Signed-off-by: Kevin O'Connor kevin@koconnor.net --- Makefile | 2 +- vgasrc/vbe.c | 301 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ vgasrc/vgabios.c | 289 --------------------------------------------------- vgasrc/vgabios.h | 3 + 4 files changed, 305 insertions(+), 290 deletions(-) create mode 100644 vgasrc/vbe.c
diff --git a/Makefile b/Makefile index 2346ee3..08f8af2 100644 --- a/Makefile +++ b/Makefile @@ -170,7 +170,7 @@ $(OUT)bios.bin.elf $(OUT)bios.bin: $(OUT)rom.o tools/checkrom.py
# VGA src files SRCVGA=src/output.c src/util.c vgasrc/vgabios.c vgasrc/vgafb.c vgasrc/vgaio.c \ - vgasrc/vgatables.c vgasrc/vgafonts.c \ + vgasrc/vgatables.c vgasrc/vgafonts.c vgasrc/vbe.c \ vgasrc/clext.c vgasrc/bochsvga.c vgasrc/geodelx.c
CFLAGS16VGA = $(CFLAGS16INC) -g -Isrc diff --git a/vgasrc/vbe.c b/vgasrc/vbe.c new file mode 100644 index 0000000..f598921 --- /dev/null +++ b/vgasrc/vbe.c @@ -0,0 +1,301 @@ +// Video Bios Extensions handlers +// +// Copyright (C) 2009 Kevin O'Connor kevin@koconnor.net +// Copyright (C) 2001-2008 the LGPL VGABios developers Team +// +// This file may be distributed under the terms of the GNU LGPLv3 license. + +#include "vgabios.h" // handle_104f +#include "config.h" // CONFIG_* +#include "bregs.h" // struct bregs +#include "vbe.h" // struct vbe_info +#include "util.h" // dprintf +#include "biosvar.h" // get_global_set +#include "bochsvga.h" // bochsvga_set_mode + +static void +vbe_104f00(struct bregs *regs) +{ + u16 seg = regs->es; + struct vbe_info *info = (void*)(regs->di+0); + + if (GET_FARVAR(seg, info->signature) == VBE2_SIGNATURE) { + dprintf(4, "Get VBE Controller: VBE2 Signature found\n"); + } else if (GET_FARVAR(seg, info->signature) == VESA_SIGNATURE) { + dprintf(4, "Get VBE Controller: VESA Signature found\n"); + } else { + dprintf(4, "Get VBE Controller: Invalid Signature\n"); + } + + memset_far(seg, info, 0, sizeof(*info)); + + SET_FARVAR(seg, info->signature, VESA_SIGNATURE); + + SET_FARVAR(seg, info->version, 0x0200); + + SET_FARVAR(seg, info->oem_string, + SEGOFF(get_global_seg(), (u32)VBE_OEM_STRING)); + SET_FARVAR(seg, info->capabilities, 0x1); /* 8BIT DAC */ + + /* We generate our mode list in the reserved field of the info block */ + SET_FARVAR(seg, info->video_mode, SEGOFF(seg, regs->di + 34)); + + /* Total memory (in 64 blocks) */ + SET_FARVAR(seg, info->total_memory, bochsvga_total_mem()); + + SET_FARVAR(seg, info->oem_vendor_string, + SEGOFF(get_global_seg(), (u32)VBE_VENDOR_STRING)); + SET_FARVAR(seg, info->oem_product_string, + SEGOFF(get_global_seg(), (u32)VBE_PRODUCT_STRING)); + SET_FARVAR(seg, info->oem_revision_string, + SEGOFF(get_global_seg(), (u32)VBE_REVISION_STRING)); + + /* Fill list of modes */ + bochsvga_list_modes(seg, regs->di + 32); + + regs->al = regs->ah; /* 0x4F, Function supported */ + regs->ah = 0x0; /* 0x0, Function call successful */ +} + +static void +vbe_104f01(struct bregs *regs) +{ + u16 seg = regs->es; + struct vbe_mode_info *info = (void*)(regs->di+0); + u16 mode = regs->cx; + struct vbe_modeinfo modeinfo; + int rc; + + dprintf(1, "VBE mode info request: %x\n", mode); + + rc = bochsvga_mode_info(mode, &modeinfo); + if (rc) { + dprintf(1, "VBE mode %x not found\n", mode); + regs->ax = 0x100; + return; + } + + u16 mode_attr = VBE_MODE_ATTRIBUTE_SUPPORTED | + VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE | + VBE_MODE_ATTRIBUTE_COLOR_MODE | + VBE_MODE_ATTRIBUTE_GRAPHICS_MODE; + if (modeinfo.depth == 4) + mode_attr |= VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT; + else + mode_attr |= VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE; + SET_FARVAR(seg, info->mode_attributes, mode_attr); + SET_FARVAR(seg, info->winA_attributes, + VBE_WINDOW_ATTRIBUTE_RELOCATABLE | + VBE_WINDOW_ATTRIBUTE_READABLE | + VBE_WINDOW_ATTRIBUTE_WRITEABLE); + SET_FARVAR(seg, info->winB_attributes, 0); + SET_FARVAR(seg, info->win_granularity, 64); /* Bank size 64K */ + SET_FARVAR(seg, info->win_size, 64); /* Bank size 64K */ + SET_FARVAR(seg, info->winA_seg, 0xA000); + SET_FARVAR(seg, info->winB_seg, 0x0); + SET_FARVAR(seg, info->win_func_ptr.segoff, 0x0); + SET_FARVAR(seg, info->bytes_per_scanline, modeinfo.linesize); + SET_FARVAR(seg, info->xres, modeinfo.width); + SET_FARVAR(seg, info->yres, modeinfo.height); + SET_FARVAR(seg, info->xcharsize, 8); + SET_FARVAR(seg, info->ycharsize, 16); + if (modeinfo.depth == 4) + SET_FARVAR(seg, info->planes, 4); + else + SET_FARVAR(seg, info->planes, 1); + SET_FARVAR(seg, info->bits_per_pixel, modeinfo.depth); + SET_FARVAR(seg, info->banks, + (modeinfo.linesize * modeinfo.height + 65535) / 65536); + if (modeinfo.depth == 4) + SET_FARVAR(seg, info->mem_model, VBE_MEMORYMODEL_PLANAR); + else if (modeinfo.depth == 8) + SET_FARVAR(seg, info->mem_model, VBE_MEMORYMODEL_PACKED_PIXEL); + else + SET_FARVAR(seg, info->mem_model, VBE_MEMORYMODEL_DIRECT_COLOR); + SET_FARVAR(seg, info->bank_size, 0); + u32 pages = modeinfo.vram_size / (modeinfo.height * modeinfo.linesize); + if (modeinfo.depth == 4) + SET_FARVAR(seg, info->pages, (pages / 4) - 1); + else + SET_FARVAR(seg, info->pages, pages - 1); + SET_FARVAR(seg, info->reserved0, 1); + + u8 r_size, r_pos, g_size, g_pos, b_size, b_pos, a_size, a_pos; + + switch (modeinfo.depth) { + case 15: r_size = 5; r_pos = 10; g_size = 5; g_pos = 5; + b_size = 5; b_pos = 0; a_size = 1; a_pos = 15; break; + case 16: r_size = 5; r_pos = 11; g_size = 6; g_pos = 5; + b_size = 5; b_pos = 0; a_size = 0; a_pos = 0; break; + case 24: r_size = 8; r_pos = 16; g_size = 8; g_pos = 8; + b_size = 8; b_pos = 0; a_size = 0; a_pos = 0; break; + case 32: r_size = 8; r_pos = 16; g_size = 8; g_pos = 8; + b_size = 8; b_pos = 0; a_size = 8; a_pos = 24; break; + default: r_size = 0; r_pos = 0; g_size = 0; g_pos = 0; + b_size = 0; b_pos = 0; a_size = 0; a_pos = 0; break; + } + + SET_FARVAR(seg, info->red_size, r_size); + SET_FARVAR(seg, info->red_pos, r_pos); + SET_FARVAR(seg, info->green_size, g_size); + SET_FARVAR(seg, info->green_pos, g_pos); + SET_FARVAR(seg, info->blue_size, b_size); + SET_FARVAR(seg, info->blue_pos, b_pos); + SET_FARVAR(seg, info->alpha_size, a_size); + SET_FARVAR(seg, info->alpha_pos, a_pos); + + if (modeinfo.depth == 32) + SET_FARVAR(seg, info->directcolor_info, + VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE); + else + SET_FARVAR(seg, info->directcolor_info, 0); + + if (modeinfo.depth > 4) + SET_FARVAR(seg, info->phys_base, modeinfo.phys_base); + else + SET_FARVAR(seg, info->phys_base, 0); + + SET_FARVAR(seg, info->reserved1, 0); + SET_FARVAR(seg, info->reserved2, 0); + SET_FARVAR(seg, info->linear_bytes_per_scanline, modeinfo.linesize); + SET_FARVAR(seg, info->bank_pages, 0); + SET_FARVAR(seg, info->linear_pages, 0); + SET_FARVAR(seg, info->linear_red_size, r_size); + SET_FARVAR(seg, info->linear_red_pos, r_pos); + SET_FARVAR(seg, info->linear_green_size, g_size); + SET_FARVAR(seg, info->linear_green_pos, g_pos); + SET_FARVAR(seg, info->linear_blue_size, b_size); + SET_FARVAR(seg, info->linear_blue_pos, b_pos); + SET_FARVAR(seg, info->linear_alpha_size, a_size); + SET_FARVAR(seg, info->linear_alpha_pos, a_pos); + SET_FARVAR(seg, info->pixclock_max, 0); + + regs->al = regs->ah; /* 0x4F, Function supported */ + regs->ah = 0x0; /* 0x0, Function call successful */ +} + +static void +vbe_104f02(struct bregs *regs) +{ + //u16 seg = regs->es; + //struct vbe_crtc_info *crtc_info = (void*)(regs->di+0); + u16 mode = regs->bx; + struct vbe_modeinfo modeinfo; + int rc; + + dprintf(1, "VBE mode set: %x\n", mode); + + if (mode < 0x100) { /* VGA */ + dprintf(1, "set VGA mode %x\n", mode); + + bochsvga_hires_enable(0); + vga_set_mode(mode, 0); + } else { /* VBE */ + rc = bochsvga_mode_info(mode & 0x1ff, &modeinfo); + if (rc) { + dprintf(1, "VBE mode %x not found\n", mode & 0x1ff); + regs->ax = 0x100; + return; + } + bochsvga_hires_enable(1); + bochsvga_set_mode(mode & 0x1ff, &modeinfo); + + if (mode & 0x4000) { + /* Linear frame buffer */ + /* XXX: ??? */ + } + if (!(mode & 0x8000)) { + bochsvga_clear_scr(); + } + } + + regs->al = regs->ah; /* 0x4F, Function supported */ + regs->ah = 0x0; /* 0x0, Function call successful */ +} + +static void +vbe_104f03(struct bregs *regs) +{ + if (!bochsvga_hires_enabled()) { + regs->bx = GET_BDA(video_mode); + } else { + regs->bx = bochsvga_curr_mode(); + } + + dprintf(1, "VBE current mode=%x\n", regs->bx); + + regs->al = regs->ah; /* 0x4F, Function supported */ + regs->ah = 0x0; /* 0x0, Function call successful */ +} + +static void +vbe_104f04(struct bregs *regs) +{ + debug_stub(regs); + regs->ax = 0x0100; +} + +static void +vbe_104f05(struct bregs *regs) +{ + debug_stub(regs); + regs->ax = 0x0100; +} + +static void +vbe_104f06(struct bregs *regs) +{ + debug_stub(regs); + regs->ax = 0x0100; +} + +static void +vbe_104f07(struct bregs *regs) +{ + debug_stub(regs); + regs->ax = 0x0100; +} + +static void +vbe_104f08(struct bregs *regs) +{ + debug_stub(regs); + regs->ax = 0x0100; +} + +static void +vbe_104f0a(struct bregs *regs) +{ + debug_stub(regs); + regs->ax = 0x0100; +} + +static void +vbe_104fXX(struct bregs *regs) +{ + debug_stub(regs); + regs->ax = 0x0100; +} + +void +handle_104f(struct bregs *regs) +{ + if (!bochsvga_enabled()) { + vbe_104fXX(regs); + return; + } + + switch (regs->al) { + case 0x00: vbe_104f00(regs); break; + case 0x01: vbe_104f01(regs); break; + case 0x02: vbe_104f02(regs); break; + case 0x03: vbe_104f03(regs); break; + case 0x04: