Do not use the base address to access data in local memory. This is in
preparation to allow chip connected via PCI where base address depends
on where the BAR is mapped so it will be unknown.
Signed-off-by: BALATON Zoltan <bala...@eik.bme.hu>
---
hw/display/sm501.c | 6 ++----
hw/display/sm501_template.h | 8 ++++----
2 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/hw/display/sm501.c b/hw/display/sm501.c
index 22cac97..1cda127 100644
--- a/hw/display/sm501.c
+++ b/hw/display/sm501.c
@@ -460,7 +460,6 @@ typedef struct SM501State {
QemuConsole *con;
/* status & internal resources */
- hwaddr base;
uint32_t local_mem_size_index;
uint8_t *local_mem;
MemoryRegion local_mem_region;
@@ -1400,10 +1399,9 @@ static const GraphicHwOps sm501_ops = {
.gfx_update = sm501_update_display,
};
-static void sm501_init(SM501State *s, DeviceState *dev, uint32_t base,
+static void sm501_init(SM501State *s, DeviceState *dev,
uint32_t local_mem_bytes)
{
- s->base = base;
s->local_mem_size_index = get_local_mem_size_index(local_mem_bytes);
SM501_DPRINTF("sm501 local mem size=%x. index=%d\n", get_local_mem_size(s),
s->local_mem_size_index);
@@ -1461,7 +1459,7 @@ static void sm501_realize_sysbus(DeviceState *dev, Error
**errp)
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
DeviceState *usb_dev;
- sm501_init(&s->state, dev, s->base, s->vram_size);
+ sm501_init(&s->state, dev, s->vram_size);
sysbus_init_mmio(sbd, &s->state.local_mem_region);
sysbus_init_mmio(sbd, &s->state.mmio_region);
diff --git a/hw/display/sm501_template.h b/hw/display/sm501_template.h
index 16e500b..832ee61 100644
--- a/hw/display/sm501_template.h
+++ b/hw/display/sm501_template.h
@@ -103,13 +103,13 @@ static void glue(draw_hwc_line_, PIXEL_NAME)(SM501State
*s, int crt,
uint8_t *palette, int c_y, uint8_t *d, int width)
{
int x, i;
- uint8_t bitset = 0;
+ uint8_t *pixval, bitset = 0;
/* get hardware cursor pattern */
uint32_t cursor_addr = get_hwc_address(s, crt);
assert(0 <= c_y && c_y < SM501_HWC_HEIGHT);
cursor_addr += SM501_HWC_WIDTH * c_y / 4; /* 4 pixels per byte */
- cursor_addr += s->base;
+ pixval = s->local_mem + cursor_addr;
/* get cursor position */
x = get_hwc_x(s, crt);
@@ -120,8 +120,8 @@ static void glue(draw_hwc_line_, PIXEL_NAME)(SM501State *s,
int crt,
/* get pixel value */
if (i % 4 == 0) {
- bitset = ldub_phys(&address_space_memory, cursor_addr);
- cursor_addr++;
+ bitset = ldub_p(pixval);
+ pixval++;
}
v = bitset & 3;
bitset >>= 2;
--
2.7.4