@@ -16,10 +16,14 @@
enum {
SLAVE_BOOT,
+ EFI_SYSTAB,
+ EFI_TABLES,
};
static const MemMapEntry loader_rommap[] = {
[SLAVE_BOOT] = {0xf100000, 0x10000},
+ [EFI_SYSTAB] = {0xf200000, 0x10000},
+ [EFI_TABLES] = {0xf300000, 0x10000},
};
static unsigned int slave_boot_code[] = {
@@ -70,6 +74,39 @@ static unsigned int slave_boot_code[] = {
0x4c000020, /* jirl $r0,$r1,0 */
};
+static void init_systab(struct loongarch_boot_info *info)
+{
+ struct efi_system_table *systab;
+ struct efi_configuration_table *efi_tables;
+ systab = g_malloc0(loader_rommap[EFI_SYSTAB].size);
+ efi_tables = g_malloc0(loader_rommap[EFI_TABLES].size);
+
+ systab->hdr.signature = EFI_SYSTEM_TABLE_SIGNATURE;
+ systab->hdr.revision = EFI_SPECIFICATION_VERSION;
+ systab->hdr.revision = sizeof(struct efi_system_table),
+ systab->fw_revision = FW_VERSION << 16 | FW_PATCHLEVEL << 8;
+ systab->runtime = 0;
+ systab->boottime = 0;
+ systab->nr_tables = 0;
+ systab->tables = efi_tables;
+
+ rom_add_blob_fixed("tables_rom", efi_tables,
+ loader_rommap[EFI_TABLES].size,
+ loader_rommap[EFI_TABLES].base);
+
+ systab->tables = (struct efi_configuration_table *)
+ loader_rommap[EFI_TABLES].base;
+
+ rom_add_blob_fixed("systab_rom", systab,
+ loader_rommap[EFI_SYSTAB].size,
+ loader_rommap[EFI_SYSTAB].base);
+
+ info->a2 = loader_rommap[EFI_SYSTAB].base;
+
+ g_free(systab);
+ g_free(efi_tables);
+}
+
static int init_cmdline(struct loongarch_boot_info *info)
{
hwaddr cmdline_addr;
@@ -131,6 +168,7 @@ static int64_t load_kernel_info(struct loongarch_boot_info *info)
}
init_cmdline(info);
+ init_systab(info);
return kernel_entry;
}
@@ -145,6 +183,7 @@ static void reset_load_elf(void *opaque)
if (cpu == LOONGARCH_CPU(first_cpu)) {
env->gpr[4] = env->boot_info->a0;
env->gpr[5] = env->boot_info->a1;
+ env->gpr[6] = env->boot_info->a2;
}
cpu_set_pc(CPU(cpu), env->elf_address);
}
@@ -8,6 +8,56 @@
#ifndef HW_LOONGARCH_BOOT_H
#define HW_LOONGARCH_BOOT_H
+/* UEFI 2.10 */
+#define EFI_SYSTEM_TABLE_SIGNATURE 0x5453595320494249
+#define EFI_2_100_SYSTEM_TABLE_REVISION ((2<<16) | (100))
+#define EFI_SPECIFICATION_VERSION EFI_SYSTEM_TABLE_REVISION
+#define EFI_SYSTEM_TABLE_REVISION EFI_2_100_SYSTEM_TABLE_REVISION
+
+#define FW_VERSION 0x1
+#define FW_PATCHLEVEL 0x0
+
+#define EFI_MAX_CONFIGURATION_TABLES 16
+
+typedef struct {
+ uint8_t b[16];
+} efi_guid_t __attribute__((aligned(8)));
+
+struct efi_config_table {
+ efi_guid_t guid;
+ uint64_t *ptr;
+ const char name[16];
+};
+
+typedef struct {
+ uint64_t signature;
+ uint32_t revision;
+ uint32_t headersize;
+ uint32_t crc32;
+ uint32_t reserved;
+} efi_table_hdr_t;
+
+struct efi_configuration_table {
+ efi_guid_t guid;
+ void *table;
+};
+
+struct efi_system_table {
+ efi_table_hdr_t hdr;
+ uint64_t fw_vendor; /* physical addr of CHAR16 vendor string */
+ uint32_t fw_revision;
+ uint64_t con_in_handle;
+ uint64_t *con_in;
+ uint64_t con_out_handle;
+ uint64_t *con_out;
+ uint64_t stderr_handle;
+ uint64_t stderr;
+ uint64_t *runtime;
+ uint64_t *boottime;
+ uint64_t nr_tables;
+ struct efi_configuration_table *tables;
+};
+
struct loongarch_boot_info {
uint64_t ram_size;
const char *kernel_filename;
Add init_systab and set boot_info->a2 Signed-off-by: Song Gao <gaosong@loongson.cn> --- hw/loongarch/boot.c | 39 +++++++++++++++++++++++++++++ include/hw/loongarch/boot.h | 50 +++++++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+)