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-rw-r--r--lib/efi_selftest/Makefile1
-rw-r--r--lib/efi_selftest/efi_selftest_fdt.c72
-rw-r--r--lib/efi_selftest/efi_selftest_riscv.c119
3 files changed, 57 insertions, 135 deletions
diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile
index 0b05f8a591..9ff6e1760c 100644
--- a/lib/efi_selftest/Makefile
+++ b/lib/efi_selftest/Makefile
@@ -64,7 +64,6 @@ obj-$(CONFIG_EFI_LOADER_HII) += efi_selftest_hii.o
obj-$(CONFIG_EFI_RNG_PROTOCOL) += efi_selftest_rng.o
obj-$(CONFIG_EFI_GET_TIME) += efi_selftest_rtc.o
obj-$(CONFIG_EFI_TCG2_PROTOCOL) += efi_selftest_tcg2.o
-obj-$(CONFIG_EFI_RISCV_BOOT_PROTOCOL) += efi_selftest_riscv.o
ifeq ($(CONFIG_GENERATE_ACPI_TABLE),)
obj-y += efi_selftest_fdt.o
diff --git a/lib/efi_selftest/efi_selftest_fdt.c b/lib/efi_selftest/efi_selftest_fdt.c
index f4a7fcb426..114ac58bf5 100644
--- a/lib/efi_selftest/efi_selftest_fdt.c
+++ b/lib/efi_selftest/efi_selftest_fdt.c
@@ -1,15 +1,14 @@
// SPDX-License-Identifier: GPL-2.0+
/*
- * efi_selftest_pos
+ * efi_selftest_fdt
*
* Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
+ * Copyright (c) 2022 Ventana Micro Systems Inc
*
- * Test the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.
- *
- * The following services are tested:
- * OutputString, TestString, SetAttribute.
+ * Check the device tree, test the RISCV_EFI_BOOT_PROTOCOL.
*/
+#include <efi_riscv.h>
#include <efi_selftest.h>
#include <linux/libfdt.h>
@@ -22,6 +21,8 @@ static const char *fdt;
static const efi_guid_t fdt_guid = EFI_FDT_GUID;
static const efi_guid_t acpi_guid = EFI_ACPI_TABLE_GUID;
+static const efi_guid_t riscv_efi_boot_protocol_guid =
+ RISCV_EFI_BOOT_PROTOCOL_GUID;
/**
* f2h() - convert FDT value to host endianness.
@@ -189,6 +190,29 @@ static int setup(const efi_handle_t img_handle,
return EFI_ST_SUCCESS;
}
+__maybe_unused static efi_status_t get_boot_hartid(efi_uintn_t *efi_hartid)
+{
+ efi_status_t ret;
+ struct riscv_efi_boot_protocol *prot;
+
+ /* Get RISC-V boot protocol */
+ ret = boottime->locate_protocol(&riscv_efi_boot_protocol_guid, NULL,
+ (void **)&prot);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("RISC-V Boot Protocol not available\n");
+ return EFI_ST_FAILURE;
+ }
+
+ /* Get boot hart ID from EFI protocol */
+ ret = prot->get_boot_hartid(prot, efi_hartid);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("Could not retrieve boot hart ID\n");
+ return EFI_ST_FAILURE;
+ }
+
+ return EFI_ST_SUCCESS;
+}
+
/*
* Execute unit test.
*
@@ -220,19 +244,37 @@ static int execute(void)
return EFI_ST_FAILURE;
}
}
- str = get_property(u"boot-hartid", u"chosen");
if (IS_ENABLED(CONFIG_RISCV)) {
- if (str) {
- efi_st_printf("boot-hartid: %u\n",
- f2h(*(fdt32_t *)str));
- ret = boottime->free_pool(str);
- if (ret != EFI_SUCCESS) {
- efi_st_error("FreePool failed\n");
+ u32 fdt_hartid;
+
+ str = get_property(u"boot-hartid", u"chosen");
+ if (!str) {
+ efi_st_error("boot-hartid missing in devicetree\n");
+ return EFI_ST_FAILURE;
+ }
+ fdt_hartid = f2h(*(fdt32_t *)str);
+ efi_st_printf("boot-hartid: %u\n", fdt_hartid);
+
+ ret = boottime->free_pool(str);
+ if (ret != EFI_SUCCESS) {
+ efi_st_error("FreePool failed\n");
+ return EFI_ST_FAILURE;
+ }
+
+ if (IS_ENABLED(CONFIG_EFI_RISCV_BOOT_PROTOCOL)) {
+ efi_uintn_t efi_hartid;
+ int r;
+
+ r = get_boot_hartid(&efi_hartid);
+ if (r != EFI_ST_SUCCESS)
+ return r;
+ /* Boot hart ID should be same */
+ if (efi_hartid != fdt_hartid) {
+ efi_st_error("boot-hartid differs: prot 0x%p, DT 0x%.8x\n",
+ (void *)(uintptr_t)efi_hartid,
+ fdt_hartid);
return EFI_ST_FAILURE;
}
- } else {
- efi_st_error("boot-hartid not found\n");
- return EFI_ST_FAILURE;
}
}
diff --git a/lib/efi_selftest/efi_selftest_riscv.c b/lib/efi_selftest/efi_selftest_riscv.c
deleted file mode 100644
index 9d2182e61f..0000000000
--- a/lib/efi_selftest/efi_selftest_riscv.c
+++ /dev/null
@@ -1,119 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * efi_selftest_riscv
- *
- * Copyright (c) 2022 Ventana Micro Systems Inc
- *
- * Test the RISCV_EFI_BOOT_PROTOCOL.
