cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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edid-region.c (848B)

      1#include "qemu/osdep.h"
      2#include "exec/memory.h"
      3#include "hw/display/edid.h"
      4
      5static uint64_t edid_region_read(void *ptr, hwaddr addr, unsigned size)
      6{
      7    uint8_t *edid = ptr;
      8
      9    return edid[addr];
     10}
     11
     12static void edid_region_write(void *ptr, hwaddr addr,
     13                             uint64_t val, unsigned size)
     14{
     15    /* read only */
     16}
     17
     18static const MemoryRegionOps edid_region_ops = {
     19    .read = edid_region_read,
     20    .write = edid_region_write,
     21    .valid.min_access_size = 1,
     22    .valid.max_access_size = 4,
     23    .impl.min_access_size = 1,
     24    .impl.max_access_size = 1,
     25    .endianness = DEVICE_LITTLE_ENDIAN,
     26};
     27
     28void qemu_edid_region_io(MemoryRegion *region, Object *owner,
     29                         uint8_t *edid, size_t size)
     30{
     31    memory_region_init_io(region, owner, &edid_region_ops,
     32                          edid, "edid", size);
     33}