vbe_104f04(regs); break; + case 0x05: vbe_104f05(regs); break; + case 0x06: vbe_104f06(regs); break; + case 0x07: vbe_104f07(regs); break; + case 0x08: vbe_104f08(regs); break; + case 0x0a: vbe_104f0a(regs); break; + default: vbe_104fXX(regs); break; + } +} diff --git a/vgasrc/vgabios.c b/vgasrc/vgabios.c index 2ff677e..f1b84f9 100644 --- a/vgasrc/vgabios.c +++ b/vgasrc/vgabios.c @@ -17,7 +17,6 @@ #include "vgabios.h" // find_vga_entry #include "optionroms.h" // struct pci_data #include "config.h" // CONFIG_* -#include "vbe.h" // struct vbe_info #include "geodelx.h" // geodelx_init #include "bochsvga.h" // bochsvga_init
@@ -1206,294 +1205,6 @@ handle_101c(struct bregs *regs) }
static void -handle_104f00(struct bregs *regs) -{ - u16 seg = regs->es; - struct vbe_info *info = (void*)(regs->di+0); - - if (GET_FARVAR(seg, info->signature) == VBE2_SIGNATURE) { - dprintf(4, "Get VBE Controller: VBE2 Signature found\n"); - } else if (GET_FARVAR(seg, info->signature) == VESA_SIGNATURE) { - dprintf(4, "Get VBE Controller: VESA Signature found\n"); - } else { - dprintf(4, "Get VBE Controller: Invalid Signature\n"); - } - - memset_far(seg, info, 0, sizeof(*info)); - - SET_FARVAR(seg, info->signature, VESA_SIGNATURE); - - SET_FARVAR(seg, info->version, 0x0200); - - SET_FARVAR(seg, info->oem_string, - SEGOFF(get_global_seg(), (u32)VBE_OEM_STRING)); - SET_FARVAR(seg, info->capabilities, 0x1); /* 8BIT DAC */ - - /* We generate our mode list in the reserved field of the info block */ - SET_FARVAR(seg, info->video_mode, SEGOFF(seg, regs->di + 34)); - - /* Total memory (in 64 blocks) */ - SET_FARVAR(seg, info->total_memory, bochsvga_total_mem()); - - SET_FARVAR(seg, info->oem_vendor_string, - SEGOFF(get_global_seg(), (u32)VBE_VENDOR_STRING)); - SET_FARVAR(seg, info->oem_product_string, - SEGOFF(get_global_seg(), (u32)VBE_PRODUCT_STRING)); - SET_FARVAR(seg, info->oem_revision_string, - SEGOFF(get_global_seg(), (u32)VBE_REVISION_STRING)); - - /* Fill list of modes */ - bochsvga_list_modes(seg, regs->di + 32); - - regs->al = regs->ah; /* 0x4F, Function supported */ - regs->ah = 0x0; /* 0x0, Function call successful */ -} - -static void -handle_104f01(struct bregs *regs) -{ - u16 seg = regs->es; - struct vbe_mode_info *info = (void*)(regs->di+0); - u16 mode = regs->cx; - struct vbe_modeinfo modeinfo; - int rc; - - dprintf(1, "VBE mode info request: %x\n", mode); - - rc = bochsvga_mode_info(mode, &modeinfo); - if (rc) { - dprintf(1, "VBE mode %x not found\n", mode); - regs->ax = 0x100; - return; - } - - u16 mode_attr = VBE_MODE_ATTRIBUTE_SUPPORTED | - VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE | - VBE_MODE_ATTRIBUTE_COLOR_MODE | - VBE_MODE_ATTRIBUTE_GRAPHICS_MODE; - if (modeinfo.depth == 4) - mode_attr |= VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT; - else - mode_attr |= VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE; - SET_FARVAR(seg, info->mode_attributes, mode_attr); - SET_FARVAR(seg, info->winA_attributes, - VBE_WINDOW_ATTRIBUTE_RELOCATABLE | - VBE_WINDOW_ATTRIBUTE_READABLE | - VBE_WINDOW_ATTRIBUTE_WRITEABLE); - SET_FARVAR(seg, info->winB_attributes, 0); - SET_FARVAR(seg, info->win_granularity, 