Revision 44654490 hw/sm501.c
| b/hw/sm501.c | ||
|---|---|---|
| 455 | 455 |
target_phys_addr_t base; |
| 456 | 456 |
uint32_t local_mem_size_index; |
| 457 | 457 |
uint8_t * local_mem; |
| 458 |
ram_addr_t local_mem_offset; |
|
| 458 | 459 |
uint32_t last_width; |
| 459 | 460 |
uint32_t last_height; |
| 460 | 461 |
|
| ... | ... | |
| 972 | 973 |
int y_start = -1; |
| 973 | 974 |
int page_min = 0x7fffffff; |
| 974 | 975 |
int page_max = -1; |
| 976 |
ram_addr_t offset = s->local_mem_offset; |
|
| 975 | 977 |
|
| 976 | 978 |
/* choose draw_line function */ |
| 977 | 979 |
switch (s->dc_crt_control & 3) {
|
| ... | ... | |
| 1005 | 1007 |
/* draw each line according to conditions */ |
| 1006 | 1008 |
for (y = 0; y < height; y++) {
|
| 1007 | 1009 |
int update = full_update; |
| 1008 |
uint8_t * line_end = &src[width * src_bpp - 1]; |
|
| 1009 |
int page0 = (src - phys_ram_base) & TARGET_PAGE_MASK; |
|
| 1010 |
int page1 = (line_end - phys_ram_base) & TARGET_PAGE_MASK; |
|
| 1011 |
int page; |
|
| 1010 |
ram_addr_t page0 = offset & TARGET_PAGE_MASK; |
|
| 1011 |
ram_addr_t page1 = (offset + width * src_bpp - 1) & TARGET_PAGE_MASK; |
|
| 1012 |
ram_addr_t page; |
|
| 1012 | 1013 |
|
| 1013 | 1014 |
/* check dirty flags for each line */ |
| 1014 | 1015 |
for (page = page0; page <= page1; page += TARGET_PAGE_SIZE) |
| ... | ... | |
| 1033 | 1034 |
} |
| 1034 | 1035 |
|
| 1035 | 1036 |
src += width * src_bpp; |
| 1037 |
offset += width * src_bpp; |
|
| 1036 | 1038 |
} |
| 1037 | 1039 |
|
| 1038 | 1040 |
/* complete flush to display */ |
| ... | ... | |
| 1053 | 1055 |
sm501_draw_crt(s); |
| 1054 | 1056 |
} |
| 1055 | 1057 |
|
| 1056 |
void sm501_init(uint32_t base, unsigned long local_mem_base, |
|
| 1057 |
uint32_t local_mem_bytes, CharDriverState *chr) |
|
| 1058 |
void sm501_init(uint32_t base, uint32_t local_mem_bytes, CharDriverState *chr) |
|
| 1058 | 1059 |
{
|
| 1059 | 1060 |
SM501State * s; |
| 1060 | 1061 |
int sm501_system_config_index; |
| ... | ... | |
| 1073 | 1074 |
s->dc_crt_control = 0x00010000; |
| 1074 | 1075 |
|
| 1075 | 1076 |
/* allocate local memory */ |
| 1076 |
s->local_mem = (uint8 *)phys_ram_base + local_mem_base; |
|
| 1077 |
cpu_register_physical_memory(base, local_mem_bytes, local_mem_base); |
|
| 1077 |
s->local_mem_offset = qemu_ram_alloc(local_mem_bytes); |
|
| 1078 |
s->local_mem = qemu_get_ram_ptr(s->local_mem_offset); |
|
| 1079 |
cpu_register_physical_memory(base, local_mem_bytes, s->local_mem_offset); |
|
| 1078 | 1080 |
|
| 1079 | 1081 |
/* map mmio */ |
| 1080 | 1082 |
sm501_system_config_index |
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