drivers/intel/fsp2_0: Fix running on x86_64
Add new Kconfig symbols to mark FSP binary as x86_32.
Fix the FSP headers and replace void pointers by fixed sized integers
depending on the used mode to compile the FSP.
This issue has been reported here:
https://github.com/intel/FSP/issues/59
This is necessary to run on x86_64, as pointers have different size.
Add preprocessor error to warn that x86_64 FSP isn't supported by the
current code.
Tested on Intel Skylake. FSP-M no longer returns the error "Invalid
Parameter".
Change-Id: I6015005c4ee3fc2f361985cf8cff896bcefd04fb
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48174
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/drivers/intel/fsp2_0/Kconfig b/src/drivers/intel/fsp2_0/Kconfig
index 14d9742..3cff8fa 100644
--- a/src/drivers/intel/fsp2_0/Kconfig
+++ b/src/drivers/intel/fsp2_0/Kconfig
@@ -31,6 +31,13 @@
if PLATFORM_USES_FSP2_0
+config PLATFORM_USES_FSP2_X86_32
+ bool
+ default y
+ help
+ The FSP 2.0 runs in x86_32 protected mode.
+ Once there's a x86_64 FSP this needs to default to n.
+
config HAVE_INTEL_FSP_REPO
bool
help
diff --git a/src/drivers/intel/fsp2_0/header_display.c b/src/drivers/intel/fsp2_0/header_display.c
index a134fed..4f93666 100644
--- a/src/drivers/intel/fsp2_0/header_display.c
+++ b/src/drivers/intel/fsp2_0/header_display.c
@@ -19,24 +19,24 @@
printk(BIOS_SPEW, "Type: %s/%s\n",
(hdr->component_attribute & 1) ? "release" : "debug",
(hdr->component_attribute & 2) ? "official" : "test");
- printk(BIOS_SPEW, "image ID: %s, base 0x%lx + 0x%zx\n",
- hdr->image_id, hdr->image_base, hdr->image_size);
+ printk(BIOS_SPEW, "image ID: %s, base 0x%zx + 0x%zx\n",
+ hdr->image_id, (size_t)hdr->image_base, (size_t)hdr->image_size);
printk(BIOS_SPEW, "\tConfig region 0x%zx + 0x%zx\n",
- hdr->cfg_region_offset, hdr->cfg_region_size);
+ (size_t)hdr->cfg_region_offset, (size_t)hdr->cfg_region_size);
if ((hdr->component_attribute >> 12) == FSP_HDR_ATTRIB_FSPM) {
printk(BIOS_SPEW, "\tMemory init offset 0x%zx\n",
- hdr->memory_init_entry_offset);
+ (size_t)hdr->memory_init_entry_offset);
}
if ((hdr->component_attribute >> 12) == FSP_HDR_ATTRIB_FSPS) {
printk(BIOS_SPEW, "\tSilicon init offset 0x%zx\n",
- hdr->silicon_init_entry_offset);
+ (size_t)hdr->silicon_init_entry_offset);
if (CONFIG(PLATFORM_USES_FSP2_2))
printk(BIOS_SPEW, "\tMultiPhaseSiInit offset 0x%zx\n",
- hdr->multi_phase_si_init_entry_offset);
+ (size_t)hdr->multi_phase_si_init_entry_offset);
printk(BIOS_SPEW, "\tNotify phase offset 0x%zx\n",
- hdr->notify_phase_entry_offset);
+ (size_t)hdr->notify_phase_entry_offset);
}
}
diff --git a/src/drivers/intel/fsp2_0/include/fsp/info_header.h b/src/drivers/intel/fsp2_0/include/fsp/info_header.h
index f237a37..aa9a435 100644
--- a/src/drivers/intel/fsp2_0/include/fsp/info_header.h
+++ b/src/drivers/intel/fsp2_0/include/fsp/info_header.h
@@ -4,6 +4,7 @@
#define _FSP2_0_INFO_HEADER_H_
#include <types.h>
+#include <commonlib/bsd/compiler.h>
#define FSP_HDR_OFFSET 0x94
