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| author | Gerd Hoffmann <kraxel@redhat.com> | 2018-05-30 22:50:42 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2018-06-22 07:44:07 +0200 |
| commit | 4d70b24b86012e382cf551ce72c2dd6c92a6d1fa (patch) | |
| tree | bbaa66609311aed0ba52019eb8b36fd8eddd2b8f | |
| parent | e28e0bb39b6a8cca7da196491ad80f1b96d1c806 (diff) | |
| download | seabios-4d70b24b86012e382cf551ce72c2dd6c92a6d1fa.tar.gz | |
cbvga: factor out cbvga_setup_modes()
Factor out generic data structure setup code from cbvga_setup().
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
| -rw-r--r-- | vgasrc/cbvga.c | 57 | ||||
| -rw-r--r-- | vgasrc/vgautil.h | 1 |
2 files changed, 33 insertions, 25 deletions
diff --git a/vgasrc/cbvga.c b/vgasrc/cbvga.c index f85989a2..9ae97d5f 100644 --- a/vgasrc/cbvga.c +++ b/vgasrc/cbvga.c @@ -232,10 +232,40 @@ struct cb_framebuffer { u8 reserved_mask_size; }; +void +cbvga_setup_modes(u64 addr, u8 bpp, u32 xlines, u32 ylines, u32 linelength) +{ + int i; + + SET_VGA(CBmode, 0x140); + SET_VGA(VBE_framebuffer, addr); + SET_VGA(VBE_total_memory, linelength * ylines); + SET_VGA(CBlinelength, linelength); + SET_VGA(CBmodeinfo.memmodel, MM_DIRECT); + SET_VGA(CBmodeinfo.width, xlines); + SET_VGA(CBmodeinfo.height, ylines); + SET_VGA(CBmodeinfo.depth, bpp); + SET_VGA(CBmodeinfo.cwidth, 8); + SET_VGA(CBmodeinfo.cheight, 16); + memcpy_far(get_global_seg(), &CBemulinfo + , get_global_seg(), &CBmodeinfo, sizeof(CBemulinfo)); + + // Validate modes + for (i = 0; i < ARRAY_SIZE(cbvesa_modes); i++) { + struct cbvga_mode_s *cbmode_g = &cbvesa_modes[i]; + /* Skip VBE modes that doesn't fit into coreboot's framebuffer */ + if ((GET_GLOBAL(cbmode_g->info.height) > ylines) + || (GET_GLOBAL(cbmode_g->info.width) > xlines) + || (GET_GLOBAL(cbmode_g->info.depth) != bpp)) { + dprintf(3, "Removing mode %x\n", GET_GLOBAL(cbmode_g->mode)); + SET_VGA(cbmode_g->mode, 0xffff); + } + } +} + int cbvga_setup(void) { - int i; dprintf(1, "coreboot vga init\n"); if (GET_GLOBAL(HaveRunInit)) @@ -277,29 +307,6 @@ cbvga_setup(void) return -1; } - SET_VGA(CBmode, 0x140); - SET_VGA(VBE_framebuffer, addr); - SET_VGA(VBE_total_memory, linelength * ylines); - SET_VGA(CBlinelength, linelength); - SET_VGA(CBmodeinfo.memmodel, MM_DIRECT); - SET_VGA(CBmodeinfo.width, xlines); - SET_VGA(CBmodeinfo.height, ylines); - SET_VGA(CBmodeinfo.depth, bpp); - SET_VGA(CBmodeinfo.cwidth, 8); - SET_VGA(CBmodeinfo.cheight, 16); - memcpy_far(get_global_seg(), &CBemulinfo - , get_global_seg(), &CBmodeinfo, sizeof(CBemulinfo)); - - // Validate modes - for (i = 0; i < ARRAY_SIZE(cbvesa_modes); i++) { - struct cbvga_mode_s *cbmode_g = &cbvesa_modes[i]; - /* Skip VBE modes that doesn't fit into coreboot's framebuffer */ - if ((GET_GLOBAL(cbmode_g->info.height) > ylines) - || (GET_GLOBAL(cbmode_g->info.width) > xlines) - || (GET_GLOBAL(cbmode_g->info.depth) != bpp)) { - dprintf(3, "Removing mode %x\n", GET_GLOBAL(cbmode_g->mode)); - SET_VGA(cbmode_g->mode, 0xffff); - } - } + cbvga_setup_modes(addr, bpp, xlines, ylines, linelength); return 0; } diff --git a/vgasrc/vgautil.h b/vgasrc/vgautil.h index fae5fbae..e02ad3e6 100644 --- a/vgasrc/vgautil.h +++ b/vgasrc/vgautil.h @@ -18,6 +18,7 @@ int cbvga_set_dacformat(struct vgamode_s *vmode_g, int val); int cbvga_save_restore(int cmd, u16 seg, void *data); int cbvga_set_mode(struct vgamode_s *vmode_g, int flags); int cbvga_get_linesize(struct vgamode_s *vmode_g); +void cbvga_setup_modes(u64 addr, u8 bpp, u32 xlines, u32 ylines, u32 linelength); int cbvga_setup(void); // clext.c |