static void sig_quit(int signo)
{
unmap_memory(adc_mem_addr, S2MM_BUF_SIZE);
unmap_memory(dac_mem_addr, MM2S_BUF_SIZE);
unmap_memory(dma_reg_addr_wr, REG_SIZE);
unmap_memory(dma_reg_addr_rd, REG_SIZE);
free(p);
close(spi_fd);
exit(1);
}
void lin_webcam_impl::release_safe(){
unmap_memory();
try
{
do_close();
}
catch(const webcam_exception & exc)
{
}
}
int main(int argc, char** argv)
{
int i;
uint64_t base = 0;
unsigned char *mmio, *stash;
if (iopl(3) < 0) {
fprintf(stderr, "Failed to gain ioperm: %s\n",
strerror(errno));
exit(1);
}
for (i=0; i<4; i++) {
outb(0x24 + i, 0xcd6);
base |= (unsigned) inb(0xcd7) << (8*i);
}
if ((base & 0x03) != 0x01) {
printf("ACPI MMIO disabled\n");
exit(1);
} else {
base &= ~0xfff;
printf("ACPI MMIO enabled at %08lx\n", base);
}
fd = open("/dev/mem", O_RDONLY, 0);
if (fd < 0) {
fprintf(stderr, "Failed to gain memory access: %s\n",
strerror(errno));
exit(1);
}
mmio = map_memory(base);
stash = calloc(1, MMIO_REGION_SZ);
if (mmio == NULL || stash == NULL)
exit(1);
for (i=0; i<MMIO_REGION_SZ; i++) {
stash[i] = mmio[i];
}
unmap_memory();
close(fd);
FILE * dd = fopen("mmio_dump.dd", "w");
fwrite(stash, MMIO_REGION_SZ, 1, dd);
fclose(dd);
exit(0);
}
void lin_webcam_impl::close()
{
unmap_memory();
do_close();
}
