diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2022-05-12 20:39:16 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-05-17 11:24:12 +0000 |
| commit | 0a635ab1e875bc96c8c00221659f6e75b4e1db14 (patch) | |
| tree | 54eb8ca94c8dbc3076db7a6064d352888f4fb39b /src/arch | |
| parent | 82a8d8172ceef623b78a27bf00b4b9c084623501 (diff) | |
arch/x86/ebda.c: Move setting up ebda to a BS hook
device.c should not hold arch specific code.
Change-Id: I9dfdb905a83916c0e9d298e1c38da89f6bc5e038
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64297
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/ebda.c | 19 | ||||
| -rw-r--r-- | src/arch/x86/include/arch/ebda.h | 19 |
2 files changed, 16 insertions, 22 deletions
diff --git a/src/arch/x86/ebda.c b/src/arch/x86/ebda.c index 0e3465a040..e576a14791 100644 --- a/src/arch/x86/ebda.c +++ b/src/arch/x86/ebda.c @@ -1,9 +1,19 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -#include <stdint.h> #include <acpi/acpi.h> -#include <arch/ebda.h> +#include <bootstate.h> #include <commonlib/endian.h> +#include <stdint.h> + +#define X86_BDA_SIZE 0x200 +#define X86_BDA_BASE ((void *)0x400) +#define X86_EBDA_SEGMENT ((void *)0x40e) +#define X86_EBDA_LOWMEM ((void *)0x413) + +#define DEFAULT_EBDA_LOWMEM (1024 << 10) +#define DEFAULT_EBDA_SEGMENT 0xF600 +#define DEFAULT_EBDA_SIZE 0x400 + static void *get_ebda_start(void) { @@ -40,7 +50,7 @@ static void setup_ebda(u32 low_memory_size, u16 ebda_segment, u16 ebda_size) write_le16(ebda, ebda_kb); } -void setup_default_ebda(void) +static void setup_default_ebda(void *unused) { if (acpi_is_wakeup_s3()) return; @@ -49,3 +59,6 @@ void setup_default_ebda(void) DEFAULT_EBDA_SEGMENT, DEFAULT_EBDA_SIZE); } + +/* Ensure EBDA is prepared before Option ROMs. */ +BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_ENTRY, setup_default_ebda, NULL); diff --git a/src/arch/x86/include/arch/ebda.h b/src/arch/x86/include/arch/ebda.h deleted file mode 100644 index e625d4a305..0000000000 --- a/src/arch/x86/include/arch/ebda.h +++ /dev/null @@ -1,19 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -#ifndef __ARCH_EBDA_H -#define __ARCH_EBDA_H - -#include <stddef.h> - -#define X86_BDA_SIZE 0x200 -#define X86_BDA_BASE ((void *)0x400) -#define X86_EBDA_SEGMENT ((void *)0x40e) -#define X86_EBDA_LOWMEM ((void *)0x413) - -#define DEFAULT_EBDA_LOWMEM (1024 << 10) -#define DEFAULT_EBDA_SEGMENT 0xF600 -#define DEFAULT_EBDA_SIZE 0x400 - -void setup_default_ebda(void); - -#endif |