diff options
Diffstat (limited to 'hw/cirrus_vga.c')
| -rw-r--r-- | hw/cirrus_vga.c | 79 |
1 files changed, 38 insertions, 41 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c index d059949b10..759da4a542 100644 --- a/hw/cirrus_vga.c +++ b/hw/cirrus_vga.c @@ -1487,8 +1487,8 @@ static int cirrus_vga_read_gr(CirrusVGAState * s, unsigned reg_index) } } -static int -cirrus_hook_write_gr(CirrusVGAState * s, unsigned reg_index, int reg_value) +static void +cirrus_vga_write_gr(CirrusVGAState * s, unsigned reg_index, int reg_value) { #if defined(DEBUG_BITBLT) && 0 printf("gr%02x: %02x\n", reg_index, reg_value); @@ -1496,17 +1496,18 @@ cirrus_hook_write_gr(CirrusVGAState * s, unsigned reg_index, int reg_value) switch (reg_index) { case 0x00: // Standard VGA, BGCOLOR 0x000000ff s->cirrus_shadow_gr0 = reg_value; - return CIRRUS_HOOK_NOT_HANDLED; + break; case 0x01: // Standard VGA, FGCOLOR 0x000000ff s->cirrus_shadow_gr1 = reg_value; - return CIRRUS_HOOK_NOT_HANDLED; + break; case 0x02: // Standard VGA case 0x03: // Standard VGA case 0x04: // Standard VGA case 0x06: // Standard VGA case 0x07: // Standard VGA case 0x08: // Standard VGA - return CIRRUS_HOOK_NOT_HANDLED; + s->vga.gr[reg_index] = reg_value & gr_mask[reg_index]; + break; case 0x05: // Standard VGA, Cirrus extended mode s->vga.gr[reg_index] = reg_value & 0x7f; cirrus_update_memory_access(s); @@ -1574,8 +1575,6 @@ cirrus_hook_write_gr(CirrusVGAState * s, unsigned reg_index, int reg_value) #endif break; } - - return CIRRUS_HOOK_HANDLED; } /*************************************** @@ -1818,100 +1817,100 @@ static void cirrus_mmio_blt_write(CirrusVGAState * s, unsigned address, { switch (address) { case (CIRRUS_MMIO_BLTBGCOLOR + 0): - cirrus_hook_write_gr(s, 0x00, value); + cirrus_vga_write_gr(s, 0x00, value); break; case (CIRRUS_MMIO_BLTBGCOLOR + 1): - cirrus_hook_write_gr(s, 0x10, value); + cirrus_vga_write_gr(s, 0x10, value); break; case (CIRRUS_MMIO_BLTBGCOLOR + 2): - cirrus_hook_write_gr(s, 0x12, value); + cirrus_vga_write_gr(s, 0x12, value); break; case (CIRRUS_MMIO_BLTBGCOLOR + 3): - cirrus_hook_write_gr(s, 0x14, value); + cirrus_vga_write_gr(s, 0x14, value); break; case (CIRRUS_MMIO_BLTFGCOLOR + 0): - cirrus_hook_write_gr(s, 0x01, value); + cirrus_vga_write_gr(s, 0x01, value); break; case (CIRRUS_MMIO_BLTFGCOLOR + 1): - cirrus_hook_write_gr(s, 0x11, value); + cirrus_vga_write_gr(s, 0x11, value); break; case (CIRRUS_MMIO_BLTFGCOLOR + 2): - cirrus_hook_write_gr(s, 0x13, value); + cirrus_vga_write_gr(s, 0x13, value); break; case (CIRRUS_MMIO_BLTFGCOLOR + 3): - cirrus_hook_write_gr(s, 0x15, value); + cirrus_vga_write_gr(s, 0x15, value); break; case (CIRRUS_MMIO_BLTWIDTH + 0): - cirrus_hook_write_gr(s, 0x20, value); + cirrus_vga_write_gr(s, 0x20, value); break; case (CIRRUS_MMIO_BLTWIDTH + 1): - cirrus_hook_write_gr(s, 0x21, value); + cirrus_vga_write_gr(s, 0x21, value); break; case (CIRRUS_MMIO_BLTHEIGHT + 0): - cirrus_hook_write_gr(s, 0x22, value); + cirrus_vga_write_gr(s, 