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1 | #include <sys/io.h> | |
2 | #include <reg-82801b.h> | |
3 | #include <string.h> | |
4 | #include <stdint.h> | |
5 | ||
6 | static uint16_t _get_PMBASE() | |
7 | { | |
8 | static long pmbase = -1; | |
9 | ||
10 | if (pmbase == -1) | |
11 | pmbase = pci_read32(ICH2_LPC_BUS, ICH2_LPC_DEV, ICH2_LPC_FN, ICH2_LPC_PCI_PMBASE) & ICH2_PMBASE_MASK; | |
12 | ||
13 | return pmbase; | |
14 | } | |
15 | ||
16 | ||
17 | extern unsigned int poke(short addr); | |
18 | ||
19 | int main(int argc, char **argv) | |
20 | { | |
21 | unsigned int res; | |
22 | ||
23 | if (iopl(3) < 0) | |
24 | { | |
25 | perror("iopl"); | |
26 | return 1; | |
27 | } | |
28 | ||
29 | res = poke(_get_PMBASE() + 0x04); | |
30 | printf("found %p\n", res); | |
31 | } |