- *
- * The following services are tested:
- * get_boot_hartid
- */
-
-#include <efi_selftest.h>
-#include <efi_riscv.h>
-#include <linux/libfdt.h>
-
-static const struct efi_system_table *systemtab;
-static const struct efi_boot_services *boottime;
-static const char *fdt;
-static const efi_guid_t riscv_efi_boot_protocol_guid = RISCV_EFI_BOOT_PROTOCOL_GUID;
-static const efi_guid_t fdt_guid = EFI_FDT_GUID;
-
-/**
- * efi_st_get_config_table() - get configuration table
- *
- * @guid: GUID of the configuration table
- * Return: pointer to configuration table or NULL
- */
-static void *efi_st_get_config_table(const efi_guid_t *guid)
-{
- size_t i;
-
- for (i = 0; i < systab.nr_tables; i++) {
- if (!guidcmp(guid, &systemtab->tables[i].guid))
- return systemtab->tables[i].table;
- }
- return NULL;
-}
-
-/*
- * Setup unit test.
- *
- * @handle: handle of the loaded image
- * @systable: system table
- * @return: EFI_ST_SUCCESS for success
- */
-static int setup(const efi_handle_t img_handle,
- const struct efi_system_table *systable)
-{
- systemtab = systable;
- boottime = systable->boottime;
-
- fdt = efi_st_get_config_table(&fdt_guid);
-
- if (!fdt) {
- efi_st_error("Missing device tree\n");
- return EFI_ST_FAILURE;
- }
- return EFI_ST_SUCCESS;
-}
-
-/*
- * Execute unit test.
- *
- * @return: EFI_ST_SUCCESS for success
- */
-static int execute(void)
-{
- efi_status_t ret;
- struct riscv_efi_boot_protocol *prot;
- efi_uintn_t efi_hartid, fdt_hartid;
- int chosen_node, len;
- const fdt32_t *prop;
-
- /* Get riscv boot protocol */
- ret = boottime->locate_protocol(&riscv_efi_boot_protocol_guid, NULL,
- (void **)&prot);
- if (ret != EFI_SUCCESS) {
- efi_st_error("RISC-V Boot Protocol not available\n");
- return EFI_ST_FAILURE;
- }
-
- /* Get Boot Hart ID from EFI protocol */
- ret = prot->get_boot_hartid(prot, &efi_hartid);
- if (ret != EFI_SUCCESS) {
- efi_st_error("Could not retrieve boot hart ID\n");
- return EFI_ST_FAILURE;
- }
-
- /* Get Boot Hart ID from FDT */
- chosen_node = fdt_path_offset(fdt, "/chosen");
- if (chosen_node < 0) {
- efi_st_error("/chosen node not found\n");
- return EFI_ST_FAILURE;
- }
-
- prop = fdt_getprop((void *)fdt, chosen_node, "boot-hartid", &len);
- if (!prop || len != sizeof(u32)) {
- efi_st_error("boot-hartid not found\n");
- return EFI_ST_FAILURE;
- }
-
- fdt_hartid = fdt32_to_cpu(*prop);
-
- /* Boot Hart ID should be same */
- if (efi_hartid != fdt_hartid) {
- efi_st_error("boot-hartid is not same in EFI and FDT\n");
- return EFI_ST_FAILURE;
- }
-
- return EFI_ST_SUCCESS;
-}
-
-EFI_UNIT_TEST(riscv) = {
- .name = "riscv",
- .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
- .setup = setup,
- .execute = execute,
-};