X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/94d78d15691f3e6ac4c4797bb21ffcf8f9cc4a39..36ce375d87e8dd0fdee14de4fbc35c1aef56d7e9:/aseg/counter.c diff --git a/aseg/counter.c b/aseg/counter.c index e4b5eae..ccfff72 100644 --- a/aseg/counter.c +++ b/aseg/counter.c @@ -1,51 +1,72 @@ #include +#include +#include +#include unsigned int counter = 0; unsigned long pcisave; unsigned char vgasave; -unsigned char thestr[512]; -unsigned char logents[4][41] = {0}; +char thestr[512]; +char logents[4][41] = {{0}}; -unsigned char vgaread(unsigned char idx) +#define VRAM_BASE 0xA0000UL +#define TEXT_CONSOLE_OFFSET 0x18000UL + +#define TEXT_CONSOLE_BASE (VRAM_BASE + TEXT_CONSOLE_OFFSET) + +#define COLOR 0x1F + +unsigned char vga_read(unsigned char idx) +{ + outb(CRTC_IDX_REG, idx); + return inb(CRTC_DATA_REG); +} + +char * vga_base() { - outb(0x3D4, idx); - inb(0x3D5); + return (char *) ( + TEXT_CONSOLE_BASE + | (((unsigned int) vga_read(CRTC_START_ADDR_LSB_IDX)) << 9) + | (((unsigned int) vga_read(CRTC_START_ADDR_MSB_IDX)) << 1) + ); } -void strblit(char *src, int r, int c) +void strblit(char *src, int row, int col) { - char *destp = (char*)(0xB8000UL | (((unsigned int)vgaread(0xC)) << 9) | (((unsigned int)vgaread(0xD)) << 1)) + r*80*2 + c*2; - unsigned char smramc; + char *destp = vga_base() + row * 80 * 2 + col * 2; + smram_state_t old_state = smram_save_state(); + + smram_aseg_set_state(SMRAM_ASEG_SMMCODE); - smramc = pci_read8(0, 0, 0, 0x70); - pci_write8(0, 0, 0, 0x70, (smramc & 0xF3) | 0x08); while (*src) { *(destp++) = *(src++); - *(destp++) = 0x1F; + *(destp++) = COLOR; } - pci_write8(0, 0, 0, 0x70, smramc); + + smram_restore_state(old_state); } void outlog() { int y, x; - unsigned char smramc; - unsigned char *basep = (char*)(0xB8000UL | (((unsigned int)vgaread(0xC)) << 9) | (((unsigned int)vgaread(0xD)) << 1)); - - smramc = pci_read8(0, 0, 0, 0x70); - pci_write8(0, 0, 0, 0x70, (smramc & 0xF3) | 0x08); + char *basep = vga_base(); + + smram_state_t old_state = smram_save_state(); + + smram_aseg_set_state(SMRAM_ASEG_SMMCODE); + for (y = 0; y < 4; y++) for (x = 40; x < 80; x++) { basep[y*80*2+x*2] = ' '; basep[y*80*2+x*2+1] = 0x1F; } - pci_write8(0, 0, 0, 0x70, smramc); - + + smram_restore_state(old_state); + for (y = 0; y < 4; y++) strblit(logents[y], y, 40); - } void dolog(char *s) @@ -55,7 +76,7 @@ void dolog(char *s) } void pci_dump() { - unsigned char s[40]; + char s[40]; unsigned long cts; static int curdev = 0; /* 0 if kbd, 1 if mouse */ @@ -99,7 +120,6 @@ void pci_dump() { void __start (void) { - unsigned char smramc; static int first = 1; pcisave = inl(0xCF8); @@ -141,7 +161,7 @@ void __start (void) } if (inl(0x834) & ~(0x4160)) { - unsigned char s[40]; + char s[40]; strcpy(s, "Unknown: xxxxxxxx"); tohex(s + 9, inl(0x834) & ~(0x140)); dolog(s);