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Diffstat (limited to 'hw/tcx.c')
-rw-r--r--hw/tcx.c152
1 files changed, 85 insertions, 67 deletions
diff --git a/hw/tcx.c b/hw/tcx.c
index 309600d24c..cd24100e14 100644
--- a/hw/tcx.c
+++ b/hw/tcx.c
@@ -40,7 +40,15 @@ typedef struct TCXState {
DisplayState *ds;
uint8_t *vram;
uint32_t *vram24, *cplane;
- ram_addr_t vram_offset, vram24_offset, cplane_offset;
+ MemoryRegion vram_mem;
+ MemoryRegion vram_8bit;
+ MemoryRegion vram_24bit;
+ MemoryRegion vram_cplane;
+ MemoryRegion dac;
+ MemoryRegion tec;
+ MemoryRegion thc24;
+ MemoryRegion thc8;
+ ram_addr_t vram24_offset, cplane_offset;
uint32_t vram_size;
uint32_t palette[256];
uint8_t r[256], g[256], b[256];
@@ -56,7 +64,7 @@ static void tcx_set_dirty(TCXState *s)
unsigned int i;
for (i = 0; i < MAXX * MAXY; i += TARGET_PAGE_SIZE) {
- cpu_physical_memory_set_dirty(s->vram_offset + i);
+ memory_region_set_dirty(&s->vram_mem, i);
}
}
@@ -65,8 +73,8 @@ static void tcx24_set_dirty(TCXState *s)
unsigned int i;
for (i = 0; i < MAXX * MAXY * 4; i += TARGET_PAGE_SIZE) {
- cpu_physical_memory_set_dirty(s->vram24_offset + i);
- cpu_physical_memory_set_dirty(s->cplane_offset + i);
+ memory_region_set_dirty(&s->vram_mem, s->vram24_offset + i);
+ memory_region_set_dirty(&s->vram_mem, s->cplane_offset + i);
}
}
@@ -174,16 +182,18 @@ static inline void tcx24_draw_line32(TCXState *s1, uint8_t *d,
}
}
-static inline int check_dirty(ram_addr_t page, ram_addr_t page24,
+static inline int check_dirty(TCXState *s, ram_addr_t page, ram_addr_t page24,
ram_addr_t cpage)
{
int ret;
unsigned int off;
- ret = cpu_physical_memory_get_dirty(page, VGA_DIRTY_FLAG);
+ ret = memory_region_get_dirty(&s->vram_mem, page, DIRTY_MEMORY_VGA);
for (off = 0; off < TARGET_PAGE_SIZE * 4; off += TARGET_PAGE_SIZE) {
- ret |= cpu_physical_memory_get_dirty(page24 + off, VGA_DIRTY_FLAG);
- ret |= cpu_physical_memory_get_dirty(cpage + off, VGA_DIRTY_FLAG);
+ ret |= memory_region_get_dirty(&s->vram_mem, page24 + off,
+ DIRTY_MEMORY_VGA);
+ ret |= memory_region_get_dirty(&s->vram_mem, cpage + off,
+ DIRTY_MEMORY_VGA);
}
return ret;
}
@@ -192,16 +202,17 @@ static inline void reset_dirty(TCXState *ts, ram_addr_t page_min,
ram_addr_t page_max, ram_addr_t page24,
ram_addr_t cpage)
{
- cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE,
- VGA_DIRTY_FLAG);
- page_min -= ts->vram_offset;
- page_max -= ts->vram_offset;
- cpu_physical_memory_reset_dirty(page24 + page_min * 4,
- page24 + page_max * 4 + TARGET_PAGE_SIZE,
- VGA_DIRTY_FLAG);
- cpu_physical_memory_reset_dirty(cpage + page_min * 4,
- cpage + page_max * 4 + TARGET_PAGE_SIZE,
- VGA_DIRTY_FLAG);
+ memory_region_reset_dirty(&ts->vram_mem,
+ page_min, page_max + TARGET_PAGE_SIZE,
+ DIRTY_MEMORY_VGA);
+ memory_region_reset_dirty(&ts->vram_mem,
+ page24 + page_min * 4,
+ page24 + page_max * 4 + TARGET_PAGE_SIZE,
+ DIRTY_MEMORY_VGA);
+ memory_region_reset_dirty(&ts->vram_mem,
+ cpage + page_min * 4,
+ cpage + page_max * 4 + TARGET_PAGE_SIZE,
+ DIRTY_MEMORY_VGA);
}
