diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2022-03-03 22:28:27 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-03-09 14:21:01 +0000 |
| commit | 2e7e2d978bb2cc29b8b0335d46b3ed90ed36bbcc (patch) | |
| tree | 8a22a8eac3c14bcfa9645e0ff267b619defa8ae7 /tests/lib | |
| parent | 63c6d814ce0511d95d4f3ce57bce64743bc084d8 (diff) | |
coreboot_tables.c: Expose the ACPI RSDP
The ACPI RSDP can only be found in:
- legacy BIOS region
- via UEFI service
On some systems like ARM that legacy BIOS region is not an option, so
to avoid needing UEFI it makes sense to expose the RSDP via a coreboot
table entry.
This also adds the respective unit test.
Change-Id: I591312a2c48f0cbbb03b2787e4b365e9c932afff
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62573
Reviewed-by: Lance Zhao
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'tests/lib')
| -rw-r--r-- | tests/lib/coreboot_table-test.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/lib/coreboot_table-test.c b/tests/lib/coreboot_table-test.c index f9d963de2d..a50dd15d08 100644 --- a/tests/lib/coreboot_table-test.c +++ b/tests/lib/coreboot_table-test.c @@ -210,6 +210,12 @@ void arch_write_tables(uintptr_t coreboot_table) { } +static const uintptr_t ebda_base = 0xf0000; +uintptr_t get_coreboot_rsdp(void) +{ + return ebda_base; +} + struct resource mock_bootmem_ranges[] = { {.base = 0x1000, .size = 0x2000, .flags = LB_MEM_RAM}, {.base = 0x0000, .size = 0x4000, .flags = LB_MEM_RAM}, @@ -476,6 +482,12 @@ static void test_write_tables(void **state) assert_int_equal(ram_code(), board_config->ram_code); assert_int_equal(sku_id(), board_config->sku_id); break; + case LB_TAG_ACPI_RSDP: + assert_int_equal(sizeof(struct lb_acpi_rsdp), record->size); + + const struct lb_acpi_rsdp *acpi_rsdp = (struct lb_acpi_rsdp *)record; + assert_int_equal(ebda_base, unpack_lb64(acpi_rsdp->rsdp_pointer)); + break; default: fail_msg("Unexpected tag found in record. Tag ID: 0x%x", record->tag); } |