Revision 103
changed vbe_mode_info to static
| graphics.c | ||
|---|---|---|
| 7 | 7 |
#include <stdio.h> |
| 8 | 8 |
|
| 9 | 9 |
static void *video_mem; /** @brief Frame-buffer VM address */ |
| 10 |
//static vbe_mode_info_t vbe_mem_info;
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static vbe_mode_info_t vbe_mem_info; |
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| 11 | 11 |
static mmap_t mem_map; |
| 12 | 12 |
|
| 13 | 13 |
int (get_permission)(unsigned int base_addr, unsigned int size) {
|
| ... | ... | |
| 21 | 21 |
return get_permission(MBYTE_BASE, MBYTE_SIZE); |
| 22 | 22 |
} |
| 23 | 23 |
|
| 24 |
int (vbe_get_mode_information)(uint16_t mode, vbe_mode_info_t *vmi_p) {
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memset(vmi_p, 0, sizeof(vbe_mode_info_t)); // reset values
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int (vbe_get_mode_information)(uint16_t mode) {
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memset(&vbe_mem_info, 0, sizeof(vbe_mode_info_t)); // reset values
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| 26 | 26 |
|
| 27 | 27 |
struct reg86 reg_86; |
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memset(®_86, 0, sizeof(reg_86)); // reset struct
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memset(®_86, 0, sizeof(struct reg86)); // reset struct
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| 29 | 29 |
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| 30 | 30 |
vbe_mode_info_t *virtual_addr = lm_alloc(sizeof(vbe_mode_info_t), &mem_map); |
| 31 | 31 |
|
| ... | ... | |
| 45 | 45 |
return BIOS_CALL_ERROR; |
| 46 | 46 |
} |
| 47 | 47 |
|
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vmi_p = memcpy((void*)vmi_p, (void*)virtual_addr, mem_map.size);
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memcpy((void*)&vbe_mem_info, (void*)virtual_addr, mem_map.size);
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| 49 | 49 |
return SUCCESS; |
| 50 | 50 |
} |
| 51 | 51 |
|
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int (map_vram)(unsigned int vram_base, unsigned int vram_size) {
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phys_bytes get_phys_addr(void) {
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return vbe_mem_info.PhysBasePtr; |
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} |
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unsigned int get_vram_size(void) {
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return vbe_mem_info.XResolution * vbe_mem_info.YResolution * ((vbe_mem_info.BitsPerPixel + 7) >> 3); |
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} |
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uint16_t get_XRes(void) {
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return vbe_mem_info.XResolution; |
|
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} |
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uint16_t get_YRes(void) {
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return vbe_mem_info.YResolution; |
|
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} |
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uint16_t get_bits_pixel(void) {
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return vbe_mem_info.BitsPerPixel; |
|
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} |
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|
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int (map_vram)(void) {
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| 53 | 73 |
int r; |
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unsigned int vram_base = get_phys_addr(); |
|
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unsigned int vram_size = get_vram_size(); |
|
| 54 | 76 |
if ((r = get_permission(vram_base, vram_size))) |
| 55 | 77 |
panic("%s: sys_privctl (ADD MEM) failed: %d\n", __func__, r);
|
| 56 | 78 |
|
| ... | ... | |
| 63 | 85 |
} |
| 64 | 86 |
|
| 65 | 87 |
int (free_memory)(void) {
|
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return lm_free(&mem_map); |
|
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return !lm_free(&mem_map);
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|
| 67 | 89 |
} |
| 68 | 90 |
|
| 69 | 91 |
int (set_graphics_mode)(uint16_t mode) {
|
| 70 | 92 |
struct reg86 reg_86; |
| 71 | 93 |
|
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memset(®_86, 0, sizeof(reg_86)); // reset struct
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memset(®_86, 0, sizeof(struct reg86)); // reset struct
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| 73 | 95 |
|
| 74 | 96 |
// Set Reg86 |
| 75 | 97 |
reg_86.intno = VC_BIOS_SERV; |
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