diff options
Diffstat (limited to 'hw/vga.c')
| -rw-r--r-- | hw/vga.c | 146 |
1 files changed, 67 insertions, 79 deletions
@@ -28,6 +28,7 @@ #include "vga_int.h" #include "pixel_ops.h" #include "qemu-timer.h" +#include "exec-memory.h" //#define DEBUG_VGA //#define DEBUG_VGA_MEM @@ -825,7 +826,7 @@ void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) printf("vga: chain4: [0x" TARGET_FMT_plx "]\n", addr); #endif s->plane_updated |= mask; /* only used to detect font change */ - cpu_physical_memory_set_dirty(s->vram_offset + addr); + memory_region_set_dirty(&s->vram, addr); } } else if (s->gr[5] & 0x10) { /* odd/even mode (aka text mode mapping) */ @@ -838,7 +839,7 @@ void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) printf("vga: odd/even: [0x" TARGET_FMT_plx "]\n", addr); #endif s->plane_updated |= mask; /* only used to detect font change */ - cpu_physical_memory_set_dirty(s->vram_offset + addr); + memory_region_set_dirty(&s->vram, addr); } } else { /* standard VGA latched access */ @@ -912,7 +913,7 @@ void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) printf("vga: latch: [0x" TARGET_FMT_plx "] mask=0x%08x val=0x%08x\n", addr * 4, write_mask, val); #endif - cpu_physical_memory_set_dirty(s->vram_offset + (addr << 2)); + memory_region_set_dirty(&s->vram, addr << 2); } } @@ -1553,57 +1554,17 @@ void vga_invalidate_scanlines(VGACommonState *s, int y1, int y2) static void vga_sync_dirty_bitmap(VGACommonState *s) { - if (s->map_addr) - cpu_physical_sync_dirty_bitmap(s->map_addr, s->map_end); - - if (s->lfb_vram_mapped) { - cpu_physical_sync_dirty_bitmap(isa_mem_base + 0xa0000, 0xa8000); - cpu_physical_sync_dirty_bitmap(isa_mem_base + 0xa8000, 0xb0000); - } - -#ifdef CONFIG_BOCHS_VBE - if (s->vbe_mapped) { - cpu_physical_sync_dirty_bitmap(VBE_DISPI_LFB_PHYSICAL_ADDRESS, - VBE_DISPI_LFB_PHYSICAL_ADDRESS + s->vram_size); - } -#endif - + memory_region_sync_dirty_bitmap(&s->vram); } void vga_dirty_log_start(VGACommonState *s) { - if (s->map_addr) { - cpu_physical_log_start(s->map_addr, s->map_end - s->map_addr); - } - - if (s->lfb_vram_mapped) { - cpu_physical_log_start(isa_mem_base + 0xa0000, 0x8000); - cpu_physical_log_start(isa_mem_base + 0xa8000, 0x8000); - } - -#ifdef CONFIG_BOCHS_VBE - if (s->vbe_mapped) { - cpu_physical_log_start(VBE_DISPI_LFB_PHYSICAL_ADDRESS, s->vram_size); - } -#endif + memory_region_set_log(&s->vram, true, DIRTY_MEMORY_VGA); } void vga_dirty_log_stop(VGACommonState *s) { - if (s->map_addr) { - cpu_physical_log_stop(s->map_addr, s->map_end - s->map_addr); - } - - if (s->lfb_vram_mapped) { - cpu_physical_log_stop(isa_mem_base + 0xa0000, 0x8000); - cpu_physical_log_stop(isa_mem_base + 0xa8000, 0x8000); - } - -#ifdef CONFIG_BOCHS_VBE - if (s->vbe_mapped) { - cpu_physical_log_stop(VBE_DISPI_LFB_PHYSICAL_ADDRESS, s->vram_size); - } -#endif + memory_region_set_log(&s->vram, false, DIRTY_MEMORY_VGA); } void vga_dirty_log_restart(VGACommonState *s) @@ -1773,15 +1734,16 @@ static void vga_draw_graphic(VGACommonState *s, int full_update) if (!(s->cr[0x17] & 2)) { addr = (addr & ~0x8000) | ((y1 & 2) << 14); } - page0 = s->vram_offset + (addr & TARGET_PAGE_MASK); - page1 = s->vram_offset + ((addr + bwidth - 1) & TARGET_PAGE_MASK); + page0 = addr & TARGET_PAGE_MASK; + page1 = (addr + bwidth - 1) & TARGET_PAGE_MASK; update = full_update | - cpu_physical_memory_get_dirty(page0, VGA_DIRTY_FLAG) | - cpu_physical_memory_get_dirty(page1, VGA_DIRTY_FLAG); + memory_region_get_dirty(&s->vram, page0, DIRTY_MEMORY_VGA) | + memory_region_get_dirty(&s->vram, page1, DIRTY_MEMORY_VGA); if ((page1 - page0) > TARGET_PAGE_SIZE) { /* if wide line, can use another page */ - update |= cpu_physical_memory_get_dirty(page0 + TARGET_PAGE_SIZE, - VGA_DIRTY_FLAG); + update |= memory_region_get_dirty(&s->vram, + page0 + TARGET_PAGE_SIZE, + DIRTY_MEMORY_VGA); } /* explicit invalidation for the hardware cursor */ update |= (s->invalidated_y_table[y >> 5] >> (y & 0x1f)) & 1; @@ -1826,8 +1788,10 @@ static void vga_draw_graphic(VGACommonState *s, int full_update) } /* reset modified pages */ if (page_max >= page_min) { - cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE, - VGA_DIRTY_FLAG); + memory_region_reset_dirty(&s->vram, + page_min, + page_max + TARGET_PAGE_SIZE - page_min, + DIRTY_MEMORY_VGA); } memset(s->invalidated_y_table, 0, ((height + 31) >> 5) * 4); } @@ -1906,11 +1870,6 @@ static void vga_invalidate_display(void *opaque) void vga_common_reset(VGACommonState *s) { - s->lfb_addr = 0; - s->lfb_end = 0; - s->map_addr = 0; - s->map_end = 0; - s->lfb_vram_mapped = 0; s->sr_index = 0; memset(s->sr, '\0', sizeof(s->sr)); s->gr_index = 0; @@ -2141,16 +2100,36 @@ static void vga_update_text(void *opaque, console_ch_t *chardata) dpy_update(s->ds, 0, 0, s->last_width, height); } -CPUReadMemoryFunc * const vga_mem_read[3] = { - vga_mem_readb, - vga_mem_readw, - vga_mem_readl, -}; +static uint64_t vga_mem_read(void *opaque, target_phys_addr_t addr, + unsigned size) +{ + VGACommonState *s = opaque; + + switch (size) { + case 1: return vga_mem_readb(s, addr); + case 2: return vga_mem_readw(s, addr); + case 4: return vga_mem_readl(s, addr); + default: abort(); + } +} -CPUWriteMemoryFunc * const vga_mem_write[3] = { - vga_mem_writeb, - vga_mem_writew, - vga_mem_writel, +static void vga_mem_write(void *opaque, target_phys_addr_t addr, + uint64_t data, unsigned size) +{ + VGACommonState *s = opaque; + + switch (size) { + case 1: return vga_mem_writeb(s, addr, data); + case 2: return vga_mem_writew(s, addr, data); + case 4: return vga_mem_writel(s, addr, data); + default: abort(); + } +} + +const MemoryRegionOps vga_mem_ops = { + .read = vga_mem_read, + .write = vga_mem_write, + .endianness = DEVICE_LITTLE_ENDIAN, }; static int vga_common_post_load(void *opaque, int version_id) @@ -2236,8 +2215,8 @@ void vga_common_init(VGACommonState *s, int vga_ram_size) #else s->is_vbe_vmstate = 0; #endif - s->vram_offset = qemu_ram_alloc(NULL, "vga.vram", vga_ram_size); - s->vram_ptr = qemu_get_ram_ptr(s->vram_offset); + memory_region_init_ram(&s->vram, NULL, "vga.vram", vga_ram_size); + s->vram_ptr = memory_region_get_ram_ptr(&s->vram); s->vram_size = vga_ram_size; s->get_bpp = vga_get_bpp; s->get_offsets = vga_get_offsets; @@ -2257,11 +2236,14 @@ void vga_common_init(VGACommonState *s, int vga_ram_size) s->update_retrace_info = vga_precise_update_retrace_info; break; } + vga_dirty_log_start(s); } /* used by both ISA and PCI */ -int vga_init_io(VGACommonState *s) +MemoryRegion *vga_init_io(VGACommonState *s) { + MemoryRegion *vga_mem; + register_ioport_write(0x3c0, 16, 1, vga_ioport_write, s); register_ioport_write(0x3b4, 2, 1, vga_ioport_write, s); @@ -2292,30 +2274,36 @@ int vga_init_io(VGACommonState *s) #endif #endif /* CONFIG_BOCHS_VBE */ - return cpu_register_io_memory(vga_mem_read, vga_mem_write, s, - DEVICE_LITTLE_ENDIAN); + vga_mem = qemu_malloc(sizeof(*vga_mem)); + memory_region_init_io(vga_mem, &vga_mem_ops, s, + "vga-lowmem", 0x20000); + + return vga_mem; } void vga_init(VGACommonState *s) { - int vga_io_memory; + MemoryRegion *vga_io_memory; qemu_register_reset(vga_reset, s); s->bank_offset = 0; vga_io_memory = vga_init_io(s); - cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000, - vga_io_memory); - qemu_register_coalesced_mmio(isa_mem_base + 0x000a0000, 0x20000); + memory_region_add_subregion_overlap(get_system_memory(), + isa_mem_base + 0x000a0000, + vga_io_memory, + 1); + memory_region_set_coalescing(vga_io_memory); } void vga_init_vbe(VGACommonState *s) { #ifdef CONFIG_BOCHS_VBE /* XXX: use optimized standard vga accesses */ - cpu_register_physical_memory(VBE_DISPI_LFB_PHYSICAL_ADDRESS, - VGA_RAM_SIZE, s->vram_offset); + memory_region_add_subregion(get_system_memory(), + VBE_DISPI_LFB_PHYSICAL_ADDRESS, + &s->vram); s->vbe_mapped = 1; #endif } |