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| author | Stefan Reinauer <stepan@coresystems.de> | 2009-11-05 18:06:43 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2009-11-05 18:06:43 +0000 |
| commit | d18faac7ebb77955fa600a8a432da360ae78130d (patch) | |
| tree | 8a3f653ef2e623980d024140a348b76b96edff89 /src/arch/i386/boot | |
| parent | 4172efc17f4185d1762f6d3d2aa3e1f4b2594499 (diff) | |
| download | coreboot-d18faac7ebb77955fa600a8a432da360ae78130d.tar.xz | |
if x86emu was running for VGA init a corrupted low table RSDP
is generated in the F segment. Clear the memory before generating an
RSDP to fix the problem.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4916 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/arch/i386/boot')
| -rw-r--r-- | src/arch/i386/boot/acpi.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/arch/i386/boot/acpi.c b/src/arch/i386/boot/acpi.c index 03634b4d96..928a49fe53 100644 --- a/src/arch/i386/boot/acpi.c +++ b/src/arch/i386/boot/acpi.c @@ -424,6 +424,7 @@ void acpi_write_xsdt(acpi_xsdt_t *xsdt) void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt, acpi_xsdt_t *xsdt) { + memset(rsdp, 0, sizeof(acpi_rsdp_t)); memcpy(rsdp->signature, RSDP_SIG, 8); memcpy(rsdp->oem_id, OEM_ID, 6); rsdp->length = sizeof(acpi_rsdp_t); |