#if CONFIG(PLATFORM_USES_FSP2_2)
@@ -16,24 +17,29 @@
#define FSP_HDR_ATTRIB_FSPM 2
#define FSP_HDR_ATTRIB_FSPS 3
+#if CONFIG(PLATFORM_USES_FSP2_X86_32)
struct fsp_header {
uint32_t fsp_revision;
- size_t image_size;
- uintptr_t image_base;
+ uint32_t image_size;
+ uint32_t image_base;
uint16_t image_attribute;
uint8_t spec_version;
uint16_t component_attribute;
- size_t cfg_region_offset;
- size_t cfg_region_size;
- size_t temp_ram_init_entry;
- size_t temp_ram_exit_entry;
- size_t notify_phase_entry_offset;
- size_t memory_init_entry_offset;
- size_t silicon_init_entry_offset;
- size_t multi_phase_si_init_entry_offset;
+ uint32_t cfg_region_offset;
+ uint32_t cfg_region_size;
+ uint32_t temp_ram_init_entry;
+ uint32_t temp_ram_exit_entry;
+ uint32_t notify_phase_entry_offset;
+ uint32_t memory_init_entry_offset;
+ uint32_t silicon_init_entry_offset;
+ uint32_t multi_phase_si_init_entry_offset;
char image_id[sizeof(uint64_t) + 1];
uint8_t revision;
-};
+} __packed;
+#else
+#error You need to implement this struct for x86_64 FSP
+#endif
+
enum cb_err fsp_identify(struct fsp_header *hdr, const void *fsp_blob);
diff --git a/src/drivers/intel/fsp2_0/include/fsp/upd.h b/src/drivers/intel/fsp2_0/include/fsp/upd.h
index 979cff3..827c95d 100644
--- a/src/drivers/intel/fsp2_0/include/fsp/upd.h
+++ b/src/drivers/intel/fsp2_0/include/fsp/upd.h
@@ -21,6 +21,7 @@
uint8_t Reserved[23];
} __packed;
+#if CONFIG(PLATFORM_USES_FSP2_X86_32)
struct FSPM_ARCH_UPD {
///
/// Revision of the structure. For FSP v2.0 value is 1.
@@ -31,12 +32,12 @@
/// Pointer to the non-volatile storage (NVS) data buffer.
/// If it is NULL it indicates the NVS data is not available.
///
- void *NvsBufferPtr;
+ uint32_t NvsBufferPtr;
///
/// Pointer to the temporary stack base address to be
/// consumed inside FspMemoryInit() API.
///
- void *StackBase;
+ uint32_t StackBase;
///
/// Temporary stack size to be consumed inside
/// FspMemoryInit() API.
@@ -53,7 +54,11 @@
uint32_t BootMode;
uint8_t Reserved1[8];
} __packed;
+#else
+#error You need to implement this struct for x86_64 FSP
+#endif
+#endif
struct FSPS_ARCH_UPD {
///
/// Revision of the structure. For FSP v2.2 value is 1.
diff --git a/src/drivers/intel/fsp2_0/memory_init.c b/src/drivers/intel/fsp2_0/memory_init.c
index 92f3d9d..f2fcec4 100644
--- a/src/drivers/intel/fsp2_0/memory_init.c
+++ b/src/drivers/intel/fsp2_0/memory_init.c
@@ -87,7 +87,7 @@
void *data;
size_t mrc_size;
- arch_upd->NvsBufferPtr = NULL;
+ arch_upd->NvsBufferPtr = 0;
if (!CONFIG(CACHE_MRC_SETTINGS))
return;
@@ -101,7 +101,7 @@
return;
/* MRC cache found */
- arch_upd->NvsBufferPtr = data;
+ arch_upd->NvsBufferPtr = (uintptr_t)data;
printk(BIOS_SPEW, "MRC cache found, size %zx\n", mrc_size);
}
@@ -142,7 +142,7 @@
stack_end) != CB_SUCCESS)
return CB_ERR;
- arch_upd->StackBase = (void *)stack_begin;
+ arch_upd->StackBase = stack_begin;
return CB_SUCCESS;
}
@@ -159,7 +159,7 @@
* Non-CAR FSP 2.0 platforms pass a DRAM location for the FSP stack.
