diff options
-rw-r--r-- | Makefile.target | 2 | ||||
-rw-r--r-- | hw/vga-isa-mm.c | 130 | ||||
-rw-r--r-- | hw/vga.c | 96 | ||||
-rw-r--r-- | hw/vga_int.h | 1 |
4 files changed, 131 insertions, 98 deletions
diff --git a/Makefile.target b/Makefile.target index d5e0008..5642697 100644 --- a/Makefile.target +++ b/Makefile.target @@ -212,7 +212,7 @@ obj-ppc-$(CONFIG_FDT) += device_tree.o obj-mips-y = mips_r4k.o mips_jazz.o mips_malta.o mips_mipssim.o obj-mips-y += mips_timer.o mips_int.o dma.o vga.o serial.o i8254.o i8259.o rc4030.o -obj-mips-y += vga-pci.o vga-isa.o +obj-mips-y += vga-pci.o vga-isa.o vga-isa-mm.o obj-mips-y += g364fb.o jazz_led.o dp8393x.o obj-mips-y += ide/core.o ide/isa.o ide/pci.o obj-mips-y += gt64xxx.o pckbd.o fdc.o mc146818rtc.o usb-uhci.o acpi.o ds1225y.o diff --git a/hw/vga-isa-mm.c b/hw/vga-isa-mm.c new file mode 100644 index 0000000..f8fc940 --- /dev/null +++ b/hw/vga-isa-mm.c @@ -0,0 +1,130 @@ +/* + * QEMU ISA MM VGA Emulator. + * + * Copyright (c) 2003 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "hw.h" +#include "console.h" +#include "pc.h" +#include "vga_int.h" +#include "pixel_ops.h" +#include "qemu-timer.h" + +typedef struct ISAVGAMMState { + VGACommonState vga; + int it_shift; +} ISAVGAMMState; + +/* Memory mapped interface */ +static uint32_t vga_mm_readb (void *opaque, target_phys_addr_t addr) +{ + ISAVGAMMState *s = opaque; + + return vga_ioport_read(&s->vga, addr >> s->it_shift) & 0xff; +} + +static void vga_mm_writeb (void *opaque, + target_phys_addr_t addr, uint32_t value) +{ + ISAVGAMMState *s = opaque; + + vga_ioport_write(&s->vga, addr >> s->it_shift, value & 0xff); +} + +static uint32_t vga_mm_readw (void *opaque, target_phys_addr_t addr) +{ + ISAVGAMMState *s = opaque; + + return vga_ioport_read(&s->vga, addr >> s->it_shift) & 0xffff; +} + +static void vga_mm_writew (void *opaque, + target_phys_addr_t addr, uint32_t value) +{ + ISAVGAMMState *s = opaque; + + vga_ioport_write(&s->vga, addr >> s->it_shift, value & 0xffff); +} + +static uint32_t vga_mm_readl (void *opaque, target_phys_addr_t addr) +{ + ISAVGAMMState *s = opaque; + + return vga_ioport_read(&s->vga, addr >> s->it_shift); +} + +static void vga_mm_writel (void *opaque, + target_phys_addr_t addr, uint32_t value) +{ + ISAVGAMMState *s = opaque; + + vga_ioport_write(&s->vga, addr >> s->it_shift, value); +} + +static CPUReadMemoryFunc * const vga_mm_read_ctrl[] = { + &vga_mm_readb, + &vga_mm_readw, + &vga_mm_readl, +}; + +static CPUWriteMemoryFunc * const vga_mm_write_ctrl[] = { + &vga_mm_writeb, + &vga_mm_writew, + &vga_mm_writel, +}; + +static void vga_mm_init(ISAVGAMMState *s, target_phys_addr_t vram_base, + target_phys_addr_t ctrl_base, int it_shift) +{ + int s_ioport_ctrl, vga_io_memory; + + s->it_shift = it_shift; + s_ioport_ctrl = cpu_register_io_memory(vga_mm_read_ctrl, vga_mm_write_ctrl, s); + vga_io_memory = cpu_register_io_memory(vga_mem_read, vga_mem_write, s); + + register_savevm("vga", 0, 2, vga_common_save, vga_common_load, s); + + cpu_register_physical_memory(ctrl_base, 0x100000, s_ioport_ctrl); + s->vga.bank_offset = 0; + cpu_register_physical_memory(vram_base + 0x000a0000, 0x20000, vga_io_memory); + qemu_register_coalesced_mmio(vram_base + 0x000a0000, 0x20000); +} + +int isa_vga_mm_init(target_phys_addr_t vram_base, + target_phys_addr_t ctrl_base, int