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vgainit: Move video param setup to stdvga_build_video_param() 

Move the full video_param_table[] setup (including the updating of the
BDA) to stdvga_build_video_param().

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2016-08-05 10:58:24 -04:00
parent 0397e80528
commit 536129ac3a
4 changed files with 14 additions and 14 deletions
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10
vgasrc/stdvgamodes.c
View File

@ -7,6 +7,7 @@
#include "biosvar.h" // GET_GLOBAL
#include "output.h" // warn_internalerror
#include "std/vga.h" // struct video_param_s
#include "stdvga.h" // stdvga_find_mode
#include "string.h" // memcpy_far
#include "vgabios.h" // video_param_table
@ -348,9 +349,18 @@ stdvga_list_modes(u16 seg, u16 *dest, u16 *last)
SET_FARVAR(seg, *dest, 0xffff);
}
static struct video_save_pointer_s video_save_pointer_table VAR16;
static struct video_param_s video_param_table[29] VAR16;
void
stdvga_build_video_param(void)
{
SET_BDA(video_savetable
, SEGOFF(get_global_seg(), (u32)&video_save_pointer_table));
SET_VGA(video_save_pointer_table.videoparam
, SEGOFF(get_global_seg(), (u32)video_param_table));
static u8 parammodes[] VAR16 = {
0, 0, 0, 0, 0x04, 0x05, 0x06, 0x07,
0, 0, 0, 0, 0, 0x0d, 0x0e, 0,

1
vgasrc/vgabios.c
View File

@ -11,6 +11,7 @@
#include "config.h" // CONFIG_*
#include "output.h" // dprintf
#include "std/vbe.h" // VBE_RETURN_STATUS_FAILED
#include "std/vga.h" // struct video_func_static
#include "stdvga.h" // stdvga_set_cursor_shape
#include "string.h" // memset_far
#include "vgabios.h" // calc_page_size

9
vgasrc/vgabios.h
View File

@ -2,9 +2,8 @@
#define __VGABIOS_H
#include "config.h" // CONFIG_VGA_EMULATE_TEXT
#include "farptr.h" // GET_FARVAR
#include "types.h" // u8
#include "farptr.h" // struct segoff_s
#include "std/vga.h" // struct video_param_s
// Save/Restore flags
#define SR_HARDWARE 0x0001
@ -81,12 +80,10 @@ extern u8 vgafont14alt[];
extern u8 vgafont16alt[];
// vgainit.c
extern struct video_save_pointer_s video_save_pointer_table;
extern struct video_param_s video_param_table[29];
// vgabios.c
extern int VgaBDF;
extern int HaveRunInit;
// vgabios.c
#define SET_VGA(var, val) SET_FARVAR(get_global_seg(), (var), (val))
int vga_bpp(struct vgamode_s *vmode_g);
u16 calc_page_size(u8 memmodel, u16 width, u16 height);

8
vgasrc/vgainit.c
View File

@ -18,10 +18,6 @@
#include "vgabios.h" // video_save_pointer_table
#include "vgahw.h" // vgahw_setup
struct video_save_pointer_s video_save_pointer_table VAR16;
struct video_param_s video_param_table[29] VAR16;
// Type of emulator platform - for dprintf with certain compile options.
int PlatformRunningOn VAR16;
@ -132,8 +128,6 @@ init_bios_area(void)
SET_BDA(modeset_ctl, 0x51);
SET_BDA(dcc_index, CONFIG_VGA_STDVGA_PORTS ? 0x08 : 0xff);
SET_BDA(video_savetable
, SEGOFF(get_global_seg(), (u32)&video_save_pointer_table));
// FIXME
SET_BDA(video_msr, 0x00); // Unavailable on vanilla vga, but...
@ -171,8 +165,6 @@ vga_post(struct bregs *regs)
init_bios_area();
SET_VGA(video_save_pointer_table.videoparam
, SEGOFF(get_global_seg(), (u32)video_param_table));
if (CONFIG_VGA_STDVGA_PORTS)
stdvga_build_video_param();