/* Fixed line length 1024 allows us to do nice tricks not possible on
@@ -216,7 +227,7 @@ static void tcx_update_display(void *opaque)
if (ds_get_bits_per_pixel(ts->ds) == 0)
return;
- page = ts->vram_offset;
+ page = 0;
y_start = -1;
page_min = -1;
page_max = 0;
@@ -242,7 +253,7 @@ static void tcx_update_display(void *opaque)
}
for(y = 0; y < ts->height; y += 4, page += TARGET_PAGE_SIZE) {
- if (cpu_physical_memory_get_dirty(page, VGA_DIRTY_FLAG)) {
+ if (memory_region_get_dirty(&ts->vram_mem, page, DIRTY_MEMORY_VGA)) {
if (y_start < 0)
y_start = y;
if (page < page_min)
@@ -279,8 +290,9 @@ static void tcx_update_display(void *opaque)
}
/* 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(&ts->vram_mem,
+ page_min, page_max + TARGET_PAGE_SIZE,
+ DIRTY_MEMORY_VGA);
}
}
@@ -294,7 +306,7 @@ static void tcx24_update_display(void *opaque)
if (ds_get_bits_per_pixel(ts->ds) != 32)
return;
- page = ts->vram_offset;
+ page = 0;
page24 = ts->vram24_offset;
cpage = ts->cplane_offset;
y_start = -1;
@@ -309,7 +321,7 @@ static void tcx24_update_display(void *opaque)
for(y = 0; y < ts->height; y += 4, page += TARGET_PAGE_SIZE,
page24 += TARGET_PAGE_SIZE, cpage += TARGET_PAGE_SIZE) {
- if (check_dirty(page, page24, cpage)) {
+ if (check_dirty(ts, page, page24, cpage)) {
if (y_start < 0)
y_start = y;
if (page < page_min)
@@ -421,18 +433,20 @@ static void tcx_reset(DeviceState *d)
s->r[255] = s->g[255] = s->b[255] = 255;
update_palette_entries(s, 0, 256);
memset(s->vram, 0, MAXX*MAXY);
- cpu_physical_memory_reset_dirty(s->vram_offset, s->vram_offset +
- MAXX * MAXY * (1 + 4 + 4), VGA_DIRTY_FLAG);
+ memory_region_reset_dirty(&s->vram_mem, 0, MAXX * MAXY * (1 + 4 + 4),
+ DIRTY_MEMORY_VGA);
s->dac_index = 0;
s->dac_state = 0;
}
-static uint32_t tcx_dac_readl(void *opaque, target_phys_addr_t addr)
+static uint64_t tcx_dac_readl(void *opaque, target_phys_addr_t addr,
+ unsigned size)
{
return 0;
}
-static void tcx_dac_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
+static void tcx_dac_writel(void *opaque, target_phys_addr_t addr, uint64_t val,
+ unsigned size)
{
TCXState *s = opaque;
@@ -468,77 +482,77 @@ static void tcx_dac_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
return;
}
-static CPUReadMemoryFunc * const tcx_dac_read[3] = {
- NULL,
- NULL,
- tcx_dac_readl,
+static const MemoryRegionOps tcx_dac_ops = {
+ .read = tcx_dac_readl,
+ .write = tcx_dac_writel,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+ .valid = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
};
-static CPUWriteMemoryFunc * const tcx_dac_write[3] = {
- NULL,
- NULL,
- tcx_dac_writel,
-};
-
-static uint32_t tcx_dummy_readl(void *opaque, target_phys_addr_t addr)
+static uint64_t dummy_readl(void *opaque, target_phys_addr_t addr,
+ unsigned size)
{
return 0;
}
-static void tcx_dummy_writel(void *opaque, target_phys_addr_t addr,
- uint32_t val)
+static void dummy_writel(void *opaque, target_phys_addr_t addr,
+ uint64_t val, unsigned size)
{
}
-static CPUReadMemoryFunc * const tcx_dummy_read[3] = {
- NULL,
- NULL,
- tcx_dummy_readl,
-};
-
