| Line 53... |
Line 53... |
/* Write a register */
|
/* Write a register */
|
void vga_write32(oraddr_t addr, uint32_t value, void *dat)
|
void vga_write32(oraddr_t addr, uint32_t value, void *dat)
|
{
|
{
|
struct vga_state *vga = dat;
|
struct vga_state *vga = dat;
|
|
|
addr -= vga->baseaddr;
|
|
|
|
switch (addr) {
|
switch (addr) {
|
case VGA_CTRL: vga->ctrl = value; break;
|
case VGA_CTRL: vga->ctrl = value; break;
|
case VGA_STAT: vga->stat = value; break;
|
case VGA_STAT: vga->stat = value; break;
|
case VGA_HTIM: vga->htim = value; break;
|
case VGA_HTIM: vga->htim = value; break;
|
case VGA_VTIM: vga->vtim = value; break;
|
case VGA_VTIM: vga->vtim = value; break;
|
| Line 81... |
Line 79... |
/* Read a register */
|
/* Read a register */
|
uint32_t vga_read32(oraddr_t addr, void *dat)
|
uint32_t vga_read32(oraddr_t addr, void *dat)
|
{
|
{
|
struct vga_state *vga = dat;
|
struct vga_state *vga = dat;
|
|
|
addr -= vga->baseaddr;
|
|
|
|
switch (addr) {
|
switch (addr) {
|
case VGA_CTRL: return vga->ctrl;
|
case VGA_CTRL: return vga->ctrl;
|
case VGA_STAT: return vga->stat;
|
case VGA_STAT: return vga->stat;
|
case VGA_HTIM: return vga->htim;
|
case VGA_HTIM: return vga->htim;
|
case VGA_VTIM: return vga->vtim;
|
case VGA_VTIM: return vga->vtim;
|
| Line 284... |
Line 280... |
}
|
}
|
|
|
void vga_sec_end(void *dat)
|
void vga_sec_end(void *dat)
|
{
|
{
|
struct vga_state *vga = dat;
|
struct vga_state *vga = dat;
|
|
struct mem_ops ops;
|
|
|
if(!vga->enabled) {
|
if(!vga->enabled) {
|
free(dat);
|
free(dat);
|
return;
|
return;
|
}
|
}
|
|
|
if (vga->baseaddr)
|
memset(&ops, 0, sizeof(struct mem_ops));
|
register_memoryarea(vga->baseaddr, VGA_ADDR_SPACE, 4, 0, vga_read32, vga_write32, dat);
|
|
|
ops.readfunc32 = vga_read32;
|
|
ops.writefunc32 = vga_write32;
|
|
ops.write_dat32 = dat;
|
|
ops.read_dat32 = dat;
|
|
|
|
/* FIXME: Correct delay? */
|
|
ops.delayr = 2;
|
|
ops.delayw = 2;
|
|
|
|
reg_mem_area(vga->baseaddr, VGA_ADDR_SPACE, 0, &ops);
|
|
|
reg_sim_reset(vga_reset, dat);
|
reg_sim_reset(vga_reset, dat);
|
}
|
}
|
|
|
void reg_vga_sec(void)
|
void reg_vga_sec(void)
|
