_early->call(efi_early->free_pool, rom);
> + efi_call_early(free_pool, rom);
> return status;
>
> }
> @@ -492,8 +491,8 @@ setup_efi_pci64(struct boot_params *params, void **pci_handle,
> struct pci_setup_rom *rom = NULL;
> u64 h = handles[i];
>
> - status = efi_early->call(efi_early->handle_protocol, h,
> - &pci_proto, (void **)&pci);
> + status = efi_call_early(handle_protocol, h,
> + &pci_proto, (void **)&pci);
>
> if (status != EFI_SUCCESS)
> continue;
> @@ -524,21 +523,21 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
> efi_guid_t pci_proto = EFI_PCI_IO_PROTOCOL_GUID;
> unsigned long size = 0;
>
> - status = efi_early->call(efi_early->locate_handle,
> - EFI_LOCATE_BY_PROTOCOL,
> - &pci_proto, NULL, &size, pci_handle);
> + status = efi_call_early(locate_handle,
> + EFI_LOCATE_BY_PROTOCOL,
> + &pci_proto, NULL, &size, pci_handle);
>
> if (status == EFI_BUFFER_TOO_SMALL) {
> - status = efi_early->call(efi_early->allocate_pool,
> - EFI_LOADER_DATA,
> - size, (void **)&pci_handle);
> + status = efi_call_early(allocate_pool,
> + EFI_LOADER_DATA,
> + size, (void **)&pci_handle);
>
> if (status != EFI_SUCCESS)
> return status;
>
> - status = efi_early->call(efi_early->locate_handle,
> - EFI_LOCATE_BY_PROTOCOL, &pci_proto,
> - NULL, &size, pci_handle);
> + status = efi_call_early(locate_handle,
> + EFI_LOCATE_BY_PROTOCOL, &pci_proto,
> + NULL, &size, pci_handle);
> }
>
> if (status != EFI_SUCCESS)
> @@ -550,7 +549,7 @@ static efi_status_t setup_efi_pci(struct boot_params *params)
> status = setup_efi_pci32(params, pci_handle, size);
>
> free_handle:
> - efi_early->call(efi_early->free_pool, pci_handle);
> + efi_call_early(free_pool, pci_handle);
> return status;
> }
>
> @@ -651,13 +650,13 @@ setup_gop32(struct screen_info *si, efi_guid_t *proto,
> void *dummy = NULL;
> u32 h = handles[i];
>
> - status = efi_early->call(efi_early->handle_protocol, h,
> - proto, (void **)&gop32);
> + status = efi_call_early(handle_protocol, h,
> + proto, (void **)&gop32);
> if (status != EFI_SUCCESS)
> continue;
>
> - status = efi_early->call(efi_early->handle_protocol, h,
> - &conout_proto, &dummy);
> + status = efi_call_early(handle_protocol, h,
> + &conout_proto, &dummy);
> if (status == EFI_SUCCESS)
> conout_found = true;
>
> @@ -754,13 +753,13 @@ setup_gop64(struct screen_info *si, efi_guid_t *proto,
> void *dummy = NULL;
> u64 h = handles[i];
>
> - status = efi_early->call(efi_early->handle_protocol, h,
> - proto, (void **)&gop64);
> + status = efi_call_early(handle_protocol, h,
> + proto, (void **)&gop64);
> if (status != EFI_SUCCESS)
> continue;
>
> - status = efi_early->call(efi_early->handle_protocol, h,
> - &conout_proto, &dummy);
> + status = efi_call_early(handle_protocol, h,
> + &conout_proto, &dummy);
> if (status == EFI_SUCCESS)
> conout_found = true;
>
> @@ -819,14 +818,14 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
> efi_status_t status;
> void **gop_handle = NULL;
>
> - status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
> - size, (void **)&gop_handle);
> + status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
> + size, (void **)&gop_handle);
> if (status != EFI_SUCCESS)
> return status;
>
> - status = efi_early->call(efi_early->locate_handle,
> - EFI_LOCATE_BY_PROTOCOL,
> - proto, NULL, &size, gop_handle);
> + status = efi_call_early(locate_handle,
> + EFI_LOCATE_BY_PROTOCOL,
> + proto, NULL, &size, gop_handle);
> if (status != EFI_SUCCESS)
> goto free_handle;
>
> @@ -836,7 +835,7 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
> status = setup_gop32(si, proto, size, gop_handle);
>
> free_handle:
> - efi_early->call(efi_early->free_pool, gop_handle);
> + efi_call_early(free_pool, gop_handle);
> return status;
> }
>
> @@ -858,13 +857,12 @@ setup_uga32(void **uga_handle, unsigned long size, u32 *width, u32 *height)
> void *pciio;
> u32 handle = handles[i];
>
> - status = efi_early->call(efi_early->handle_protocol, handle,
> - &uga_proto, (void **)&uga);
> + status = efi_call_early(handle_protocol, handle,
> + &uga_proto, (void **)&uga);
> if (status != EFI_SUCCESS)
> continue;
>
> - efi_early->call(efi_early->handle_protocol, handle,
> - &pciio_proto, &pciio);
> + efi_call_early(handle_protocol, handle, &pciio_proto, &pciio);
>
> status = efi_early->call((unsigned long)uga->get_mode, uga,
> &w, &h, &depth, &refresh);
> @@ -904,13 +902,12 @@ setup_uga64(void **uga_handle, unsigned long size, u32 *width, u32 *height)
> void *pciio;
> u64 handle = handles[i];
>
> - status = efi_early->call(efi_early->handle_protocol, handle,
