| | 1 | /* smm-open-ich7.c |
| | 2 | * SMRAM open utility for Intel 82865 northbridge |
| | 3 | * NetWatch system management mode administration console |
| | 4 | * |
| | 5 | * Copyright (c) 2008 Jacob Potter and Joshua Wise. All rights reserved. |
| | 6 | * This program is free software; you can redistribute and/or modify it under |
| | 7 | * the terms found in the file LICENSE in the root of this source tree. |
| | 8 | * |
| | 9 | */ |
| | 10 | |
| | 11 | #include "reg-82865.h" |
| | 12 | |
| | 13 | void main() |
| | 14 | { |
| | 15 | unsigned char smramc, esmramc; |
| | 16 | unsigned int toud; |
| | 17 | |
| | 18 | smramc = pci_read8(0, 0, 0, SMRAMC); |
| | 19 | esmramc = pci_read8(0, 0, 0, ESMRAMC); |
| | 20 | |
| | 21 | toud = (pci_read16(0, 0, 0, 0xC4) >> 3) << 19; |
| | 22 | printf("Usable DRAM: %d bytes\n", toud); |
| | 23 | |
| | 24 | printf("SMRAMC: %02x\n", smramc); |
| | 25 | printf("ESMRAMC: %02x\n", smramc); |
| | 26 | if (smramc & SMRAMC_LOCK) |
| | 27 | { |
| | 28 | printf("SMRAM is locked, cannot load anything :-(\n"); |
| | 29 | return; |
| | 30 | } |
| | 31 | } |
git.joshuawise.com / netwatch.git / blame_incremental