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Subject[PATCH 22/25] efi/libstub: drop 'table' argument from efi_table_attr() macro
Date
None of the definitions of the efi_table_attr() still refer to
their 'table' argument so let's get rid of it entirely.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
arch/arm/include/asm/efi.h | 3 +--
arch/arm64/include/asm/efi.h | 3 +--
arch/x86/boot/compressed/eboot.c | 8 +++---
arch/x86/include/asm/efi.h | 25 +++++++------------
.../firmware/efi/libstub/efi-stub-helper.c | 11 +++-----
drivers/firmware/efi/libstub/gop.c | 9 +++----
6 files changed, 22 insertions(+), 37 deletions(-)

diff --git a/arch/arm/include/asm/efi.h b/arch/arm/include/asm/efi.h
index bdc5288cc643..bc720024a260 100644
--- a/arch/arm/include/asm/efi.h
+++ b/arch/arm/include/asm/efi.h
@@ -54,8 +54,7 @@ void efi_virtmap_unload(void);
#define efi_call_runtime(f, ...) efi_system_table()->runtime->f(__VA_ARGS__)
#define efi_is_native() (true)

-#define efi_table_attr(table, attr, instance) \
- instance->attr
+#define efi_table_attr(inst, attr) (inst->attr)

#define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__)

diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h
index 4bc1e89671ab..6f041ae446d2 100644
--- a/arch/arm64/include/asm/efi.h
+++ b/arch/arm64/include/asm/efi.h
@@ -97,8 +97,7 @@ static inline unsigned long efi_get_max_initrd_addr(unsigned long dram_base,
#define efi_call_runtime(f, ...) efi_system_table()->runtime->f(__VA_ARGS__)
#define efi_is_native() (true)

-#define efi_table_attr(table, attr, instance) \
- instance->attr
+#define efi_table_attr(inst, attr) (inst->attr)

#define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__)

diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index 751fd5fc3367..cccd9e16b329 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -47,8 +47,8 @@ preserve_pci_rom_image(efi_pci_io_protocol_t *pci, struct pci_setup_rom **__rom)
* large romsize. The UEFI spec limits the size of option ROMs to 16
* MiB so we reject any ROMs over 16 MiB in size to catch this.
*/
- romimage = efi_table_attr(efi_pci_io_protocol, romimage, pci);
- romsize = efi_table_attr(efi_pci_io_protocol, romsize, pci);
+ romimage = efi_table_attr(pci, romimage);
+ romsize = efi_table_attr(pci, romsize);
if (!romimage || !romsize || romsize > SZ_16M)
return EFI_INVALID_PARAMETER;

@@ -183,7 +183,7 @@ static void retrieve_apple_device_properties(struct boot_params *boot_params)
if (status != EFI_SUCCESS)
return;

- if (efi_table_attr(apple_properties_protocol, version, p) != 0x10000) {
+ if (efi_table_attr(p, version) != 0x10000) {
efi_printk("Unsupported properties proto version\n");
return;
}
@@ -226,7 +226,7 @@ static const efi_char16_t apple[] = L"Apple";
static void setup_quirks(struct boot_params *boot_params)
{
efi_char16_t *fw_vendor = (efi_char16_t *)(unsigned long)
- efi_table_attr(efi_system_table, fw_vendor, sys_table);
+ efi_table_attr(efi_system_table(), fw_vendor);

if (!memcmp(fw_vendor, apple, sizeof(apple))) {
if (IS_ENABLED(CONFIG_APPLE_PROPERTIES))
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index b7cd14e3a634..39814a0a92f7 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -216,16 +216,11 @@ static inline bool efi_is_native(void)
__builtin_types_compatible_p(u32, __typeof__(attr)), \
(unsigned long)(attr), (attr))

-#define efi_table_attr(table, attr, instance) ({ \
- __typeof__(instance->attr) __ret; \
- if (efi_is_native()) { \
- __ret = instance->attr; \
- } else { \
- __ret = (__typeof__(__ret)) \
- efi_mixed_mode_cast(instance->mixed_mode.attr); \
- } \
- __ret; \
-})
+#define efi_table_attr(inst, attr) \
+ (efi_is_native() \
+ ? inst->attr \
+ : (__typeof__(inst->attr)) \
+ efi_mixed_mode_cast(inst->mixed_mode.attr))

