diff options
Diffstat (limited to 'hw/vga.c')
| -rw-r--r-- | hw/vga.c | 77 |
1 files changed, 24 insertions, 53 deletions
@@ -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); |