*/
if (CONFIG(FSP_USES_CB_STACK) || !ENV_CACHE_AS_RAM) {
- arch_upd->StackBase = temp_ram;
+ arch_upd->StackBase = (uintptr_t)temp_ram;
arch_upd->StackSize = sizeof(temp_ram);
} else if (setup_fsp_stack_frame(arch_upd, memmap)) {
return CB_ERR;
@@ -237,7 +237,7 @@
fsp_version = fsp_memory_settings_version(hdr);
- upd = (FSPM_UPD *)(hdr->cfg_region_offset + hdr->image_base);
+ upd = (FSPM_UPD *)(uintptr_t)(hdr->cfg_region_offset + hdr->image_base);
fsp_verify_upd_header_signature(upd->FspUpdHeader.Signature, FSPM_UPD_SIGNATURE);
@@ -289,12 +289,12 @@
post_code(POST_MEM_PREINIT_PREP_END);
/* Call FspMemoryInit */
- fsp_raminit = (void *)(hdr->image_base + hdr->memory_init_entry_offset);
+ fsp_raminit = (void *)(uintptr_t)(hdr->image_base + hdr->memory_init_entry_offset);
fsp_debug_before_memory_init(fsp_raminit, upd, &fspm_upd);
post_code(POST_FSP_MEMORY_INIT);
timestamp_add_now(TS_FSP_MEMORY_INIT_START);
- if (ENV_X86_64)
+ if (ENV_X86_64 && CONFIG(PLATFORM_USES_FSP2_X86_32))
status = protected_mode_call_2arg(fsp_raminit,
(uintptr_t)&fspm_upd,
(uintptr_t)fsp_get_hob_list_ptr());
diff --git a/src/drivers/intel/fsp2_0/notify.c b/src/drivers/intel/fsp2_0/notify.c
index 8a51c0b..cbccc6e 100644
--- a/src/drivers/intel/fsp2_0/notify.c
+++ b/src/drivers/intel/fsp2_0/notify.c
@@ -16,7 +16,7 @@
if (!fsps_hdr.notify_phase_entry_offset)
die("Notify_phase_entry_offset is zero!\n");
- fspnotify = (void *) (fsps_hdr.image_base +
+ fspnotify = (void *) (uintptr_t)(fsps_hdr.image_base +
fsps_hdr.notify_phase_entry_offset);
fsp_before_debug_notify(fspnotify, ¬ify_params);
@@ -31,7 +31,7 @@
post_code(POST_FSP_NOTIFY_BEFORE_END_OF_FIRMWARE);
}
- if (ENV_X86_64)
+ if (ENV_X86_64 && CONFIG(PLATFORM_USES_FSP2_X86_32))
ret = protected_mode_call_1arg(fspnotify, (uintptr_t)¬ify_params);
else
ret = fspnotify(¬ify_params);
diff --git a/src/drivers/intel/fsp2_0/silicon_init.c b/src/drivers/intel/fsp2_0/silicon_init.c
index 26ff59d..8572b24 100644
--- a/src/drivers/intel/fsp2_0/silicon_init.c
+++ b/src/drivers/intel/fsp2_0/silicon_init.c
@@ -86,7 +86,7 @@
struct fsp_multi_phase_params multi_phase_params;
struct fsp_multi_phase_get_number_of_phases_params multi_phase_get_number;
- supd = (FSPS_UPD *) (hdr->cfg_region_offset + hdr->image_base);
+ supd = (FSPS_UPD *) (uintptr_t)(hdr->cfg_region_offset + hdr->image_base);
fsp_verify_upd_header_signature(supd->FspUpdHeader.Signature, FSPS_UPD_SIGNATURE);
@@ -110,14 +110,14 @@
logo_entry = soc_load_logo(upd);
/* Call SiliconInit */
- silicon_init = (void *) (hdr->image_base +
+ silicon_init = (void *) (uintptr_t)(hdr->image_base +
hdr->silicon_init_entry_offset);
fsp_debug_before_silicon_init(silicon_init, supd, upd);
timestamp_add_now(TS_FSP_SILICON_INIT_START);
post_code(POST_FSP_SILICON_INIT);
- if (ENV_X86_64)
+ if (ENV_X86_64 && CONFIG(PLATFORM_USES_FSP2_X86_32))
status = protected_mode_call_1arg(silicon_init, (uintptr_t)upd);
else
status = silicon_init(upd);
@@ -145,7 +145,7 @@
return;
