59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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int main(int argc, char **argv)
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{
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int fd;
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int map_size = 4096UL;
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void *map_base, *virt_addr;
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uint32_t read_result, base_offset, temp;
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//uint32_t bar = 0xFB000000; // GA102 + GA104
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uint32_t bar = 0xEC000000; // AD102 (RTX 4090)
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uint32_t offset = bar + 0x0000E2A8; // GA102 + AD102
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//uint32_t offset = bar + 0x0000EE50; // GA104
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char *MEM_RES = "\x2f\x64\x65\x76\x2f\x6d\x65\x6d";
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while (1)
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{
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if ((fd = open(MEM_RES, O_RDWR | O_SYNC)) == -1)
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{
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printf("Can't read memory. Are you r00t?\n");
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exit(-1);
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}
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base_offset = offset & ~(sysconf(_SC_PAGE_SIZE)-1);
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map_base = mmap(0, map_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, base_offset);
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if (!map_base)
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{
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printf("Can't map memory. Are you r00t?\n");
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exit(-1);
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}
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virt_addr = map_base + offset - base_offset;
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read_result = *((uint32_t *) virt_addr);
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temp = (read_result & 0x00000fff) / 0x20;
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printf("\rGDDR6X VRAM Temp: %d°c", temp);
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fflush(stdout);
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if (munmap(map_base, map_size) == -1)
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{
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printf("Can't unmap memory!\n");
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exit(-1);
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}
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close(fd);
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sleep(1);
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}
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return 0;
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}
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