cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

machine.c (2577B)

      1#include "qemu/osdep.h"
      2#include "cpu.h"
      3#include "migration/cpu.h"
      4
      5static int get_fpcr(QEMUFile *f, void *opaque, size_t size,
      6                    const VMStateField *field)
      7{
      8    CPUAlphaState *env = opaque;
      9    cpu_alpha_store_fpcr(env, qemu_get_be64(f));
     10    return 0;
     11}
     12
     13static int put_fpcr(QEMUFile *f, void *opaque, size_t size,
     14                    const VMStateField *field, JSONWriter *vmdesc)
     15{
     16    CPUAlphaState *env = opaque;
     17    qemu_put_be64(f, cpu_alpha_load_fpcr(env));
     18    return 0;
     19}
     20
     21static const VMStateInfo vmstate_fpcr = {
     22    .name = "fpcr",
     23    .get = get_fpcr,
     24    .put = put_fpcr,
     25};
     26
     27static VMStateField vmstate_env_fields[] = {
     28    VMSTATE_UINTTL_ARRAY(ir, CPUAlphaState, 31),
     29    VMSTATE_UINTTL_ARRAY(fir, CPUAlphaState, 31),
     30    /* Save the architecture value of the fpcr, not the internally
     31       expanded version.  Since this architecture value does not
     32       exist in memory to be stored, this requires a but of hoop
     33       jumping.  We want OFFSET=0 so that we effectively pass ENV
     34       to the helper functions, and we need to fill in the name by
     35       hand since there's no field of that name.  */
     36    {
     37        .name = "fpcr",
     38        .version_id = 0,
     39        .size = sizeof(uint64_t),
     40        .info = &vmstate_fpcr,
     41        .flags = VMS_SINGLE,
     42        .offset = 0
     43    },
     44    VMSTATE_UINTTL(pc, CPUAlphaState),
     45    VMSTATE_UINTTL(unique, CPUAlphaState),
     46    VMSTATE_UINTTL(lock_addr, CPUAlphaState),
     47    VMSTATE_UINTTL(lock_value, CPUAlphaState),
     48
     49    VMSTATE_UINT32(flags, CPUAlphaState),
     50    VMSTATE_UINT32(pcc_ofs, CPUAlphaState),
     51
     52    VMSTATE_UINTTL(trap_arg0, CPUAlphaState),
     53    VMSTATE_UINTTL(trap_arg1, CPUAlphaState),
     54    VMSTATE_UINTTL(trap_arg2, CPUAlphaState),
     55
     56    VMSTATE_UINTTL(exc_addr, CPUAlphaState),
     57    VMSTATE_UINTTL(palbr, CPUAlphaState),
     58    VMSTATE_UINTTL(ptbr, CPUAlphaState),
     59    VMSTATE_UINTTL(vptptr, CPUAlphaState),
     60    VMSTATE_UINTTL(sysval, CPUAlphaState),
     61    VMSTATE_UINTTL(usp, CPUAlphaState),
     62
     63    VMSTATE_UINTTL_ARRAY(shadow, CPUAlphaState, 8),
     64    VMSTATE_UINTTL_ARRAY(scratch, CPUAlphaState, 24),
     65
     66    VMSTATE_END_OF_LIST()
     67};
     68
     69static const VMStateDescription vmstate_env = {
     70    .name = "env",
     71    .version_id = 3,
     72    .minimum_version_id = 3,
     73    .fields = vmstate_env_fields,
     74};
     75
     76static VMStateField vmstate_cpu_fields[] = {
     77    VMSTATE_CPU(),
     78    VMSTATE_STRUCT(env, AlphaCPU, 1, vmstate_env, CPUAlphaState),
     79    VMSTATE_END_OF_LIST()
     80};
     81
     82const VMStateDescription vmstate_alpha_cpu = {
     83    .name = "cpu",
     84    .version_id = 1,
     85    .minimum_version_id = 1,
     86    .fields = vmstate_cpu_fields,
     87};