#define efi_call_proto(inst, func, ...) \
(efi_is_native() \
@@ -235,16 +230,14 @@ static inline bool efi_is_native(void)
#define efi_call_early(f, ...) \
(efi_is_native() \
? efi_system_table()->boottime->f(__VA_ARGS__) \
- : efi64_thunk(efi_table_attr(efi_boot_services, \
- boottime, efi_system_table())->mixed_mode.f, \
- __VA_ARGS__))
+ : efi64_thunk(efi_table_attr(efi_system_table(), \
+ boottime)->mixed_mode.f, __VA_ARGS__))

#define efi_call_runtime(f, ...) \
(efi_is_native() \
? efi_system_table()->runtime->f(__VA_ARGS__) \
- : efi64_thunk(efi_table_attr(efi_runtime_services, \
- runtime, efi_system_table())->mixed_mode.f, \
- __VA_ARGS__))
+ : efi64_thunk(efi_table_attr(efi_system_table(), \
+ runtime)->mixed_mode.f, __VA_ARGS__))

extern bool efi_reboot_required(void);
extern bool efi_is_table_address(unsigned long phys_addr);
diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c
index 48eab7b9d066..8754ec04788b 100644
--- a/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ b/drivers/firmware/efi/libstub/efi-stub-helper.c
@@ -933,17 +933,15 @@ efi_status_t efi_exit_boot_services(void *handle,

void *get_efi_config_table(efi_guid_t guid)
{
- unsigned long tables = efi_table_attr(efi_system_table, tables,
- efi_system_table());
- int nr_tables = efi_table_attr(efi_system_table, nr_tables,
- efi_system_table());
+ unsigned long tables = efi_table_attr(efi_system_table(), tables);
+ int nr_tables = efi_table_attr(efi_system_table(), nr_tables);
int i;

for (i = 0; i < nr_tables; i++) {
efi_config_table_t *t = (void *)tables;

if (efi_guidcmp(t->guid, guid) == 0)
- return efi_table_attr(efi_config_table, table, t);
+ return efi_table_attr(t, table);

tables += efi_is_native() ? sizeof(efi_config_table_t)
: sizeof(efi_config_table_32_t);
@@ -953,7 +951,6 @@ void *get_efi_config_table(efi_guid_t guid)

void efi_char16_printk(efi_char16_t *str)
{
- efi_call_proto(efi_table_attr(efi_system_table, con_out,
- efi_system_table()),
+ efi_call_proto(efi_table_attr(efi_system_table(), con_out),
output_string, str);
}
diff --git a/drivers/firmware/efi/libstub/gop.c b/drivers/firmware/efi/libstub/gop.c
index c3afe8d4a688..8f746282c219 100644
--- a/drivers/firmware/efi/libstub/gop.c
+++ b/drivers/firmware/efi/libstub/gop.c
@@ -85,9 +85,6 @@ setup_pixel_info(struct screen_info *si, u32 pixels_per_scan_line,
}
}

-#define efi_gop_attr(table, attr, instance) \
- (efi_table_attr(efi_graphics_output_protocol##table, attr, instance))
-
static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
unsigned long size, void **handles)
{
@@ -123,9 +120,9 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
if (status == EFI_SUCCESS)
conout_found = true;

- mode = (void *)(unsigned long)efi_gop_attr(, mode, gop);
- info = (void *)(unsigned long)efi_gop_attr(_mode, info, mode);
- current_fb_base = efi_gop_attr(_mode, frame_buffer_base, mode);
+ mode = efi_table_attr(gop, mode);
+ info = efi_table_attr(mode, info);
+ current_fb_base = efi_table_attr(mode, frame_buffer_base);

if ((!first_gop || conout_found) &&
info->pixel_format != PIXEL_BLT_ONLY) {
--
2.20.1
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