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authorJuan Quintela <quintela@redhat.com>2009-08-31 16:07:18 +0200
committerAnthony Liguori <aliguori@us.ibm.com>2009-09-09 14:55:11 -0500
commit79b97bf2e7f33ca4338fe3d83f2a38c97450d350 (patch)
treed9c6c8045e53d587b59df8764df289e64b051b3a /hw/vga-isa-mm.c
parentf97e36b9d60d58eed80bcb27c6e47216145a71da (diff)
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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.c130
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;
+}