/* Call MultiPhaseSiInit */
- multi_phase_si_init = (void *) (hdr->image_base +
+ multi_phase_si_init = (void *) (uintptr_t)(hdr->image_base +
hdr->multi_phase_si_init_entry_offset);
/* Implementing multi_phase_si_init() is optional as per FSP 2.2 spec */
diff --git a/src/mainboard/google/hatch/romstage_spd_smbus.c b/src/mainboard/google/hatch/romstage_spd_smbus.c
index e697379..3d84e52 100644
--- a/src/mainboard/google/hatch/romstage_spd_smbus.c
+++ b/src/mainboard/google/hatch/romstage_spd_smbus.c
@@ -28,10 +28,10 @@
printk(BIOS_WARNING, "Invalid SPD cache\n");
} else {
dimm_changed = check_if_dimm_changed(spd_cache, &blk);
- if (dimm_changed && memupd->FspmArchUpd.NvsBufferPtr != NULL) {
+ if (dimm_changed && memupd->FspmArchUpd.NvsBufferPtr != 0) {
/* Set mrc_cache as invalid */
printk(BIOS_INFO, "Set mrc_cache as invalid\n");
- memupd->FspmArchUpd.NvsBufferPtr = NULL;
+ memupd->FspmArchUpd.NvsBufferPtr = 0;
}
}
need_update_cache = true;
diff --git a/src/mainboard/purism/librem_cnl/romstage.c b/src/mainboard/purism/librem_cnl/romstage.c
index fd3154f..5d92316 100644
--- a/src/mainboard/purism/librem_cnl/romstage.c
+++ b/src/mainboard/purism/librem_cnl/romstage.c
@@ -59,10 +59,10 @@
printk(BIOS_WARNING, "Invalid SPD cache\n");
} else {
dimm_changed = check_if_dimm_changed(spd_cache, &blk);
- if (dimm_changed && memupd->FspmArchUpd.NvsBufferPtr != NULL) {
+ if (dimm_changed && memupd->FspmArchUpd.NvsBufferPtr != 0) {
/* Set mrc_cache as invalid */
printk(BIOS_INFO, "Set mrc_cache as invalid\n");
- memupd->FspmArchUpd.NvsBufferPtr = NULL;
+ memupd->FspmArchUpd.NvsBufferPtr = 0;
}
}
need_update_cache = true;
diff --git a/src/soc/amd/picasso/romstage.c b/src/soc/amd/picasso/romstage.c
index bc51456..1391536 100644
--- a/src/soc/amd/picasso/romstage.c
+++ b/src/soc/amd/picasso/romstage.c
@@ -92,7 +92,7 @@
FSP_M_CONFIG *mcfg = &mupd->FspmConfig;
const struct soc_amd_picasso_config *config = config_of_soc();
- mupd->FspmArchUpd.NvsBufferPtr = soc_fill_mrc_cache();
+ mupd->FspmArchUpd.NvsBufferPtr = (uintptr_t)soc_fill_mrc_cache();
mcfg->pci_express_base_addr = CONFIG_MMCONF_BASE_ADDRESS;
mcfg->tseg_size = CONFIG_SMM_TSEG_SIZE;
diff --git a/src/soc/intel/quark/romstage/fsp_params.c b/src/soc/intel/quark/romstage/fsp_params.c
index efe3c10..11f7059 100644
--- a/src/soc/intel/quark/romstage/fsp_params.c
+++ b/src/soc/intel/quark/romstage/fsp_params.c
@@ -84,7 +84,7 @@
/* Update the architectural UPD values. */
aupd = &fspm_upd->FspmArchUpd;
aupd->BootLoaderTolumSize = cbmem_overhead_size();
- aupd->StackBase = (void *)(CONFIG_FSP_ESRAM_LOC - aupd->StackSize);
+ aupd->StackBase = (uintptr_t)(CONFIG_FSP_ESRAM_LOC - aupd->StackSize);
aupd->BootMode = FSP_BOOT_WITH_FULL_CONFIGURATION;
/* Display the ESRAM layout */
@@ -97,8 +97,8 @@
"+-------------------+ 0x%08x (CONFIG_FSP_ESRAM_LOC)\n",
CONFIG_FSP_ESRAM_LOC);
printk(BIOS_SPEW, "| FSP stack |\n");
- printk(BIOS_SPEW, "+-------------------+ %p\n",
- aupd->StackBase);
