[PATCH v9 07/11] sandbox: Report host default-filename in native mode

[Simon Glass]

When the --native flag is given, pretend to be running the host
architecture rather than sandbox.

Allow the same control for PXE too.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

Changes in v9:
- Separate into separate patches

Changes in v8:
- Add new patch to report host default-filename in native mode

 include/efi.h               | 15 +++++++++++++++
 lib/efi_loader/efi_helper.c | 35 ++++++++++++++++++++---------------
 2 files changed, 35 insertions(+), 15 deletions(-)

diff --git a/include/efi.h b/include/efi.h
index 633f5b4acb5..817bc56c835 100644
--- a/include/efi.h
+++ b/include/efi.h
@@ -679,6 +679,21 @@ void efi_show_tables(struct efi_system_table *systab);
  */
 const char *efi_get_basename(void);
 
+#ifdef CONFIG_SANDBOX
+#include <asm/state.h>
+#endif
+
+static inline bool efi_use_host_arch(void)
+{
+#ifdef CONFIG_SANDBOX
+	struct sandbox_state *state = state_get_current();
+
+	return state->native;
+#else
+	return false;
+#endif
+}
+
 /**
  * efi_get_pxe_arch() - Get the architecture value for PXE
  *
diff --git a/lib/efi_loader/efi_helper.c b/lib/efi_loader/efi_helper.c
index b8ece1c2e0c..ab5678eb66c 100644
--- a/lib/efi_loader/efi_helper.c
+++ b/lib/efi_loader/efi_helper.c
@@ -23,27 +23,31 @@
 
 #undef BOOTEFI_NAME
 
-#ifdef CONFIG_SANDBOX
-
 #if HOST_ARCH == HOST_ARCH_X86_64
-#define BOOTEFI_NAME "BOOTX64.EFI"
+#define HOST_BOOTEFI_NAME "BOOTX64.EFI"
+#define HOST_PXE_ARCH 0x6
 #elif HOST_ARCH == HOST_ARCH_X86
-#define BOOTEFI_NAME "BOOTIA32.EFI"
+#define HOST_BOOTEFI_NAME "BOOTIA32.EFI"
+#define HOST_PXE_ARCH 0x7
 #elif HOST_ARCH == HOST_ARCH_AARCH64
-#define BOOTEFI_NAME "BOOTAA64.EFI"
+#define HOST_BOOTEFI_NAME "BOOTAA64.EFI"
+#define HOST_PXE_ARCH 0xb
 #elif HOST_ARCH == HOST_ARCH_ARM
-#define BOOTEFI_NAME "BOOTARM.EFI"
+#define HOST_BOOTEFI_NAME "BOOTARM.EFI"
+#define HOST_PXE_ARCH 0xa
 #elif HOST_ARCH == HOST_ARCH_RISCV32
-#define BOOTEFI_NAME "BOOTRISCV32.EFI"
+#define HOST_BOOTEFI_NAME "BOOTRISCV32.EFI"
+#define HOST_PXE_ARCH 0x19
 #elif HOST_ARCH == HOST_ARCH_RISCV64
-#define BOOTEFI_NAME "BOOTRISCV64.EFI"
+#define HOST_BOOTEFI_NAME "BOOTRISCV64.EFI"
+#define HOST_PXE_ARCH 0x1b
 #else
-#error Unsupported UEFI architecture
+#error Unsupported Host architecture
 #endif
 
-#else
-
-#if defined(CONFIG_ARM64)
+#if defined(CONFIG_SANDBOX)
+#define BOOTEFI_NAME "BOOTSBOX.EFI"
+#elif defined(CONFIG_ARM64)
 #define BOOTEFI_NAME "BOOTAA64.EFI"
 #elif defined(CONFIG_ARM)
 #define BOOTEFI_NAME "BOOTARM.EFI"
@@ -59,8 +63,6 @@
 #error Unsupported UEFI architecture
 #endif
 
-#endif
-
 #if defined(CONFIG_CMD_EFIDEBUG) || defined(CONFIG_EFI_LOAD_FILE2_INITRD)
 /* GUID used by Linux to identify the LoadFile2 protocol with the initrd */
 const efi_guid_t efi_lf2_initrd_guid = EFI_INITRD_MEDIA_GUID;
@@ -68,11 +70,14 @@ const efi_guid_t efi_lf2_initrd_guid = EFI_INITRD_MEDIA_GUID;
 
 const char *efi_get_basename(void)
 {
-	return BOOTEFI_NAME;
+	return efi_use_host_arch() ? HOST_BOOTEFI_NAME : BOOTEFI_NAME;
 }
 
 int efi_get_pxe_arch(void)
 {
+	if (efi_use_host_arch())
+		return HOST_PXE_ARCH;
+
 	/* http://www.iana.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xml */
 	if (IS_ENABLED(CONFIG_ARM64))
 		return 0xb;
-- 
2.43.0