64); /* Bank size 64K */ - SET_FARVAR(seg, info->win_size, 64); /* Bank size 64K */ - SET_FARVAR(seg, info->winA_seg, 0xA000); - SET_FARVAR(seg, info->winB_seg, 0x0); - SET_FARVAR(seg, info->win_func_ptr.segoff, 0x0); - SET_FARVAR(seg, info->bytes_per_scanline, modeinfo.linesize); - SET_FARVAR(seg, info->xres, modeinfo.width); - SET_FARVAR(seg, info->yres, modeinfo.height); - SET_FARVAR(seg, info->xcharsize, 8); - SET_FARVAR(seg, info->ycharsize, 16); - if (modeinfo.depth == 4) - SET_FARVAR(seg, info->planes, 4); - else - SET_FARVAR(seg, info->planes, 1); - SET_FARVAR(seg, info->bits_per_pixel, modeinfo.depth); - SET_FARVAR(seg, info->banks, - (modeinfo.linesize * modeinfo.height + 65535) / 65536); - if (modeinfo.depth == 4) - SET_FARVAR(seg, info->mem_model, VBE_MEMORYMODEL_PLANAR); - else if (modeinfo.depth == 8) - SET_FARVAR(seg, info->mem_model, VBE_MEMORYMODEL_PACKED_PIXEL); - else - SET_FARVAR(seg, info->mem_model, VBE_MEMORYMODEL_DIRECT_COLOR); - SET_FARVAR(seg, info->bank_size, 0); - u32 pages = modeinfo.vram_size / (modeinfo.height * modeinfo.linesize); - if (modeinfo.depth == 4) - SET_FARVAR(seg, info->pages, (pages / 4) - 1); - else - SET_FARVAR(seg, info->pages, pages - 1); - SET_FARVAR(seg, info->reserved0, 1); - - u8 r_size, r_pos, g_size, g_pos, b_size, b_pos, a_size, a_pos; - - switch (modeinfo.depth) { - case 15: r_size = 5; r_pos = 10; g_size = 5; g_pos = 5; - b_size = 5; b_pos = 0; a_size = 1; a_pos = 15; break; - case 16: r_size = 5; r_pos = 11; g_size = 6; g_pos = 5; - b_size = 5; b_pos = 0; a_size = 0; a_pos = 0; break; - case 24: r_size = 8; r_pos = 16; g_size = 8; g_pos = 8; - b_size = 8; b_pos = 0; a_size = 0; a_pos = 0; break; - case 32: r_size = 8; r_pos = 16; g_size = 8; g_pos = 8; - b_size = 8; b_pos = 0; a_size = 8; a_pos = 24; break; - default: r_size = 0; r_pos = 0; g_size = 0; g_pos = 0; - b_size = 0; b_pos = 0; a_size = 0; a_pos = 0; break; - } - - SET_FARVAR(seg, info->red_size, r_size); - SET_FARVAR(seg, info->red_pos, r_pos); - SET_FARVAR(seg, info->green_size, g_size); - SET_FARVAR(seg, info->green_pos, g_pos); - SET_FARVAR(seg, info->blue_size, b_size); - SET_FARVAR(seg, info->blue_pos, b_pos); - SET_FARVAR(seg, info->alpha_size, a_size); - SET_FARVAR(seg, info->alpha_pos, a_pos); - - if (modeinfo.depth == 32) - SET_FARVAR(seg, info->directcolor_info, - VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE); - else - SET_FARVAR(seg, info->directcolor_info, 0); - - if (modeinfo.depth > 4) - SET_FARVAR(seg, info->phys_base, modeinfo.phys_base); - else - SET_FARVAR(seg, info->phys_base, 0); - - SET_FARVAR(seg, info->reserved1, 0); - SET_FARVAR(seg, info->reserved2, 0); - SET_FARVAR(seg, info->linear_bytes_per_scanline, modeinfo.linesize); - SET_FARVAR(seg, info->bank_pages, 0); - SET_FARVAR(seg, info->linear_pages, 0); - SET_FARVAR(seg, info->linear_red_size, r_size); - SET_FARVAR(seg, info->linear_red_pos, r_pos); - SET_FARVAR(seg, info->linear_green_size, g_size); - SET_FARVAR(seg, info->linear_green_pos, g_pos); - SET_FARVAR(seg, info->linear_blue_size, b_size); - SET_FARVAR(seg, info->linear_blue_pos, b_pos); - SET_FARVAR(seg, info->linear_alpha_size, a_size); - SET_FARVAR(seg, info->linear_alpha_pos, a_pos); - SET_FARVAR(seg, info->pixclock_max, 