-static CPUWriteMemoryFunc * const tcx_dummy_write[3] = {
- NULL,
- NULL,
- tcx_dummy_writel,
+static const MemoryRegionOps dummy_ops = {
+ .read = dummy_readl,
+ .write = dummy_writel,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+ .valid = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
};
static int tcx_init1(SysBusDevice *dev)
{
TCXState *s = FROM_SYSBUS(TCXState, dev);
- int io_memory, dummy_memory;
- ram_addr_t vram_offset;
+ ram_addr_t vram_offset = 0;
int size;
uint8_t *vram_base;
- vram_offset = qemu_ram_alloc(NULL, "tcx.vram", s->vram_size * (1 + 4 + 4));
- vram_base = qemu_get_ram_ptr(vram_offset);
- s->vram_offset = vram_offset;
+ memory_region_init_ram(&s->vram_mem, NULL, "tcx.vram",
+ s->vram_size * (1 + 4 + 4));
+ vram_base = memory_region_get_ram_ptr(&s->vram_mem);
/* 8-bit plane */
s->vram = vram_base;
size = s->vram_size;
- sysbus_init_mmio(dev, size, s->vram_offset);
+ memory_region_init_alias(&s->vram_8bit, "tcx.vram.8bit",
+ &s->vram_mem, vram_offset, size);
+ sysbus_init_mmio_region(dev, &s->vram_8bit);
vram_offset += size;
vram_base += size;
/* DAC */
- io_memory = cpu_register_io_memory(tcx_dac_read, tcx_dac_write, s,
- DEVICE_NATIVE_ENDIAN);
- sysbus_init_mmio(dev, TCX_DAC_NREGS, io_memory);
+ memory_region_init_io(&s->dac, &tcx_dac_ops, s, "tcx.dac", TCX_DAC_NREGS);
+ sysbus_init_mmio_region(dev, &s->dac);
/* TEC (dummy) */
- dummy_memory = cpu_register_io_memory(tcx_dummy_read, tcx_dummy_write,
- s, DEVICE_NATIVE_ENDIAN);
- sysbus_init_mmio(dev, TCX_TEC_NREGS, dummy_memory);
+ memory_region_init_io(&s->tec, &dummy_ops, s, "tcx.tec", TCX_TEC_NREGS);
+ sysbus_init_mmio_region(dev, &s->tec);
/* THC: NetBSD writes here even with 8-bit display: dummy */
- sysbus_init_mmio(dev, TCX_THC_NREGS_24, dummy_memory);
+ memory_region_init_io(&s->thc24, &dummy_ops, s, "tcx.thc24",
+ TCX_THC_NREGS_24);
+ sysbus_init_mmio_region(dev, &s->thc24);
if (s->depth == 24) {
/* 24-bit plane */
size = s->vram_size * 4;
s->vram24 = (uint32_t *)vram_base;
s->vram24_offset = vram_offset;
- sysbus_init_mmio(dev, size, vram_offset);
+ memory_region_init_alias(&s->vram_24bit, "tcx.vram.24bit",
+ &s->vram_mem, vram_offset, size);
+ sysbus_init_mmio_region(dev, &s->vram_24bit);
vram_offset += size;
vram_base += size;
@@ -546,14 +560,18 @@ static int tcx_init1(SysBusDevice *dev)
size = s->vram_size * 4;
s->cplane = (uint32_t *)vram_base;
s->cplane_offset = vram_offset;
- sysbus_init_mmio(dev, size, vram_offset);
+ memory_region_init_alias(&s->vram_cplane, "tcx.vram.cplane",
+ &s->vram_mem, vram_offset, size);
+ sysbus_init_mmio_region(dev, &s->vram_cplane);
s->ds = graphic_console_init(tcx24_update_display,
tcx24_invalidate_display,
tcx24_screen_dump, NULL, s);
} else {
/* THC 8 bit (dummy) */
- sysbus_init_mmio(dev, TCX_THC_NREGS_8, dummy_memory);
+ memory_region_init_io(&s->thc8, &dummy_ops, s, "tcx.thc8",
+ TCX_THC_NREGS_8);
+ sysbus_init_mmio_region(dev, &s->thc8);
s->ds = graphic_console_init(tcx_update_display,
tcx_invalidate_display,
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-20 11:32:43 +0000