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| author | Song Gao <gaosong@loongson.cn> | 2024-04-26 17:15:41 +0800 |
|---|---|---|
| committer | Song Gao <gaosong@loongson.cn> | 2024-04-29 10:25:56 +0800 |
| commit | 060685041ce6b98e5fb015b1d0318eb2f72944b5 (patch) | |
| tree | 088dfb09ee8f65fcd73890fa25a6a92f1883da1c /hw | |
| parent | 252b8e68994aa48508cf1c7d365967e3850b70bb (diff) | |
| download | qemu-060685041ce6b98e5fb015b1d0318eb2f72944b5.zip qemu-060685041ce6b98e5fb015b1d0318eb2f72944b5.tar.gz qemu-060685041ce6b98e5fb015b1d0318eb2f72944b5.tar.bz2 | |
hw/loongarch: Init efi_initrd table
The efi_system_table adds a efi_initrd configuration table.
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Message-Id: <20240426091551.2397867-8-gaosong@loongson.cn>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/loongarch/boot.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c index 527fc9c..c8b3e74 100644 --- a/hw/loongarch/boot.c +++ b/hw/loongarch/boot.c @@ -15,6 +15,9 @@ #include "sysemu/reset.h" #include "sysemu/qtest.h" +ram_addr_t initrd_offset; +uint64_t initrd_size; + static const unsigned int slave_boot_code[] = { /* Configure reset ebase. */ 0x0400302c, /* csrwr $t0, LOONGARCH_CSR_EENTRY */ @@ -95,6 +98,21 @@ static void init_efi_boot_memmap(struct efi_system_table *systab, } } +static void init_efi_initrd_table(struct efi_system_table *systab, + void *p, void *start) +{ + efi_guid_t tbl_guid = LINUX_EFI_INITRD_MEDIA_GUID; + struct efi_initrd *initrd_table = p; + + /* efi_configuration_table 2 */ + guidcpy(&systab->tables[1].guid, &tbl_guid); + systab->tables[1].table = (struct efi_configuration_table *)(p - start); + systab->nr_tables = 2; + + initrd_table->base = initrd_offset; + initrd_table->size = initrd_size; +} + static void init_systab(struct loongarch_boot_info *info, void *p, void *start) { void *bp_tables_start; @@ -118,6 +136,8 @@ static void init_systab(struct loongarch_boot_info *info, void *p, void *start) init_efi_boot_memmap(systab, p, start); p += ROUND_UP(sizeof(struct efi_boot_memmap) + sizeof(efi_memory_desc_t) * memmap_entries, 64 * KiB); + init_efi_initrd_table(systab, p, start); + p += ROUND_UP(sizeof(struct efi_initrd), 64 * KiB); systab->tables = (struct efi_configuration_table *)(bp_tables_start - start); } @@ -139,8 +159,7 @@ static uint64_t cpu_loongarch_virt_to_phys(void *opaque, uint64_t addr) static int64_t load_kernel_info(struct loongarch_boot_info *info) { - uint64_t kernel_entry, kernel_low, kernel_high, initrd_size; - ram_addr_t initrd_offset; + uint64_t kernel_entry, kernel_low, kernel_high; ssize_t kernel_size; kernel_size = load_elf(info->kernel_filename, NULL, |