+ printk(BIOS_SPEW, "+-------------------+ 0x%zx\n",
+ (size_t)aupd->StackBase);
printk(BIOS_SPEW, "| |\n");
printk(BIOS_SPEW, "+-------------------+ %p\n",
_car_unallocated_start);
diff --git a/src/vendorcode/amd/fsp/cezanne/fsp_h_c99.h b/src/vendorcode/amd/fsp/cezanne/fsp_h_c99.h
index c477a4f..1a295f5 100644
--- a/src/vendorcode/amd/fsp/cezanne/fsp_h_c99.h
+++ b/src/vendorcode/amd/fsp/cezanne/fsp_h_c99.h
@@ -35,11 +35,15 @@
_Static_assert(sizeof(FSP_UPD_HEADER) == 32, "FSP_UPD_HEADER not packed");
+
+#if CONFIG(PLATFORM_USES_FSP2_X86_32)
typedef struct __packed {
uint8_t Revision;
uint8_t Reserved[3];
- void *NvsBufferPtr;
- void *StackBase;
+ /* Note: This ought to be void*, but that won't allow calling this binary on x86_64. */
+ uint32_t NvsBufferPtr;
+ /* Note: This ought to be void*, but that won't allow calling this binary on x86_64. */
+ uint32_t StackBase;
uint32_t StackSize;
uint32_t BootLoaderTolumSize;
uint32_t BootMode;
@@ -47,5 +51,8 @@
} FSPM_ARCH_UPD;
_Static_assert(sizeof(FSPM_ARCH_UPD) == 32, "FSPM_ARCH_UPD not packed");
+#else
+#error You need to implement this struct for x86_64 FSP
+#endif
#endif /* FSP_H_C99_H */
diff --git a/src/vendorcode/amd/fsp/picasso/fsp_h_c99.h b/src/vendorcode/amd/fsp/picasso/fsp_h_c99.h
index c477a4f..79ef925 100644
--- a/src/vendorcode/amd/fsp/picasso/fsp_h_c99.h
+++ b/src/vendorcode/amd/fsp/picasso/fsp_h_c99.h
@@ -35,11 +35,14 @@
_Static_assert(sizeof(FSP_UPD_HEADER) == 32, "FSP_UPD_HEADER not packed");
+#if CONFIG(PLATFORM_USES_FSP2_X86_32)
typedef struct __packed {
uint8_t Revision;
uint8_t Reserved[3];
- void *NvsBufferPtr;
- void *StackBase;
+ /* Note: This ought to be void*, but that won't allow calling this binary on x86_64. */
+ uint32_t NvsBufferPtr;
+ /* Note: This ought to be void*, but that won't allow calling this binary on x86_64. */
+ uint32_t StackBase;
uint32_t StackSize;
uint32_t BootLoaderTolumSize;
uint32_t BootMode;
@@ -47,5 +50,8 @@
} FSPM_ARCH_UPD;
_Static_assert(sizeof(FSPM_ARCH_UPD) == 32, "FSPM_ARCH_UPD not packed");
+#else
+#error You need to implement this struct for x86_64 FSP
+#endif
#endif /* FSP_H_C99_H */
diff --git a/src/vendorcode/intel/edk2/UDK2015/IntelFsp2Pkg/Include/FspEas/FspApi.h b/src/vendorcode/intel/edk2/UDK2015/IntelFsp2Pkg/Include/FspEas/FspApi.h
index c58b169..df2b7dc 100644
--- a/src/vendorcode/intel/edk2/UDK2015/IntelFsp2Pkg/Include/FspEas/FspApi.h
+++ b/src/vendorcode/intel/edk2/UDK2015/IntelFsp2Pkg/Include/FspEas/FspApi.h
@@ -50,6 +50,7 @@
UINT8 Reserved[23];
} FSP_UPD_HEADER;
+#if CONFIG(PLATFORM_USES_FSP2_X86_32)
///
/// FSPM_ARCH_UPD Configuration.
///
@@ -63,12 +64,16 @@
/// Pointer to the non-volatile storage (NVS) data buffer.
/// If it is NULL it indicates the NVS data is not available.
///
- VOID *NvsBufferPtr;
+ /// Note: This ought to be VOID*, but that won't allow calling this binary on x86_64.
+ ///
+ UINT32 NvsBufferPtr;
///
/// Pointer to the temporary stack base address to be
/// consumed inside FspMemoryInit() API.
