Cleanup SPARC/TCX framebuffer allocation.
Signed-off-by: Paul Brook <paul@codesourcery.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7059 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/cpu-all.h b/cpu-all.h
index 366f47e..f2f8aac 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -906,6 +906,8 @@
ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr);
ram_addr_t qemu_ram_alloc(ram_addr_t);
void qemu_ram_free(ram_addr_t addr);
+/* This should only be used for ram local to a device. */
+void *qemu_get_ram_ptr(ram_addr_t addr);
int cpu_register_io_memory(int io_index,
CPUReadMemoryFunc **mem_read,
CPUWriteMemoryFunc **mem_write,
diff --git a/exec.c b/exec.c
index b41edef..9671199 100644
--- a/exec.c
+++ b/exec.c
@@ -2427,6 +2427,14 @@
{
}
+/* Return a host pointer to ram allocated with qemu_ram_alloc.
+ This may only be used if you actually allocated the ram, and
+ aready know how but the ram block is. */
+void *qemu_get_ram_ptr(ram_addr_t addr)
+{
+ return phys_ram_base + addr;
+}
+
static uint32_t unassigned_mem_readb(void *opaque, target_phys_addr_t addr)
{
#ifdef DEBUG_UNASSIGNED
diff --git a/hw/sun4m.c b/hw/sun4m.c
index 9b3bab1..a459055 100644
--- a/hw/sun4m.c
+++ b/hw/sun4m.c
@@ -382,7 +382,7 @@
qemu_irq *esp_reset, *le_reset;
qemu_irq *fdc_tc;
qemu_irq *cpu_halt;
- ram_addr_t ram_offset, prom_offset, tcx_offset, idreg_offset;
+ ram_addr_t ram_offset, prom_offset, idreg_offset;
unsigned long kernel_size;
int ret;
char buf[1024];
@@ -478,9 +478,8 @@
fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
exit (1);
}
- tcx_offset = qemu_ram_alloc(hwdef->vram_size);
- tcx_init(hwdef->tcx_base, phys_ram_base + tcx_offset, tcx_offset,
- hwdef->vram_size, graphic_width, graphic_height, graphic_depth);
+ tcx_init(hwdef->tcx_base, hwdef->vram_size, graphic_width, graphic_height,
+ graphic_depth);
lance_init(&nd_table[0], hwdef->le_base, ledma, *ledma_irq, le_reset);
@@ -1183,7 +1182,7 @@
qemu_irq *cpu_irqs[MAX_CPUS], *sbi_irq, *sbi_cpu_irq,
*espdma_irq, *ledma_irq;
qemu_irq *esp_reset, *le_reset;
- ram_addr_t ram_offset, prom_offset, tcx_offset;
+ ram_addr_t ram_offset, prom_offset;
unsigned long kernel_size;
int ret;
char buf[1024];
@@ -1264,9 +1263,8 @@
fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
exit (1);
}
- tcx_offset = qemu_ram_alloc(hwdef->vram_size);
- tcx_init(hwdef->tcx_base, phys_ram_base + tcx_offset, tcx_offset,
- hwdef->vram_size, graphic_width, graphic_height, graphic_depth);
+ tcx_init(hwdef->tcx_base, hwdef->vram_size, graphic_width, graphic_height,
+ graphic_depth);
lance_init(&nd_table[0], hwdef->le_base, ledma, *ledma_irq, le_reset);
@@ -1409,7 +1407,7 @@
qemu_irq *cpu_irqs, *slavio_irq, *espdma_irq, *ledma_irq;
qemu_irq *esp_reset, *le_reset;
qemu_irq *fdc_tc;
- ram_addr_t ram_offset, prom_offset, tcx_offset;
+ ram_addr_t ram_offset, prom_offset;
unsigned long kernel_size;
int ret;
char buf[1024];
@@ -1481,9 +1479,8 @@
fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
exit (1);
}
- tcx_offset = qemu_ram_alloc(hwdef->vram_size);
- tcx_init(hwdef->tcx_base, phys_ram_base + tcx_offset, tcx_offset,
- hwdef->vram_size, graphic_width, graphic_height, graphic_depth);
+ tcx_init(hwdef->tcx_base, hwdef->vram_size, graphic_width, graphic_height,
+ graphic_depth);
lance_init(&nd_table[0], hwdef->le_base, ledma, *ledma_irq, le_reset);
diff --git a/hw/sun4m.h b/hw/sun4m.h
index 219aaef..726cd186 100644
--- a/hw/sun4m.h
+++ b/hw/sun4m.h
@@ -24,8 +24,7 @@
}
/* tcx.c */
-void tcx_init(target_phys_addr_t addr, uint8_t *vram_base,
- unsigned long vram_offset, int vram_size, int width, int height,
+void tcx_init(target_phys_addr_t addr, int vram_size, int width, int height,
int depth);
/* slavio_intctl.c */
diff --git a/hw/tcx.c b/hw/tcx.c
index 4854815..4aa4b62 100644
--- a/hw/tcx.c
+++ b/hw/tcx.c
@@ -497,13 +497,17 @@
tcx_dummy_writel,
};
-void tcx_init(target_phys_addr_t addr, uint8_t *vram_base,
- unsigned long vram_offset, int vram_size, int width, int height,
+void tcx_init(target_phys_addr_t addr, int vram_size, int width, int height,
int depth)
{
TCXState *s;
int io_memory, dummy_memory;
+ ram_addr_t vram_offset;
int size;
+ uint8_t *vram_base;
+
+ vram_offset = qemu_ram_alloc(vram_size);
+ vram_base = qemu_get_ram_ptr(vram_offset);
s = qemu_mallocz(sizeof(TCXState));
s->addr = addr;