diff options
| author | Nico Huber <nico.huber@secunet.com> | 2020-01-16 13:08:18 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-03-09 08:09:30 +0000 |
| commit | e61241822160d9a3e4ce26464798a590fac22a91 (patch) | |
| tree | 27bc32f4f9207f3d4f0f42113adafdb4440dfadc /payloads/libpayload/drivers | |
| parent | c97bf6fdb4882f3cee9e6b72dbee1899036f7ecc (diff) | |
libpayload/corebootfb: Keep local copy of framebuffer info
Keeping a local copy of the framebuffer info allows us to make changes,
e.g. add offsets. It also avoids trouble with relocation.
Change-Id: I852c4eb229dd0724114acb302ab2ed7164712b64
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38537
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'payloads/libpayload/drivers')
| -rw-r--r-- | payloads/libpayload/drivers/video/corebootfb.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/payloads/libpayload/drivers/video/corebootfb.c b/payloads/libpayload/drivers/video/corebootfb.c index 11397ba905..c4b50480dd 100644 --- a/payloads/libpayload/drivers/video/corebootfb.c +++ b/payloads/libpayload/drivers/video/corebootfb.c @@ -61,13 +61,12 @@ static const u32 vga_colors[] = { (0xFF << 16) | (0xFF << 8) | 0xFF, }; -/* Addresses for the various components */ -static unsigned long fbinfo; -static unsigned long fbaddr; +struct cb_framebuffer fbinfo; static unsigned short *chars; -#define FI ((struct cb_framebuffer *) phys_to_virt(fbinfo)) -#define FB ((unsigned char *) phys_to_virt(fbaddr)) +/* Addresses for the various components */ +#define FI (&fbinfo) +#define FB ((unsigned char *) phys_to_virt(FI->physical_address)) #define CHARS (chars) static void corebootfb_scroll_up(void) @@ -230,12 +229,9 @@ static int corebootfb_init(void) if (lib_sysinfo.framebuffer == NULL) return -1; - /* We might have been called before relocation (like FILO does). So - just keep the physical address which won't break on relocation. */ - fbinfo = virt_to_phys(lib_sysinfo.framebuffer); + fbinfo = *lib_sysinfo.framebuffer; - fbaddr = FI->physical_address; - if (fbaddr == 0) + if (FI->physical_address == 0) return -1; font_init(FI->x_resolution); |