qemu/target-alpha/machine.c
Richard Henderson 26b4609447 target-alpha: Add IPRs to be used by the emulation PALcode.
These aren't actually used yet, but we can at least access
them via the HW_MFPR and HW_MTPR instructions.

Signed-off-by: Richard Henderson <rth@twiddle.net>
2011-05-31 10:18:05 -07:00

87 lines
2.4 KiB
C

#include "hw/hw.h"
#include "hw/boards.h"
static int get_fpcr(QEMUFile *f, void *opaque, size_t size)
{
CPUAlphaState *env = opaque;
cpu_alpha_store_fpcr(env, qemu_get_be64(f));
return 0;
}
static void put_fpcr(QEMUFile *f, void *opaque, size_t size)
{
CPUAlphaState *env = opaque;
qemu_put_be64(f, cpu_alpha_load_fpcr(env));
}
static const VMStateInfo vmstate_fpcr = {
.name = "fpcr",
.get = get_fpcr,
.put = put_fpcr,
};
static VMStateField vmstate_cpu_fields[] = {
VMSTATE_UINTTL_ARRAY(ir, CPUState, 31),
VMSTATE_UINTTL_ARRAY(fir, CPUState, 31),
/* Save the architecture value of the fpcr, not the internally
expanded version. Since this architecture value does not
exist in memory to be stored, this requires a but of hoop
jumping. We want OFFSET=0 so that we effectively pass ENV
to the helper functions, and we need to fill in the name by
hand since there's no field of that name. */
{
.name = "fpcr",
.version_id = 0,
.size = sizeof(uint64_t),
.info = &vmstate_fpcr,
.flags = VMS_SINGLE,
.offset = 0
},
VMSTATE_UINTTL(pc, CPUState),
VMSTATE_UINTTL(unique, CPUState),
VMSTATE_UINTTL(lock_addr, CPUState),
VMSTATE_UINTTL(lock_value, CPUState),
/* Note that lock_st_addr is not saved; it is a temporary
used during the execution of the st[lq]_c insns. */
VMSTATE_UINT8(ps, CPUState),
VMSTATE_UINT8(intr_flag, CPUState),
VMSTATE_UINT8(pal_mode, CPUState),
VMSTATE_UINT8(fen, CPUState),
VMSTATE_UINT32(pcc_ofs, CPUState),
VMSTATE_UINTTL(trap_arg0, CPUState),
VMSTATE_UINTTL(trap_arg1, CPUState),
VMSTATE_UINTTL(trap_arg2, CPUState),
VMSTATE_UINTTL(exc_addr, CPUState),
VMSTATE_UINTTL(palbr, CPUState),
VMSTATE_UINTTL(ptbr, CPUState),
VMSTATE_UINTTL(vptptr, CPUState),
VMSTATE_UINTTL(sysval, CPUState),
VMSTATE_UINTTL(usp, CPUState),
VMSTATE_UINTTL_ARRAY(shadow, CPUState, 8),
VMSTATE_UINTTL_ARRAY(scratch, CPUState, 24),
VMSTATE_END_OF_LIST()
};
static const VMStateDescription vmstate_cpu = {
.name = "cpu",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.fields = vmstate_cpu_fields,
};
void cpu_save(QEMUFile *f, void *opaque)
{
vmstate_save_state(f, &vmstate_cpu, opaque);
}
int cpu_load(QEMUFile *f, void *opaque, int version_id)
{
return vmstate_load_state(f, &vmstate_cpu, opaque, version_id);
}