> - &uga_proto, (void **)&uga);
> + status = efi_call_early(handle_protocol, handle,
> + &uga_proto, (void **)&uga);
> if (status != EFI_SUCCESS)
> continue;
>
> - efi_early->call(efi_early->handle_protocol, handle,
> - &pciio_proto, &pciio);
> + efi_call_early(handle_protocol, handle, &pciio_proto, &pciio);
>
> status = efi_early->call((unsigned long)uga->get_mode, uga,
> &w, &h, &depth, &refresh);
> @@ -942,14 +939,14 @@ static efi_status_t setup_uga(struct screen_info *si, efi_guid_t *uga_proto,
> u32 width, height;
> void **uga_handle = NULL;
>
> - status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
> - size, (void **)&uga_handle);
> + status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
> + size, (void **)&uga_handle);
> if (status != EFI_SUCCESS)
> return status;
>
> - status = efi_early->call(efi_early->locate_handle,
> - EFI_LOCATE_BY_PROTOCOL,
> - uga_proto, NULL, &size, uga_handle);
> + status = efi_call_early(locate_handle,
> + EFI_LOCATE_BY_PROTOCOL,
> + uga_proto, NULL, &size, uga_handle);
> if (status != EFI_SUCCESS)
> goto free_handle;
>
> @@ -981,7 +978,7 @@ static efi_status_t setup_uga(struct screen_info *si, efi_guid_t *uga_proto,
> si->rsvd_pos = 24;
>
> free_handle:
> - efi_early->call(efi_early->free_pool, uga_handle);
> + efi_call_early(free_pool, uga_handle);
> return status;
> }
>
> @@ -999,17 +996,17 @@ void setup_graphics(struct boot_params *boot_params)
> memset(si, 0, sizeof(*si));
>
> size = 0;
> - status = efi_early->call(efi_early->locate_handle,
> - EFI_LOCATE_BY_PROTOCOL,
> - &graphics_proto, NULL, &size, gop_handle);
> + status = efi_call_early(locate_handle,
> + EFI_LOCATE_BY_PROTOCOL,
> + &graphics_proto, NULL, &size, gop_handle);
> if (status == EFI_BUFFER_TOO_SMALL)
> status = setup_gop(si, &graphics_proto, size);
>
> if (status != EFI_SUCCESS) {
> size = 0;
> - status = efi_early->call(efi_early->locate_handle,
> - EFI_LOCATE_BY_PROTOCOL,
> - &uga_proto, NULL, &size, uga_handle);
> + status = efi_call_early(locate_handle,
> + EFI_LOCATE_BY_PROTOCOL,
> + &uga_proto, NULL, &size, uga_handle);
> if (status == EFI_BUFFER_TOO_SMALL)
> setup_uga(si, &uga_proto, size);
> }
> @@ -1052,8 +1049,8 @@ struct boot_params *make_boot_params(struct efi_config *c)
> else
> setup_boot_services32(efi_early);
>
> - status = efi_early->call(efi_early->handle_protocol, handle,
> - &proto, (void *)&image);
> + status = efi_call_early(handle_protocol, handle,
> + &proto, (void *)&image);
> if (status != EFI_SUCCESS) {
> efi_printk(sys_table, "Failed to get handle for LOADED_IMAGE_PROTOCOL\n");
> return NULL;
> @@ -1242,13 +1239,13 @@ static efi_status_t alloc_e820ext(u32 nr_desc, struct setup_data **e820ext,
> sizeof(struct e820entry) * nr_desc;
>
> if (*e820ext) {
> - efi_early->call(efi_early->free_pool, *e820ext);
> + efi_call_early(free_pool, *e820ext);
> *e820ext = NULL;
> *e820ext_size = 0;
> }
>
> - status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
> - size, (void **)e820ext);
> + status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
> + size, (void **)e820ext);
> if (status == EFI_SUCCESS)
> *e820ext_size = size;
>
> @@ -1292,7 +1289,7 @@ get_map:
> if (status != EFI_SUCCESS)
> goto free_mem_map;
>
> - efi_early->call(efi_early->free_pool, mem_map);
> + efi_call_early(free_pool, mem_map);
> goto get_map; /* Allocated memory, get map again */
> }
>
> @@ -1311,7 +1308,7 @@ get_map:
> #endif
>
> /* Might as well exit boot services now */
> - status = efi_early->call(efi_early->exit_boot_services, handle, key);
> + status = efi_call_early(exit_boot_services, handle, key);
> if (status != EFI_SUCCESS) {
> /*
> * ExitBootServices() will fail if any of the event
> @@ -1324,7 +1321,7 @@ get_map:
> 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 @@ get_map:
> 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;
> diff --git a/drivers/firmware/efi/efi-stub-helper.c b/drivers/firmware/efi/efi-stub-helper.c
> index a0282872d97d..ff50aeebf0d9 100644
> --- a/drivers/firmware/efi/efi-stub-helper.c
> +++ b/drivers/firmware/efi/efi-stub-helper.c
> @@ -53,22 +53,22 @@ again:
> * 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 @@ again:
> 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 @@ again:
> *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 @@ close_handles:
> 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
> --
> 1.8.5.3
>
>
> --
> Matt Fleming, Intel Open Source Technology Center
--
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