efi_loader: support building UEFI binaries on sandbox
On the sandbox the UEFI binaries must match the host architectures.
Adjust the Makefiles. Provide the PE/COFF header and relocation files.
Allow building helloworld.efi on the sandbox.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/arch/sandbox/config.mk b/arch/sandbox/config.mk
index 05fbbd7..a225c9c 100644
--- a/arch/sandbox/config.mk
+++ b/arch/sandbox/config.mk
@@ -27,3 +27,31 @@
$(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot-spl.map -Wl,--gc-sections)
CONFIG_ARCH_DEVICE_TREE := sandbox
+
+ifeq ($(HOST_ARCH),$(HOST_ARCH_X86_64))
+EFI_LDS := ${SRCDIR}/../../../arch/x86/lib/elf_x86_64_efi.lds
+EFI_TARGET := --target=efi-app-x86_64
+else ifeq ($(HOST_ARCH),$(HOST_ARCH_X86))
+EFI_LDS := ${SRCDIR}/../../../arch/x86/lib/elf_ia32_efi.lds
+EFI_TARGET := --target=efi-app-ia32
+else ifeq ($(HOST_ARCH),$(HOST_ARCH_AARCH64))
+EFI_LDS := ${SRCDIR}/../../../arch/arm/lib/elf_aarch64_efi.lds
+OBJCOPYFLAGS += -j .text -j .secure_text -j .secure_data -j .rodata -j .data \
+ -j .u_boot_list -j .rela.dyn -j .got -j .got.plt \
+ -j .binman_sym_table -j .text_rest \
+ -j .efi_runtime -j .efi_runtime_rel
+else ifeq ($(HOST_ARCH),$(HOST_ARCH_ARM))
+EFI_LDS := ${SRCDIR}/../../../arch/arm/lib/elf_arm_efi.lds
+OBJCOPYFLAGS += -j .text -j .secure_text -j .secure_data -j .rodata -j .hash \
+ -j .data -j .got -j .got.plt -j .u_boot_list -j .rel.dyn \
+ -j .binman_sym_table -j .text_rest \
+ -j .efi_runtime -j .efi_runtime_rel
+else ifeq ($(HOST_ARCH),$(HOST_ARCH_RISCV32))
+EFI_LDS := ${SRCDIR}/../../../arch/riscv/lib/elf_riscv32_efi.lds
+else ifeq ($(HOST_ARCH),$(HOST_ARCH_RISCV64))
+EFI_LDS := ${SRCDIR}/../../../arch/riscv/lib/elf_riscv64_efi.lds
+endif
+EFI_CRT0 := crt0_sandbox_efi.o
+EFI_RELOC := reloc_sandbox_efi.o
+AFLAGS_crt0_sandbox_efi.o += -DHOST_ARCH="$(HOST_ARCH)"
+CFLAGS_reloc_sandbox_efi.o += -DHOST_ARCH="$(HOST_ARCH)"
diff --git a/arch/sandbox/lib/crt0_sandbox_efi.S b/arch/sandbox/lib/crt0_sandbox_efi.S
new file mode 100644
index 0000000..b15766c
--- /dev/null
+++ b/arch/sandbox/lib/crt0_sandbox_efi.S
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * PE/COFF header for EFI applications
+ *
+ * Copyright (c) 2019 Heinrich Schuchardt
+ */
+
+#include <host_arch.h>
+
+#if HOST_ARCH == HOST_ARCH_X86_64
+#include "../../../arch/x86/lib/crt0_x86_64_efi.S"
+#endif
+
+#if HOST_ARCH == HOST_ARCH_X86
+#include "../../../arch/x86/lib/crt0_ia32_efi.S"
+#endif
+
+#if HOST_ARCH == HOST_ARCH_AARCH64
+#include "../../../arch/arm/lib/crt0_aarch64_efi.S"
+#endif
+
+#if HOST_ARCH == HOST_ARCH_ARM
+#include "../../../arch/arm/lib/crt0_arm_efi.S"
+#endif
+
+#if HOST_ARCH == HOST_ARCH_RISCV32
+#include "../../../arch/riscv/lib/crt0_riscv_efi.S"
+#endif
+
+#if HOST_ARCH == HOST_ARCH_RISCV64
+#include "../../../arch/riscv/lib/crt0_riscv_efi.S"
+#endif
diff --git a/arch/sandbox/lib/reloc_sandbox_efi.c b/arch/sandbox/lib/reloc_sandbox_efi.c
new file mode 100644
index 0000000..a21e675
--- /dev/null
+++ b/arch/sandbox/lib/reloc_sandbox_efi.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * position independent shared object relocator
+ *
+ * Copyright (c) 2019 Heinrich Schuchardt
+ */
+
+#include <host_arch.h>
+
+#if HOST_ARCH == HOST_ARCH_X86_64
+#include "../../../arch/x86/lib/reloc_x86_64_efi.c"
+#endif
+
+#if HOST_ARCH == HOST_ARCH_X86
+#include "../../../arch/x86/lib/reloc_ia32_efi.c"
+#endif
+
+#if HOST_ARCH == HOST_ARCH_AARCH64
+#include "../../../arch/arm/lib/reloc_aarch64_efi.c"
+#endif
+
+#if HOST_ARCH == HOST_ARCH_ARM
+#include "../../../arch/arm/lib/reloc_arm_efi.c"
+#endif
+
+#if HOST_ARCH == HOST_ARCH_RISCV32
+#include "../../../arch/riscv/lib/reloc_riscv_efi.c"
+#endif
+
+#if HOST_ARCH == HOST_ARCH_RISCV64
+#include "../../../arch/riscv/lib/reloc_riscv_efi.c"
+#endif