X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/36ce375d87e8dd0fdee14de4fbc35c1aef56d7e9..8e106bffd631c8bae10efe153f893d80ad0be2df:/aseg/counter.c diff --git a/aseg/counter.c b/aseg/counter.c index ccfff72..104d809 100644 --- a/aseg/counter.c +++ b/aseg/counter.c @@ -3,77 +3,13 @@ #include #include -unsigned int counter = 0; -unsigned long pcisave; -unsigned char vgasave; char thestr[512]; -char logents[4][41] = {{0}}; - -#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() -{ - 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 row, int col) -{ - char *destp = vga_base() + row * 80 * 2 + col * 2; - smram_state_t old_state = smram_save_state(); - - smram_aseg_set_state(SMRAM_ASEG_SMMCODE); - - while (*src) - { - *(destp++) = *(src++); - *(destp++) = COLOR; - } - - smram_restore_state(old_state); -} - -void outlog() -{ - int y, x; - char *basep = vga_base(); - smram_state_t old_state = smram_save_state(); +#include "vga-overlay.h" - 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; - } - - smram_restore_state(old_state); - - for (y = 0; y < 4; y++) - strblit(logents[y], y, 40); -} - -void dolog(char *s) -{ - memmove(logents[0], logents[1], sizeof(logents[0])*3); - strcpy(logents[3], s); -} +unsigned int counter = 0; +unsigned long pcisave; +unsigned char vgasave; void pci_dump() { char s[40]; @@ -83,21 +19,18 @@ void pci_dump() { cts = inl(0x84C); outl(0x848, 0x0); - + outl(0x840, 0x0); switch(cts&0xF0000) { case 0x20000: { unsigned char b; - strcpy(s, "READxxxxxxxxxxxxxxxx"); - tohex(s+4, cts); b = inb(cts & 0xFFFF); - tohex(s+12, b); + dologf("READ: %08x (%02x)", cts, b); if ((cts & 0xFFFF) == 0x64) curdev = (b & 0x20) ? 1 : 0; if ((curdev == 0) && ((cts & 0xFFFF) == 0x60) && (b == 0x01)) outb(0xCF9, 0x4); - dolog(s); *(unsigned char*)0xAFFD0 /* EAX */ = b; break; } @@ -116,6 +49,9 @@ void pci_dump() { default: dolog("Unhandled PCI cycle"); } + + outl(0x848, 0x1000); + outl(0x840, 0x0100); } void __start (void) @@ -146,27 +82,19 @@ void __start (void) if (inl(0x844) & 0x1000) /* devact_sts */ { pci_dump(); - outl(0x848, 0x1000); - outl(0x844, 0x1000); + outl(0x844, 0x1000); /* ack it */ } } if (inl(0x834) & 0x4000) dolog("Long periodic timer"); if (inl(0x840) & 0x1000) { - dolog("Caught device monitor trap"); pci_dump(); outl(0x840, 0x1100); outl(0x840, 0x0100); } if (inl(0x834) & ~(0x4160)) - { - char s[40]; - strcpy(s, "Unknown: xxxxxxxx"); - tohex(s + 9, inl(0x834) & ~(0x140)); - dolog(s); - } - + dologf("Unknown: %08x", inl(0x834) & ~(0x140)); outlog();