[PATCH 15/16] efi: LoongArch: Define LoongArch bits everywhere

[Jiaxun Yang]

They are all coming from UEFI spec, Microsoft PE sepc,
or IANA websites.

Signed-off-by: Jiaxun Yang <jiaxun.yang at flygoat.com>
---
 boot/bootmeth_efi.c                               | 2 ++
 include/asm-generic/pe.h                          | 2 ++
 include/config_distro_bootcmd.h                   | 5 +++++
 include/efi_default_filename.h                    | 2 ++
 lib/efi_loader/efi_image_loader.c                 | 7 +++++++
 lib/efi_loader/efi_runtime.c                      | 4 ++++
 lib/efi_selftest/efi_selftest_miniapp_exception.c | 2 ++
 7 files changed, 24 insertions(+)

diff --git a/boot/bootmeth_efi.c b/boot/bootmeth_efi.c
index aebc5207fc01..b0207dac49c5 100644
--- a/boot/bootmeth_efi.c
+++ b/boot/bootmeth_efi.c
@@ -41,6 +41,8 @@ static int get_efi_pxe_arch(void)
 		return 0x19;
 	else if (IS_ENABLED(CONFIG_ARCH_RV64I))
 		return 0x1b;
+	else if (IS_ENABLED(CONFIG_ARCH_LA64))
+		return 0x27;
 	else if (IS_ENABLED(CONFIG_SANDBOX))
 		return 0;	/* not used */
 
diff --git a/include/asm-generic/pe.h b/include/asm-generic/pe.h
index cd5b6ad62bf0..fb93f2621715 100644
--- a/include/asm-generic/pe.h
+++ b/include/asm-generic/pe.h
@@ -38,6 +38,8 @@
 #define IMAGE_FILE_MACHINE_ARM64		0xaa64
 #define IMAGE_FILE_MACHINE_RISCV32		0x5032
 #define IMAGE_FILE_MACHINE_RISCV64		0x5064
+#define IMAGE_FILE_MACHINE_LOONGARCH32	0x6232
+#define IMAGE_FILE_MACHINE_LOONGARCH64	0x6264
 
 /* Header magic constants */
 #define IMAGE_NT_OPTIONAL_HDR32_MAGIC		0x010b
diff --git a/include/config_distro_bootcmd.h b/include/config_distro_bootcmd.h
index 2a136b96a6d9..f8c3a4bb70ae 100644
--- a/include/config_distro_bootcmd.h
+++ b/include/config_distro_bootcmd.h
@@ -118,6 +118,8 @@
 #define BOOTEFI_NAME "bootriscv32.efi"
 #elif defined(CONFIG_ARCH_RV64I)
 #define BOOTEFI_NAME "bootriscv64.efi"
+#elif defined(CONFIG_ARCH_LA64)
+#define BOOTEFI_NAME "bootloongarch64.efi"
 #endif
 #endif
 
@@ -366,6 +368,9 @@
 #elif defined(CONFIG_ARCH_RV64I) || ((defined(__riscv) && __riscv_xlen == 64))
 #define BOOTENV_EFI_PXE_ARCH "0x1b"
 #define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00027:UNDI:003000"
+#elif defined(CONFIG_ARCH_LA64) || defined(__loongarch64)
+#define BOOTENV_EFI_PXE_ARCH "0x27"
+#define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00039:UNDI:003000"
 #elif defined(CONFIG_SANDBOX)
 # error "sandbox EFI support is only supported on ARM and x86"
 #else
diff --git a/include/efi_default_filename.h b/include/efi_default_filename.h
index 77932984b557..fac25039fd31 100644
--- a/include/efi_default_filename.h
+++ b/include/efi_default_filename.h
@@ -47,6 +47,8 @@
 #define BOOTEFI_NAME "BOOTRISCV32.EFI"
 #elif defined(CONFIG_ARCH_RV64I)
 #define BOOTEFI_NAME "BOOTRISCV64.EFI"
+#elif defined(CONFIG_ARCH_LA64)
+#define BOOTEFI_NAME "BOOTLOONGARCH64.EFI"
 #else
 #error Unsupported UEFI architecture
 #endif
diff --git a/lib/efi_loader/efi_image_loader.c b/lib/efi_loader/efi_image_loader.c
index 604243603289..cb0619f27e8a 100644
--- a/lib/efi_loader/efi_image_loader.c
+++ b/lib/efi_loader/efi_image_loader.c
@@ -50,6 +50,13 @@ static int machines[] = {
 #if defined(__riscv) && (__riscv_xlen == 64)
 	IMAGE_FILE_MACHINE_RISCV64,
 #endif
+
+#if defined(__loongarch64)
+	IMAGE_FILE_MACHINE_LOONGARCH64,
+#endif
+#if defined(__loongarch32)
+	IMAGE_FILE_MACHINE_LOONGARCH32,
+#endif
 	0 };
 
 /**
diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c
index 011bcd04836d..45bdf45b5812 100644
--- a/lib/efi_loader/efi_runtime.c
+++ b/lib/efi_loader/efi_runtime.c
@@ -76,6 +76,10 @@ struct dyn_sym {
 #else
 #error unknown riscv target
 #endif
+#elif defined(__loongarch__)
+#define R_RELATIVE	R_LARCH_RELATIVE
+#define R_MASK		0xffffffffULL
+#define IS_RELA		1
 #else
 #error Need to add relocation awareness
 #endif
diff --git a/lib/efi_selftest/efi_selftest_miniapp_exception.c b/lib/efi_selftest/efi_selftest_miniapp_exception.c
index f668cdac4ab2..1e500a5ccc35 100644
--- a/lib/efi_selftest/efi_selftest_miniapp_exception.c
+++ b/lib/efi_selftest/efi_selftest_miniapp_exception.c
@@ -35,6 +35,8 @@ efi_status_t EFIAPI efi_main(efi_handle_t handle,
 	asm volatile (".word 0xffffffff\n");
 #elif defined(CONFIG_X86)
 	asm volatile (".word 0xffff\n");
+#elif defined(CONFIG_LOONGARCH)
+	asm volatile ("break 0xf\n");
 #elif defined(CONFIG_SANDBOX)
 #if (HOST_ARCH == HOST_ARCH_ARM || HOST_ARCH == HOST_ARCH_AARCH64)
 	asm volatile (".word 0xe7f7defb\n");

-- 
2.43.0