diff options
author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-06-08 00:58:26 +0000 |
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committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-06-08 00:58:26 +0000 |
commit | 78e127efdbac82f148ed4f7b42f8f4f2873b4c5b (patch) | |
tree | 6cfb7c8a6a2ca618165ea17dfc76dfde9c3c5850 /hw/cirrus_vga.c | |
parent | ee38b4c8134caccffd62614579fe8befc7d100e6 (diff) |
set memory size to 4MB for 5446 - fixed memory size probe (aka Win2000 bug) - fixed interlace support
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@914 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw/cirrus_vga.c')
-rw-r--r-- | hw/cirrus_vga.c | 72 |
1 files changed, 58 insertions, 14 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c index 55a866a2e4..a883d52b74 100644 --- a/hw/cirrus_vga.c +++ b/hw/cirrus_vga.c @@ -31,6 +31,7 @@ /* * TODO: + * - fix 24 bpp pattern fills (source is 32 bpp in that case) * - add support for WRITEMASK (GR2F) * - add support for scanline modulo in pattern fill * - optimize linear mappings @@ -233,6 +234,7 @@ typedef struct CirrusVGAState { int cirrus_linear_bitblt_io_addr; int cirrus_mmio_io_addr; uint32_t cirrus_addr_mask; + uint32_t linear_mmio_mask; uint8_t cirrus_shadow_gr0; uint8_t cirrus_shadow_gr1; uint8_t cirrus_hidden_dac_lockindex; @@ -268,6 +270,7 @@ typedef struct CirrusVGAState { int last_hw_cursor_y; int last_hw_cursor_y_start; int last_hw_cursor_y_end; + int real_vram_size; /* XXX: suppress that */ } CirrusVGAState; typedef struct PCICirrusVGAState { @@ -983,6 +986,22 @@ static int cirrus_get_bpp(VGAState *s1) return ret; } +static void cirrus_get_resolution(VGAState *s, int *pwidth, int *pheight) +{ + int width, height; + + width = (s->cr[0x01] + 1) * 8; + height = s->cr[0x12] | + ((s->cr[0x07] & 0x02) << 7) | + ((s->cr[0x07] & 0x40) << 3); + height = (height + 1); + /* interlace support */ + if (s->cr[0x1a] & 0x01) + height = height * 2; + *pwidth = width; + *pheight = height; +} + /*************************************** * * bank memory @@ -1970,7 +1989,7 @@ static inline void cirrus_cursor_compute_yrange(CirrusVGAState *s) uint32_t content; int y, y_min, y_max; - src = s->vram_ptr + 0x200000 - 16 * 1024; + src = s->vram_ptr + s->real_vram_size - 16 * 1024; if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) { src += (s->sr[0x13] & 0x3c) * 256; y_min = 64; @@ -2064,7 +2083,7 @@ static void cirrus_cursor_draw_line(VGAState *s1, uint8_t *d1, int scr_y) scr_y >= (s->hw_cursor_y + h)) return; - src = s->vram_ptr + 0x200000 - 16 * 1024; + src = s->vram_ptr + s->real_vram_size - 16 * 1024; if (s->sr[0x12] & CIRRUS_CURSOR_LARGE) { src += (s->sr[0x13] & 0x3c) * 256; src += (scr_y - s->hw_cursor_y) * 16; @@ -2130,10 +2149,10 @@ static uint32_t cirrus_linear_readb(void *opaque, target_phys_addr_t addr) CirrusVGAState *s = (CirrusVGAState *) opaque; uint32_t ret; - /* XXX: s->vram_size must be a power of two */ addr &= s->cirrus_addr_mask; - if (((s->sr[0x17] & 0x44) == 0x44) && ((addr & 0x1fff00) == 0x1fff00)) { + if (((s->sr[0x17] & 0x44) == 0x44) && + ((addr & s->linear_mmio_mask) == s->linear_mmio_mask)) { /* memory-mapped I/O */ ret = cirrus_mmio_blt_read(s, addr & 0xff); } else if (0) { @@ -2190,8 +2209,9 @@ static void cirrus_linear_writeb(void *opaque, target_phys_addr_t addr, unsigned mode; addr &= s->cirrus_addr_mask; - - if (((s->sr[0x17] & 0x44) == 0x44) && ((addr & 0x1fff00) == 0x1fff00)) { + + if (((s->sr[0x17] & 0x44) == 0x44) && + ((addr & s->linear_mmio_mask) == s->linear_mmio_mask)) { /* memory-mapped I/O */ cirrus_mmio_blt_write(s, addr & 0xff, val); } else if (s->cirrus_srcptr != s->cirrus_srcptr_end) { @@ -2715,7 +2735,7 @@ static CPUWriteMemoryFunc *cirrus_mmio_write[3] = { * ***************************************/ -static void cirrus_init_common(CirrusVGAState * s, int device_id) +static void cirrus_init_common(CirrusVGAState * s, int device_id, int is_pci) { int vga_io_memory, i; static int inited; @@ -2762,11 +2782,35 @@ static void cirrus_init_common(CirrusVGAState * s, int device_id) vga_io_memory); s->sr[0x06] = 0x0f; - s->sr[0x0F] = CIRRUS_MEMSIZE_2M; s->sr[0x1F] = 0x22; // MemClock - + if (device_id == CIRRUS_ID_CLGD5446) { + /* 4MB 64 bit memory config, always PCI */ +#if 1 + s->sr[0x0f] = 0x98; + s->sr[0x17] = 0x20; + s->sr[0x15] = 0x04; /* memory size, 3=2MB, 4=4MB */ + s->real_vram_size = 4096 * 1024; +#else + s->sr[0x0f] = 0x18; + s->sr[0x17] = 0x20; + s->sr[0x15] = 0x03; /* memory size, 3=2MB, 4=4MB */ + s->real_vram_size = 2048 * 1024; +#endif + } else { + s->sr[0x0F] = CIRRUS_MEMSIZE_2M; + if (is_pci) + s->sr[0x17] = CIRRUS_BUSTYPE_PCI; + else + s->sr[0x17] = CIRRUS_BUSTYPE_ISA; + s->real_vram_size = 2048 * 1024; + s->sr[0x15] = 0x03; /* memory size, 3=2MB, 4=4MB */ + } s->cr[0x27] = device_id; + /* Win2K seems to assume that the pattern buffer is at 0xff + initially ! */ + memset(s->vram_ptr, 0xff, s->real_vram_size); + s->cirrus_hidden_dac_lockindex = 5; s->cirrus_hidden_dac_data = 0; @@ -2784,10 +2828,12 @@ static void cirrus_init_common(CirrusVGAState * s, int device_id) cpu_register_io_memory(0, cirrus_mmio_read, cirrus_mmio_write, s); /* XXX: s->vram_size must be a power of two */ - s->cirrus_addr_mask = s->vram_size - 1; + s->cirrus_addr_mask = s->real_vram_size - 1; + s->linear_mmio_mask = s->real_vram_size - 256; s->get_bpp = cirrus_get_bpp; s->get_offsets = cirrus_get_offsets; + s->get_resolution = cirrus_get_resolution; s->cursor_invalidate = cirrus_cursor_invalidate; s->cursor_draw_line = cirrus_cursor_draw_line; } @@ -2807,8 +2853,7 @@ void isa_cirrus_vga_init(DisplayState *ds, uint8_t *vga_ram_base, vga_common_init((VGAState *)s, ds, vga_ram_base, vga_ram_offset, vga_ram_size); - cirrus_init_common(s, CIRRUS_ID_CLGD5430); - s->sr[0x17] = CIRRUS_BUSTYPE_ISA; + cirrus_init_common(s, CIRRUS_ID_CLGD5430, 0); /* XXX ISA-LFB support */ } @@ -2867,8 +2912,7 @@ void pci_cirrus_vga_init(DisplayState *ds, uint8_t *vga_ram_base, s = &d->cirrus_vga; vga_common_init((VGAState *)s, ds, vga_ram_base, vga_ram_offset, vga_ram_size); - cirrus_init_common(s, device_id); - s->sr[0x17] = CIRRUS_BUSTYPE_PCI; + cirrus_init_common(s, device_id, 1); /* setup memory space */ /* memory #0 LFB */ |