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-rw-r--r--arch/arm/cpu/armv8/fwcall.c11
-rw-r--r--arch/arm/mach-bcm283x/reset.c11
-rw-r--r--cmd/bootefi.c9
-rw-r--r--disk/part_efi.c9
-rw-r--r--include/efi.h3
-rw-r--r--include/pe.h3
-rw-r--r--lib/efi_loader/efi_image_loader.c14
-rw-r--r--lib/efi_loader/efi_runtime.c4
-rw-r--r--scripts/Makefile.lib10
9 files changed, 54 insertions, 20 deletions
diff --git a/arch/arm/cpu/armv8/fwcall.c b/arch/arm/cpu/armv8/fwcall.c
index c5aa41a0e6..0ba3dad8cc 100644
--- a/arch/arm/cpu/armv8/fwcall.c
+++ b/arch/arm/cpu/armv8/fwcall.c
@@ -143,15 +143,12 @@ void __efi_runtime EFIAPI efi_reset_system(
efi_status_t reset_status,
unsigned long data_size, void *reset_data)
{
- switch (reset_type) {
- case EFI_RESET_COLD:
- case EFI_RESET_WARM:
- case EFI_RESET_PLATFORM_SPECIFIC:
+ if (reset_type == EFI_RESET_COLD ||
+ reset_type == EFI_RESET_WARM ||
+ reset_type == EFI_RESET_PLATFORM_SPECIFIC) {
psci_system_reset();
- break;
- case EFI_RESET_SHUTDOWN:
+ } else if (reset_type == EFI_RESET_SHUTDOWN) {
psci_system_off();
- break;
}
while (1) { }
diff --git a/arch/arm/mach-bcm283x/reset.c b/arch/arm/mach-bcm283x/reset.c
index f8a17755e3..7712d4664c 100644
--- a/arch/arm/mach-bcm283x/reset.c
+++ b/arch/arm/mach-bcm283x/reset.c
@@ -59,13 +59,11 @@ void __efi_runtime EFIAPI efi_reset_system(
{
u32 val;
- switch (reset_type) {
- case EFI_RESET_COLD:
- case EFI_RESET_WARM:
- case EFI_RESET_PLATFORM_SPECIFIC:
+ if (reset_type == EFI_RESET_COLD ||
+ reset_type == EFI_RESET_WARM ||
+ reset_type == EFI_RESET_PLATFORM_SPECIFIC) {
reset_cpu(0);
- break;
- case EFI_RESET_SHUTDOWN:
+ } else if (reset_type == EFI_RESET_SHUTDOWN) {
/*
* We set the watchdog hard reset bit here to distinguish this reset
* from the normal (full) reset. bootcode.bin will not reboot after a
@@ -76,7 +74,6 @@ void __efi_runtime EFIAPI efi_reset_system(
val |= BCM2835_WDOG_RSTS_RASPBERRYPI_HALT;
writel(val, &wdog_regs->rsts);
reset_cpu(0);
- break;
}
while (1) { }
diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index 707d159bac..f55a40dc84 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -263,6 +263,7 @@ static efi_status_t do_bootefi_exec(void *efi,
{
struct efi_loaded_image loaded_image_info = {};
struct efi_object loaded_image_info_obj = {};
+ struct efi_object mem_obj = {};
struct efi_device_path *memdp = NULL;
efi_status_t ret;
@@ -279,6 +280,12 @@ static efi_status_t do_bootefi_exec(void *efi,
/* actual addresses filled in after efi_load_pe() */
memdp = efi_dp_from_mem(0, 0, 0);
device_path = image_path = memdp;
+ efi_add_handle(&mem_obj);
+
+ ret = efi_add_protocol(mem_obj.handle, &efi_guid_device_path,
+ device_path);
+ if (ret != EFI_SUCCESS)
+ goto exit;
} else {
assert(device_path && image_path);
}
@@ -343,6 +350,8 @@ static efi_status_t do_bootefi_exec(void *efi,
exit:
/* image has returned, loaded-image obj goes *poof*: */
list_del(&loaded_image_info_obj.link);
+ if (mem_obj.handle)
+ list_del(&mem_obj.link);
return ret;
}
diff --git a/disk/part_efi.c b/disk/part_efi.c
index 5c1039f013..2945892a24 100644
--- a/disk/part_efi.c
+++ b/disk/part_efi.c
@@ -23,6 +23,11 @@
DECLARE_GLOBAL_DATA_PTR;
+/*
+ * GUID for basic data partions.
