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-rw-r--r--qemu/target-alpha/machine.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/qemu/target-alpha/machine.c b/qemu/target-alpha/machine.c
new file mode 100644
index 000000000..e796bbe27
--- /dev/null
+++ b/qemu/target-alpha/machine.c
@@ -0,0 +1,89 @@
+#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_env_fields[] = {
+ VMSTATE_UINTTL_ARRAY(ir, CPUAlphaState, 31),
+ VMSTATE_UINTTL_ARRAY(fir, CPUAlphaState, 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, CPUAlphaState),
+ VMSTATE_UINTTL(unique, CPUAlphaState),
+ VMSTATE_UINTTL(lock_addr, CPUAlphaState),
+ VMSTATE_UINTTL(lock_value, CPUAlphaState),
+ /* 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, CPUAlphaState),
+ VMSTATE_UINT8(intr_flag, CPUAlphaState),
+ VMSTATE_UINT8(pal_mode, CPUAlphaState),
+ VMSTATE_UINT8(fen, CPUAlphaState),
+
+ VMSTATE_UINT32(pcc_ofs, CPUAlphaState),
+
+ VMSTATE_UINTTL(trap_arg0, CPUAlphaState),
+ VMSTATE_UINTTL(trap_arg1, CPUAlphaState),
+ VMSTATE_UINTTL(trap_arg2, CPUAlphaState),
+
+ VMSTATE_UINTTL(exc_addr, CPUAlphaState),
+ VMSTATE_UINTTL(palbr, CPUAlphaState),
+ VMSTATE_UINTTL(ptbr, CPUAlphaState),
+ VMSTATE_UINTTL(vptptr, CPUAlphaState),
+ VMSTATE_UINTTL(sysval, CPUAlphaState),
+ VMSTATE_UINTTL(usp, CPUAlphaState),
+
+ VMSTATE_UINTTL_ARRAY(shadow, CPUAlphaState, 8),
+ VMSTATE_UINTTL_ARRAY(scratch, CPUAlphaState, 24),
+
+ VMSTATE_END_OF_LIST()
+};
+
+static const VMStateDescription vmstate_env = {
+ .name = "env",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = vmstate_env_fields,
+};
+
+static VMStateField vmstate_cpu_fields[] = {
+ VMSTATE_CPU(),
+ VMSTATE_STRUCT(env, AlphaCPU, 1, vmstate_env, CPUAlphaState),
+ VMSTATE_END_OF_LIST()
+};
+
+const VMStateDescription vmstate_alpha_cpu = {
+ .name = "cpu",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = vmstate_cpu_fields,
+};