0); - - regs->al = regs->ah; /* 0x4F, Function supported */ - regs->ah = 0x0; /* 0x0, Function call successful */ -} - -static void -handle_104f02(struct bregs *regs) -{ - //u16 seg = regs->es; - //struct vbe_crtc_info *crtc_info = (void*)(regs->di+0); - u16 mode = regs->bx; - struct vbe_modeinfo modeinfo; - int rc; - - dprintf(1, "VBE mode set: %x\n", mode); - - if (mode < 0x100) { /* VGA */ - dprintf(1, "set VGA mode %x\n", mode); - - bochsvga_hires_enable(0); - vga_set_mode(mode, 0); - } else { /* VBE */ - rc = bochsvga_mode_info(mode & 0x1ff, &modeinfo); - if (rc) { - dprintf(1, "VBE mode %x not found\n", mode & 0x1ff); - regs->ax = 0x100; - return; - } - bochsvga_hires_enable(1); - bochsvga_set_mode(mode & 0x1ff, &modeinfo); - - if (mode & 0x4000) { - /* Linear frame buffer */ - /* XXX: ??? */ - } - if (!(mode & 0x8000)) { - bochsvga_clear_scr(); - } - } - - regs->al = regs->ah; /* 0x4F, Function supported */ - regs->ah = 0x0; /* 0x0, Function call successful */ -} - -static void -handle_104f03(struct bregs *regs) -{ - if (!bochsvga_hires_enabled()) { - regs->bx = GET_BDA(video_mode); - } else { - regs->bx = bochsvga_curr_mode(); - } - - dprintf(1, "VBE current mode=%x\n", regs->bx); - - regs->al = regs->ah; /* 0x4F, Function supported */ - regs->ah = 0x0; /* 0x0, Function call successful */ -} - -static void -handle_104f04(struct bregs *regs) -{ - debug_enter(regs, DEBUG_VGA_10); - regs->ax = 0x0100; -} - -static void -handle_104f05(struct bregs *regs) -{ - debug_enter(regs, DEBUG_VGA_10); - regs->ax = 0x0100; -} - -static void -handle_104f06(struct bregs *regs) -{ - debug_enter(regs, DEBUG_VGA_10); - regs->ax = 0x0100; -} - -static void -handle_104f07(struct bregs *regs) -{ - debug_enter(regs, DEBUG_VGA_10); - regs->ax = 0x0100; -} - -static void -handle_104f08(struct bregs *regs) -{ - debug_enter(regs, DEBUG_VGA_10); - regs->ax = 0x0100; -} - -static void -handle_104f0a(struct bregs *regs) -{ - debug_enter(regs, DEBUG_VGA_10); - regs->ax = 0x0100; -} - -static void -handle_104fXX(struct bregs *regs) -{ - debug_stub(regs); - regs->ax = 0x0100; -} - -static void -handle_104f(struct bregs *regs) -{ - if (!bochsvga_enabled()) { - handle_104fXX(regs); - return; - } - - switch (regs->al) { - case 0x00: handle_104f00(regs); break; - case 0x01: handle_104f01(regs); break; - case 0x02: handle_104f02(regs); break; - case 0x03: handle_104f03(regs); break; - case 0x04: handle_104f04(regs); break; - case 0x05: handle_104f05(regs); break; - case 0x06: handle_104f06(regs); break; - case 0x07: handle_104f07(regs); break; - case 0x08: handle_104f08(regs); break; - case 0x0a: handle_104f0a(regs); break; - default: handle_104fXX(regs); break; - } -} - - -static void handle_10XX(struct bregs *regs) { debug_stub(regs); diff --git a/vgasrc/vgabios.h b/vgasrc/vgabios.h index 913dd88..568e276 100644 --- a/vgasrc/vgabios.h +++ b/vgasrc/vgabios.h @@ -222,4 +222,7 @@ struct vbe_modeinfo u32 vram_size; };
+struct bregs; +void handle_104f(struct bregs *regs); + #endif // vgabios.h