+ */
+static const efi_guid_t partition_basic_data_guid = PARTITION_BASIC_DATA_GUID;
+
#ifdef CONFIG_HAVE_BLOCK_DEVICE
/**
* efi_crc32() - EFI version of crc32 function
@@ -502,12 +507,12 @@ int gpt_fill_pte(struct blk_desc *dev_desc,
} else {
/* default partition type GUID */
memcpy(bin_type_guid,
- &PARTITION_BASIC_DATA_GUID, 16);
+ &partition_basic_data_guid, 16);
}
#else
/* partition type GUID */
memcpy(gpt_e[i].partition_type_guid.b,
- &PARTITION_BASIC_DATA_GUID, 16);
+ &partition_basic_data_guid, 16);
#endif
#if CONFIG_IS_ENABLED(PARTITION_UUIDS)
diff --git a/include/efi.h b/include/efi.h
index 98bddbac1a..e30a3c51c6 100644
--- a/include/efi.h
+++ b/include/efi.h
@@ -89,12 +89,11 @@ typedef u64 efi_virtual_addr_t;
typedef void *efi_handle_t;
#define EFI_GUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
- ((efi_guid_t) \
{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, \
((a) >> 24) & 0xff, \
(b) & 0xff, ((b) >> 8) & 0xff, \
(c) & 0xff, ((c) >> 8) & 0xff, \
- (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) } })
+ (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) } }
/* Generic EFI table header */
struct efi_table_hdr {
diff --git a/include/pe.h b/include/pe.h
index d73eb142cb..36e1908b7e 100644
--- a/include/pe.h
+++ b/include/pe.h
@@ -201,10 +201,13 @@ typedef struct _IMAGE_RELOCATION
#define IMAGE_REL_BASED_MIPS_JMPADDR 5
#define IMAGE_REL_BASED_ARM_MOV32A 5 /* yes, 5 too */
#define IMAGE_REL_BASED_ARM_MOV32 5 /* yes, 5 too */
+#define IMAGE_REL_BASED_RISCV_HI20 5 /* yes, 5 too */
#define IMAGE_REL_BASED_SECTION 6
#define IMAGE_REL_BASED_REL 7
#define IMAGE_REL_BASED_ARM_MOV32T 7 /* yes, 7 too */
#define IMAGE_REL_BASED_THUMB_MOV32 7 /* yes, 7 too */
+#define IMAGE_REL_BASED_RISCV_LOW12I 7 /* yes, 7 too */
+#define IMAGE_REL_BASED_RISCV_LOW12S 8
#define IMAGE_REL_BASED_MIPS_JMPADDR16 9
#define IMAGE_REL_BASED_IA64_IMM64 9 /* yes, 9 too */
#define IMAGE_REL_BASED_DIR64 10
diff --git a/lib/efi_loader/efi_image_loader.c b/lib/efi_loader/efi_image_loader.c
index 3cffe9ef46..ecdb77e5b6 100644
--- a/lib/efi_loader/efi_image_loader.c
+++ b/lib/efi_loader/efi_image_loader.c
@@ -126,6 +126,20 @@ static efi_status_t efi_loader_relocate(const IMAGE_BASE_RELOCATION *rel,
case IMAGE_REL_BASED_DIR64:
*x64 += (uint64_t)delta;
break;
+#ifdef __riscv
+ case IMAGE_REL_BASED_RISCV_HI20:
+ *x32 = ((*x32 & 0xfffff000) + (uint32_t)delta) |
+ (*x32 & 0x00000fff);
+ break;
+ case IMAGE_REL_BASED_RISCV_LOW12I:
+ case IMAGE_REL_BASED_RISCV_LOW12S:
+ /* We know that we're 4k aligned */
+ if (delta & 0xfff) {
+ printf("Unsupported reloc offset\n");
+ return EFI_LOAD_ERROR;
+ }
+ break;
+#endif
default:
printf("Unknown Relocation off %x type %x\n",
offset, type);
diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c
index 65f2bcf140..4874eb602f 100644
--- a/lib/efi_loader/efi_runtime.c
+++ b/lib/efi_loader/efi_runtime.c
@@ -28,6 +28,10 @@ static efi_status_t __efi_runtime EFIAPI efi_unimplemented(void);
static efi_status_t __efi_runtime EFIAPI efi_device_error(void);
static efi_status_t __efi_runtime EFIAPI efi_invalid_parameter(void);
+/*
+ * TODO(sjg@chromium.org): These defines and structs should come from the elf
+ * header for each arch (or a generic header) rather than being repeated here.
+ */
#if defined(CONFIG_ARM64)
#define R_RELATIVE 1027
#define R_MASK 0xffffffffULL
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 2a7d73432d..f8c3fff1d1 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -385,8 +385,14 @@ cmd_efi_ld = $(LD) -nostdlib -znocombreloc -T $(EFI_LDS_PATH) -shared \
EFI_LDS_PATH = $(srctree)/arch/$(ARCH)/lib/$(EFI_LDS)
-$(obj)/%_efi.so: $(obj)/%.o arch/$(ARCH)/lib/$(EFI_CRT0) \
- arch/$(ARCH)/lib/$(EFI_RELOC)
+$(obj)/efi_crt0.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_CRT0:.o=.S)
+ $(call if_changed_dep,as_o_S)
+
+$(obj)/efi_reloc.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_RELOC:.o=.c) $(recordmcount_source) FORCE
+ $(call cmd,force_checksrc)
+ $(call if_changed_rule,cc_o_c)
+
+$(obj)/%_efi.so: $(obj)/%.o $(obj)/efi_crt0.o $(obj)/efi_reloc.o
$(call cmd,efi_ld)
# ACPI
generated by cgit (git 2.34.1) at 2025-01-10 07:46:41 +0000