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author | Juan Quintela <quintela@redhat.com> | 2009-08-31 16:07:18 +0200 |
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committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-09-09 14:55:11 -0500 |
commit | 79b97bf2e7f33ca4338fe3d83f2a38c97450d350 (patch) | |
tree | d9c6c8045e53d587b59df8764df289e64b051b3a /hw/vga-isa-mm.c | |
parent | f97e36b9d60d58eed80bcb27c6e47216145a71da (diff) | |
download | qemu-79b97bf2e7f33ca4338fe3d83f2a38c97450d350.tar.gz qemu-79b97bf2e7f33ca4338fe3d83f2a38c97450d350.tar.bz2 qemu-79b97bf2e7f33ca4338fe3d83f2a38c97450d350.zip |
vga: split vga-isa-mm.o
It is only used in mips softmmu, compile only there.
it_shift field was only used for vga_isa_mm, move it from VGACommonState
to ISAVGAMMstate.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/vga-isa-mm.c')
-rw-r--r-- | hw/vga-isa-mm.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/hw/vga-isa-mm.c b/hw/vga-isa-mm.c new file mode 100644 index 0000000000..f8fc940ed4 --- /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; +} |