it_shift) +{ + ISAVGAMMState *s; + + s = qemu_mallocz(sizeof(*s)); + + vga_common_init(&s->vga, VGA_RAM_SIZE); + vga_mm_init(s, vram_base, ctrl_base, it_shift); + + s->vga.ds = graphic_console_init(s->vga.update, s->vga.invalidate, + s->vga.screen_dump, s->vga.text_update, s); + +#ifdef CONFIG_BOCHS_VBE + /* XXX: use optimized standard vga accesses */ + cpu_register_physical_memory(VBE_DISPI_LFB_PHYSICAL_ADDRESS, + VGA_RAM_SIZE, s->vga.vram_offset); +#endif + return 0; +} @@ -2319,102 +2319,6 @@ void vga_init(VGAState *s) qemu_register_coalesced_mmio(isa_mem_base + 0x000a0000, 0x20000); } -/* Memory mapped interface */ -static uint32_t vga_mm_readb (void *opaque, target_phys_addr_t addr) -{ - VGAState *s = opaque; - - return vga_ioport_read(s, addr >> s->it_shift) & 0xff; -} - -static void vga_mm_writeb (void *opaque, - target_phys_addr_t addr, uint32_t value) -{ - VGAState *s = opaque; - - vga_ioport_write(s, addr >> s->it_shift, value & 0xff); -} - -static uint32_t vga_mm_readw (void *opaque, target_phys_addr_t addr) -{ - VGAState *s = opaque; - - return vga_ioport_read(s, addr >> s->it_shift) & 0xffff; -} - -static void vga_mm_writew (void *opaque, - target_phys_addr_t addr, uint32_t value) -{ - VGAState *s = opaque; - - vga_ioport_write(s, addr >> s->it_shift, value & 0xffff); -} - -static uint32_t vga_mm_readl (void *opaque, target_phys_addr_t addr) -{ - VGAState *s = opaque; - - return vga_ioport_read(s, addr >> s->it_shift); -} - -static void vga_mm_writel (void *opaque, - target_phys_addr_t addr, uint32_t value) -{ - VGAState *s = opaque; - - vga_ioport_write(s, addr >> s->it_shift, value); -} - -static CPUReadMemoryFunc * const vga_mm_read_ctrl[] = { - &vga_mm_readb, - &vga_mm_readw, - &vga_mm_readl, -}; - -static CPUWriteMemoryFunc * const vga_mm_write_ctrl[] = { - &vga_mm_writeb, - &vga_mm_writew, - &vga_mm_writel, -}; - -static void vga_mm_init(VGAState *s, target_phys_addr_t vram_base, - target_phys_addr_t ctrl_base, int it_shift) -{ - int s_ioport_ctrl, vga_io_memory; - - s->it_shift = it_shift; - s_ioport_ctrl = cpu_register_io_memory(vga_mm_read_ctrl, vga_mm_write_ctrl, s); - vga_io_memory = cpu_register_io_memory(vga_mem_read, vga_mem_write, s); - - register_savevm("vga", 0, 2, vga_common_save, vga_common_load, s); - - cpu_register_physical_memory(ctrl_base, 0x100000, s_ioport_ctrl); - s->bank_offset = 0; - cpu_register_physical_memory(vram_base + 0x000a0000, 0x20000, vga_io_memory); - qemu_register_coalesced_mmio(vram_base + 0x000a0000, 0x20000); -} - -int isa_vga_mm_init(target_phys_addr_t vram_base, - target_phys_addr_t ctrl_base, int it_shift) -{ - VGAState *s; - - s = qemu_mallocz(sizeof(VGAState)); - - vga_common_init(s, VGA_RAM_SIZE); - vga_mm_init(s, vram_base, ctrl_base, it_shift); - - s->ds = graphic_console_init(s->update, s->invalidate, - s->screen_dump, s->text_update, 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); -#endif - return 0; -} - /********************************************************/ /* vga screen dump */ diff --git a/hw/vga_int.h b/hw/vga_int.h index ed88595..9ff205d 100644 --- a/hw/vga_int.h +++ b/hw/vga_int.h @@ -109,7 +109,6 @@ typedef struct VGACommonState { uint32_t lfb_vram_mapped; /* whether 0xa0000 is mapped as ram */ uint32_t bios_offset; uint32_t bios_size; - int it_shift; uint32_t latch; uint8_t sr_index; uint8_t sr[256]; |