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Print Multiboot 2 VBE info & framebuffer tag

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This commit is contained in:
Alex Kotov 2020-11-29 02:45:12 +05:00
parent 47cf118fef
commit 87503099d8
Signed by: kotovalexarian
GPG key ID: 553C0EBBEB5D5F08
2 changed files with 22 additions and 0 deletions
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16
src/multiboot2/print.c
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@ -153,10 +153,26 @@ void KernAux_Multiboot2_TagBase_print(
break; break;
case KERNAUX_MULTIBOOT2_TAGTYPE_VBE_INFO: case KERNAUX_MULTIBOOT2_TAGTYPE_VBE_INFO:
{ {
const struct KernAux_Multiboot2_Tag_VBEInfo *const tag_vbe =
(struct KernAux_Multiboot2_Tag_VBEInfo*)tag_base;
print(" VBE mode: %hu\n", tag_vbe->vbe_mode);
print(" VBE interface seg: %hu\n", tag_vbe->vbe_interface_seg);
print(" VBE interface off: %hu\n", tag_vbe->vbe_interface_off);
print(" VBE interface len: %hu\n", tag_vbe->vbe_interface_len);
} }
break; break;
case KERNAUX_MULTIBOOT2_TAGTYPE_FRAMEBUFFER_INFO: case KERNAUX_MULTIBOOT2_TAGTYPE_FRAMEBUFFER_INFO:
{ {
const struct KernAux_Multiboot2_Tag_FramebufferInfo *const tag_fb =
(struct KernAux_Multiboot2_Tag_FramebufferInfo*)tag_base;
print(" framebuffer addr: %llu\n", tag_fb->framebuffer_addr);
print(" framebuffer pitch: %u\n", tag_fb->framebuffer_pitch);
print(" framebuffer width: %u\n", tag_fb->framebuffer_width);
print(" framebuffer height: %u\n", tag_fb->framebuffer_height);
print(" framebuffer bpp: %u\n", tag_fb->framebuffer_bpp);
print(" framebuffer type: %u\n", tag_fb->framebuffer_type);
} }
break; break;
case KERNAUX_MULTIBOOT2_TAGTYPE_ELF_SYMBOLS: case KERNAUX_MULTIBOOT2_TAGTYPE_ELF_SYMBOLS:

6
tests/test_multiboot2_print.c
View file

@ -54,6 +54,12 @@ static const char output[] =
"Multiboot 2 tag\n" "Multiboot 2 tag\n"
" type: 8 (framebuffer info)\n" " type: 8 (framebuffer info)\n"
" size: 32\n" " size: 32\n"
" framebuffer addr: 753664\n"
" framebuffer pitch: 160\n"
" framebuffer width: 80\n"
" framebuffer height: 25\n"
" framebuffer bpp: 16\n"
" framebuffer type: 2\n"
"Multiboot 2 tag\n" "Multiboot 2 tag\n"
" type: 14 (ACPI old RSDP)\n" " type: 14 (ACPI old RSDP)\n"
" size: 28\n" " size: 28\n"