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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>remotes/github/stable-0.12
committed by
Anthony Liguori
4 changed files with 131 additions and 98 deletions
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/*
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* QEMU ISA MM VGA Emulator. |
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* |
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* Copyright (c) 2003 Fabrice Bellard |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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#include "hw.h" |
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#include "console.h" |
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#include "pc.h" |
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#include "vga_int.h" |
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#include "pixel_ops.h" |
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#include "qemu-timer.h" |
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typedef struct ISAVGAMMState { |
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VGACommonState vga; |
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int it_shift; |
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} ISAVGAMMState; |
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/* Memory mapped interface */ |
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static uint32_t vga_mm_readb (void *opaque, target_phys_addr_t addr) |
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{ |
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ISAVGAMMState *s = opaque; |
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return vga_ioport_read(&s->vga, addr >> s->it_shift) & 0xff; |
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} |
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static void vga_mm_writeb (void *opaque, |
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target_phys_addr_t addr, uint32_t value) |
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{ |
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ISAVGAMMState *s = opaque; |
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vga_ioport_write(&s->vga, addr >> s->it_shift, value & 0xff); |
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} |
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static uint32_t vga_mm_readw (void *opaque, target_phys_addr_t addr) |
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{ |
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ISAVGAMMState *s = opaque; |
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return vga_ioport_read(&s->vga, addr >> s->it_shift) & 0xffff; |
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} |
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static void vga_mm_writew (void *opaque, |
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target_phys_addr_t addr, uint32_t value) |
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{ |
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ISAVGAMMState *s = opaque; |
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vga_ioport_write(&s->vga, addr >> s->it_shift, value & 0xffff); |
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} |
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static uint32_t vga_mm_readl (void *opaque, target_phys_addr_t addr) |
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{ |
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ISAVGAMMState *s = opaque; |
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return vga_ioport_read(&s->vga, addr >> s->it_shift); |
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} |
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static void vga_mm_writel (void *opaque, |
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target_phys_addr_t addr, uint32_t value) |
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{ |
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ISAVGAMMState *s = opaque; |
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vga_ioport_write(&s->vga, addr >> s->it_shift, value); |
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} |
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static CPUReadMemoryFunc * const vga_mm_read_ctrl[] = { |
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&vga_mm_readb, |
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&vga_mm_readw, |
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&vga_mm_readl, |
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}; |
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static CPUWriteMemoryFunc * const vga_mm_write_ctrl[] = { |
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&vga_mm_writeb, |
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&vga_mm_writew, |
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&vga_mm_writel, |
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}; |
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static void vga_mm_init(ISAVGAMMState *s, target_phys_addr_t vram_base, |
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target_phys_addr_t ctrl_base, int it_shift) |
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{ |
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int s_ioport_ctrl, vga_io_memory; |
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s->it_shift = it_shift; |
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s_ioport_ctrl = cpu_register_io_memory(vga_mm_read_ctrl, vga_mm_write_ctrl, s); |
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vga_io_memory = cpu_register_io_memory(vga_mem_read, vga_mem_write, s); |
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register_savevm("vga", 0, 2, vga_common_save, vga_common_load, s); |
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cpu_register_physical_memory(ctrl_base, 0x100000, s_ioport_ctrl); |
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s->vga.bank_offset = 0; |
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cpu_register_physical_memory(vram_base + 0x000a0000, 0x20000, vga_io_memory); |
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qemu_register_coalesced_mmio(vram_base + 0x000a0000, 0x20000); |
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} |
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int isa_vga_mm_init(target_phys_addr_t vram_base, |
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target_phys_addr_t ctrl_base, int it_shift) |
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{ |
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ISAVGAMMState *s; |
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s = qemu_mallocz(sizeof(*s)); |
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vga_common_init(&s->vga, VGA_RAM_SIZE); |
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vga_mm_init(s, vram_base, ctrl_base, it_shift); |
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s->vga.ds = graphic_console_init(s->vga.update, s->vga.invalidate, |
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s->vga.screen_dump, s->vga.text_update, s); |
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#ifdef CONFIG_BOCHS_VBE |
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/* XXX: use optimized standard vga accesses */ |
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cpu_register_physical_memory(VBE_DISPI_LFB_PHYSICAL_ADDRESS, |
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VGA_RAM_SIZE, s->vga.vram_offset); |
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#endif |
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return 0; |
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} |
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