///
- VOID *StackBase;
+ /// Note: This ought to be VOID*, but that won't allow calling this binary on x86_64.
+ ///
+ UINT32 StackBase;
///
/// Temporary stack size to be consumed inside
/// FspMemoryInit() API.
@@ -85,6 +90,9 @@
UINT32 BootMode;
UINT8 Reserved1[8];
} FSPM_ARCH_UPD;
+#else
+#error You need to implement this struct for x86_64 FSP
+#endif
///
/// FSPT_UPD_COMMON Configuration.
diff --git a/src/vendorcode/intel/edk2/UDK2017/IntelFsp2Pkg/Include/FspEas/FspApi.h b/src/vendorcode/intel/edk2/UDK2017/IntelFsp2Pkg/Include/FspEas/FspApi.h
index 29c98ee..c22b701 100644
--- a/src/vendorcode/intel/edk2/UDK2017/IntelFsp2Pkg/Include/FspEas/FspApi.h
+++ b/src/vendorcode/intel/edk2/UDK2017/IntelFsp2Pkg/Include/FspEas/FspApi.h
@@ -50,6 +50,7 @@
UINT8 Reserved[23];
} FSP_UPD_HEADER;
+#if CONFIG(PLATFORM_USES_FSP2_X86_32)
///
/// FSPM_ARCH_UPD Configuration.
///
@@ -63,12 +64,16 @@
/// Pointer to the non-volatile storage (NVS) data buffer.
/// If it is NULL it indicates the NVS data is not available.
///
- VOID *NvsBufferPtr;
+ /// Note: This ought to be VOID*, but that won't allow calling this binary on x86_64.
+ ///
+ UINT32 NvsBufferPtr;
///
/// Pointer to the temporary stack base address to be
/// consumed inside FspMemoryInit() API.
///
- VOID *StackBase;
+ /// Note: This ought to be VOID*, but that won't allow calling this binary on x86_64.
+ ///
+ UINT32 StackBase;
///
/// Temporary stack size to be consumed inside
/// FspMemoryInit() API.
@@ -85,6 +90,9 @@
UINT32 BootMode;
UINT8 Reserved1[8];
} FSPM_ARCH_UPD;
+#else
+#error You need to implement this struct for x86_64 FSP
+#endif
///
/// FSPT_UPD_COMMON Configuration.
diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/IntelFsp2Pkg/Include/FspEas/FspApi.h b/src/vendorcode/intel/edk2/edk2-stable202005/IntelFsp2Pkg/Include/FspEas/FspApi.h
index eb9ce86..8314f0b 100644
--- a/src/vendorcode/intel/edk2/edk2-stable202005/IntelFsp2Pkg/Include/FspEas/FspApi.h
+++ b/src/vendorcode/intel/edk2/edk2-stable202005/IntelFsp2Pkg/Include/FspEas/FspApi.h
@@ -128,6 +128,7 @@
UINT8 Reserved1[20];
} FSPT_ARCH_UPD;
+#if CONFIG(PLATFORM_USES_FSP2_X86_32)
///
/// FSPM_ARCH_UPD Configuration.
///
@@ -141,12 +142,16 @@
/// Pointer to the non-volatile storage (NVS) data buffer.
/// If it is NULL it indicates the NVS data is not available.
///
- VOID *NvsBufferPtr;
+ /// Note: This ought to be VOID*, but that won't allow calling this binary on x86_64.
+ ///
+ UINT32 NvsBufferPtr;
///
/// Pointer to the temporary stack base address to be
/// consumed inside FspMemoryInit() API.
///
- VOID *StackBase;
+ /// Note: This ought to be VOID*, but that won't allow calling this binary on x86_64.
+ ///
+ UINT32 StackBase;
///
/// Temporary stack size to be consumed inside
/// FspMemoryInit() API.
@@ -165,9 +170,14 @@
/// Optional event handler for the bootloader to be informed of events occurring during FSP execution.
/// This value is only valid if Revision is >= 2.
///
- FSP_EVENT_HANDLER *FspEventHandler;
+ /// Note: This ought to be FSP_EVENT_HANDLER*, but that won't allow calling this binary on x86_64.
+ ///
+ UINT32 FspEventHandler;
UINT8 Reserved1[4];
} FSPM_ARCH_UPD;
+#else
+#error You need to implement this struct for x86_64 FSP
+#endif
typedef struct {
///