0x22, value); break; case (CIRRUS_MMIO_BLTHEIGHT + 1): - cirrus_hook_write_gr(s, 0x23, value); + cirrus_vga_write_gr(s, 0x23, value); break; case (CIRRUS_MMIO_BLTDESTPITCH + 0): - cirrus_hook_write_gr(s, 0x24, value); + cirrus_vga_write_gr(s, 0x24, value); break; case (CIRRUS_MMIO_BLTDESTPITCH + 1): - cirrus_hook_write_gr(s, 0x25, value); + cirrus_vga_write_gr(s, 0x25, value); break; case (CIRRUS_MMIO_BLTSRCPITCH + 0): - cirrus_hook_write_gr(s, 0x26, value); + cirrus_vga_write_gr(s, 0x26, value); break; case (CIRRUS_MMIO_BLTSRCPITCH + 1): - cirrus_hook_write_gr(s, 0x27, value); + cirrus_vga_write_gr(s, 0x27, value); break; case (CIRRUS_MMIO_BLTDESTADDR + 0): - cirrus_hook_write_gr(s, 0x28, value); + cirrus_vga_write_gr(s, 0x28, value); break; case (CIRRUS_MMIO_BLTDESTADDR + 1): - cirrus_hook_write_gr(s, 0x29, value); + cirrus_vga_write_gr(s, 0x29, value); break; case (CIRRUS_MMIO_BLTDESTADDR + 2): - cirrus_hook_write_gr(s, 0x2a, value); + cirrus_vga_write_gr(s, 0x2a, value); break; case (CIRRUS_MMIO_BLTDESTADDR + 3): /* ignored */ break; case (CIRRUS_MMIO_BLTSRCADDR + 0): - cirrus_hook_write_gr(s, 0x2c, value); + cirrus_vga_write_gr(s, 0x2c, value); break; case (CIRRUS_MMIO_BLTSRCADDR + 1): - cirrus_hook_write_gr(s, 0x2d, value); + cirrus_vga_write_gr(s, 0x2d, value); break; case (CIRRUS_MMIO_BLTSRCADDR + 2): - cirrus_hook_write_gr(s, 0x2e, value); + cirrus_vga_write_gr(s, 0x2e, value); break; case CIRRUS_MMIO_BLTWRITEMASK: - cirrus_hook_write_gr(s, 0x2f, value); + cirrus_vga_write_gr(s, 0x2f, value); break; case CIRRUS_MMIO_BLTMODE: - cirrus_hook_write_gr(s, 0x30, value); + cirrus_vga_write_gr(s, 0x30, value); break; case CIRRUS_MMIO_BLTROP: - cirrus_hook_write_gr(s, 0x32, value); + cirrus_vga_write_gr(s, 0x32, value); break; case CIRRUS_MMIO_BLTMODEEXT: - cirrus_hook_write_gr(s, 0x33, value); + cirrus_vga_write_gr(s, 0x33, value); break; case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 0): - cirrus_hook_write_gr(s, 0x34, value); + cirrus_vga_write_gr(s, 0x34, value); break; case (CIRRUS_MMIO_BLTTRANSPARENTCOLOR + 1): - cirrus_hook_write_gr(s, 0x35, value); + cirrus_vga_write_gr(s, 0x35, value); break; case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 0): - cirrus_hook_write_gr(s, 0x38, value); + cirrus_vga_write_gr(s, 0x38, value); break; case (CIRRUS_MMIO_BLTTRANSPARENTCOLORMASK + 1): - cirrus_hook_write_gr(s, 0x39, value); + cirrus_vga_write_gr(s, 0x39, value); break; case CIRRUS_MMIO_BLTSTATUS: - cirrus_hook_write_gr(s, 0x31, value); + cirrus_vga_write_gr(s, 0x31, value); break; default: #ifdef DEBUG_CIRRUS @@ -2824,12 +2823,10 @@ static void cirrus_vga_ioport_write(void *opaque, uint32_t addr, uint32_t val) s->gr_index = val; break; case 0x3cf: - if (cirrus_hook_write_gr(c, s->gr_index, val)) - break; #ifdef DEBUG_VGA_REG printf("vga: write GR%x = 0x%02x\n", s->gr_index, val); #endif - s->gr[s->gr_index] = val & gr_mask[s->gr_index]; + cirrus_vga_write_gr(c, s->gr_index, val); break; case 0x3b4: case 0x3d4: |