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io port API change - removed dumb console redraw (not useful) 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@662 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-03-14 21:42:10 +00:00
parent 7d977de7e1
commit 0f35920cd8
1 changed files with 24 additions and 53 deletions
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77
hw/vga.c
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@ -40,9 +40,6 @@
#include <sys/wait.h>
#include <netinet/in.h>
#define NO_THUNK_TYPE_SIZE
#include "thunk.h"
#include "cpu.h"
#include "exec-all.h"
@ -260,9 +257,9 @@ static uint8_t expand4to8[16];
VGAState vga_state;
int vga_io_memory;
static uint32_t vga_ioport_read(CPUState *env, uint32_t addr)
static uint32_t vga_ioport_read(void *opaque, uint32_t addr)
{
VGAState *s = &vga_state;
VGAState *s = opaque;
int val, index;
/* check port range access depending on color/monochrome mode */
@ -356,9 +353,9 @@ static uint32_t vga_ioport_read(CPUState *env, uint32_t addr)
return val;
}
static void vga_ioport_write(CPUState *env, uint32_t addr, uint32_t val)
static void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val)
{
VGAState *s = &vga_state;
VGAState *s = opaque;
int index, v;
/* check port range access depending on color/monochrome mode */
@ -506,9 +503,9 @@ static void vga_ioport_write(CPUState *env, uint32_t addr, uint32_t val)
}
#ifdef CONFIG_BOCHS_VBE
static uint32_t vbe_ioport_read(CPUState *env, uint32_t addr)
static uint32_t vbe_ioport_read(void *opaque, uint32_t addr)
{
VGAState *s = &vga_state;
VGAState *s = opaque;
uint32_t val;
addr &= 1;
@ -526,9 +523,9 @@ static uint32_t vbe_ioport_read(CPUState *env, uint32_t addr)
return val;
}
static void vbe_ioport_write(CPUState *env, uint32_t addr, uint32_t val)
static void vbe_ioport_write(void *opaque, uint32_t addr, uint32_t val)
{
VGAState *s = &vga_state;
VGAState *s = opaque;
addr &= 1;
if (addr == 0) {
@ -1519,40 +1516,14 @@ static void vga_draw_graphic(VGAState *s, int full_update)
}
}
/* draw text terminal (very limited, just for simple boot debug
messages) */
static int last_cursor_pos;
void vga_draw_dumb(VGAState *s)
{
int c, i, cursor_pos, eol;
cursor_pos = s->cr[0x0f] | (s->cr[0x0e] << 8);
eol = 0;
for(i = last_cursor_pos; i < cursor_pos; i++) {
/* XXX: should use vga RAM */
c = phys_ram_base[0xb8000 + (i) * 2];
if (c >= ' ') {
putchar(c);
eol = 0;
} else {
if (!eol)
putchar('\n');
eol = 1;
}
}
fflush(stdout);
last_cursor_pos = cursor_pos;
}
void vga_update_display(void)
{
VGAState *s = &vga_state;
int full_update, graphic_mode;
if (s->ds->depth == 0) {
vga_draw_dumb(s);
} else {
/* nothing to do */
} else {
full_update = 0;
graphic_mode = s->gr[6] & 1;
if (graphic_mode != s->graphic_mode) {
@ -1643,29 +1614,29 @@ int vga_initialize(DisplayState *ds, uint8_t *vga_ram_base,
s->vram_size = vga_ram_size;
s->ds = ds;
register_ioport_write(0x3c0, 16, vga_ioport_write, 1);
register_ioport_write(0x3c0, 16, 1, vga_ioport_write, s);
register_ioport_write(0x3b4, 2, vga_ioport_write, 1);
register_ioport_write(0x3d4, 2, vga_ioport_write, 1);
register_ioport_write(0x3ba, 1, vga_ioport_write, 1);
register_ioport_write(0x3da, 1, vga_ioport_write, 1);
register_ioport_write(0x3b4, 2, 1, vga_ioport_write, s);
register_ioport_write(0x3d4, 2, 1, vga_ioport_write, s);
register_ioport_write(0x3ba, 1, 1, vga_ioport_write, s);
register_ioport_write(0x3da, 1, 1, vga_ioport_write, s);
register_ioport_read(0x3c0, 16, vga_ioport_read, 1);
register_ioport_read(0x3c0, 16, 1, vga_ioport_read, s);
register_ioport_read(0x3b4, 2, vga_ioport_read, 1);
register_ioport_read(0x3d4, 2, vga_ioport_read, 1);
register_ioport_read(0x3ba, 1, vga_ioport_read, 1);
register_ioport_read(0x3da, 1, vga_ioport_read, 1);
register_ioport_read(0x3b4, 2, 1, vga_ioport_read, s);
register_ioport_read(0x3d4, 2, 1, vga_ioport_read, s);
register_ioport_read(0x3ba, 1, 1, vga_ioport_read, s);
register_ioport_read(0x3da, 1, 1, vga_ioport_read, s);
s->bank_offset = -0xa0000;
#ifdef CONFIG_BOCHS_VBE
s->vbe_regs[VBE_DISPI_INDEX_ID] = VBE_DISPI_ID0;
s->vbe_bank_mask = ((s->vram_size >> 16) - 1);
register_ioport_read(0x1ce, 1, vbe_ioport_read, 2);
register_ioport_read(0x1cf, 1, vbe_ioport_read, 2);
register_ioport_read(0x1ce, 1, 2, vbe_ioport_read, s);
register_ioport_read(0x1cf, 1, 2, vbe_ioport_read, s);
register_ioport_write(0x1ce, 1, vbe_ioport_write, 2);
register_ioport_write(0x1cf, 1, vbe_ioport_write, 2);
register_ioport_write(0x1ce, 1, 2, vbe_ioport_write, s);
register_ioport_write(0x1cf, 1, 2, vbe_ioport_write, s);
#endif
vga_io_memory = cpu_register_io_memory(0, vga_mem_read, vga_mem_write);