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Diffstat (limited to 'tools/testing/selftests/rseq/rseq-arm64.h')
-rw-r--r--tools/testing/selftests/rseq/rseq-arm64.h520
1 files changed, 29 insertions, 491 deletions
diff --git a/tools/testing/selftests/rseq/rseq-arm64.h b/tools/testing/selftests/rseq/rseq-arm64.h
index cbe190a4d005..85b90977e7e6 100644
--- a/tools/testing/selftests/rseq/rseq-arm64.h
+++ b/tools/testing/selftests/rseq/rseq-arm64.h
@@ -2,7 +2,7 @@
/*
* rseq-arm64.h
*
- * (C) Copyright 2016-2018 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * (C) Copyright 2016-2022 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
* (C) Copyright 2018 - Will Deacon <will.deacon@arm.com>
*/
@@ -85,10 +85,6 @@ do { \
} \
} while (0)
-#ifdef RSEQ_SKIP_FASTPATH
-#include "rseq-skip.h"
-#else /* !RSEQ_SKIP_FASTPATH */
-
#define RSEQ_ASM_TMP_REG32 "w15"
#define RSEQ_ASM_TMP_REG "x15"
#define RSEQ_ASM_TMP_REG_2 "x14"
@@ -204,492 +200,34 @@ do { \
" cbnz " RSEQ_ASM_TMP_REG_2 ", 222b\n" \
"333:\n"
-static inline __attribute__((always_inline))
-int rseq_cmpeqv_storev(intptr_t *v, intptr_t expect, intptr_t newv, int cpu)
-{
- RSEQ_INJECT_C(9)
-
- __asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-#endif
- RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
- RSEQ_INJECT_ASM(3)
- RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
- RSEQ_INJECT_ASM(4)
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
- RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
-#endif
- RSEQ_ASM_OP_FINAL_STORE(newv, v, 3)
- RSEQ_INJECT_ASM(5)
- RSEQ_ASM_DEFINE_ABORT(4, abort)
- : /* gcc asm goto does not allow outputs */
- : [cpu_id] "r" (cpu),
- [current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
- [v] "Qo" (*v),
- [expect] "r" (expect),
- [newv] "r" (newv)
- RSEQ_INJECT_INPUT
- : "memory", RSEQ_ASM_TMP_REG
- : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
- , error1, error2
-#endif
- );
- rseq_after_asm_goto();
- return 0;
-abort:
- rseq_after_asm_goto();
- RSEQ_INJECT_FAILED
- return -1;
-cmpfail:
- rseq_after_asm_goto();
- return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
- rseq_after_asm_goto();
- rseq_bug("cpu_id comparison failed");
-error2:
- rseq_after_asm_goto();
- rseq_bug("expected value comparison failed");
-#endif
-}
-
-static inline __attribute__((always_inline))
-int rseq_cmpnev_storeoffp_load(intptr_t *v, intptr_t expectnot,
- long voffp, intptr_t *load, int cpu)
-{
- RSEQ_INJECT_C(9)
-
- __asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-#endif
- RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
- RSEQ_INJECT_ASM(3)
- RSEQ_ASM_OP_CMPNE(v, expectnot, %l[cmpfail])
- RSEQ_INJECT_ASM(4)
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
- RSEQ_ASM_OP_CMPNE(v, expectnot, %l[error2])
-#endif
- RSEQ_ASM_OP_R_LOAD(v)
- RSEQ_ASM_OP_R_STORE(load)
- RSEQ_ASM_OP_R_LOAD_OFF(voffp)
- RSEQ_ASM_OP_R_FINAL_STORE(v, 3)
- RSEQ_INJECT_ASM(5)
- RSEQ_ASM_DEFINE_ABORT(4, abort)
- : /* gcc asm goto does not allow outputs */
- : [cpu_id] "r" (cpu),
- [current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
- [v] "Qo" (*v),
- [expectnot] "r" (expectnot),
- [load] "Qo" (*load),
- [voffp] "r" (voffp)
- RSEQ_INJECT_INPUT
- : "memory", RSEQ_ASM_TMP_REG
- : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
- , error1, error2
-#endif
- );
- rseq_after_asm_goto();
- return 0;
-abort:
- rseq_after_asm_goto();
- RSEQ_INJECT_FAILED
- return -1;
-cmpfail:
- rseq_after_asm_goto();
- return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
- rseq_after_asm_goto();
- rseq_bug("cpu_id comparison failed");
-error2:
- rseq_after_asm_goto();
- rseq_bug("expected value comparison failed");
-#endif
-}
+/* Per-cpu-id indexing. */
-static inline __attribute__((always_inline))
-int rseq_addv(intptr_t *v, intptr_t count, int cpu)
-{
- RSEQ_INJECT_C(9)
+#define RSEQ_TEMPLATE_CPU_ID
+#define RSEQ_TEMPLATE_MO_RELAXED
+#include "rseq-arm64-bits.h"
+#undef RSEQ_TEMPLATE_MO_RELAXED
- __asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
-#endif
- RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
- RSEQ_INJECT_ASM(3)
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
-#endif
- RSEQ_ASM_OP_R_LOAD(v)
- RSEQ_ASM_OP_R_ADD(count)
- RSEQ_ASM_OP_R_FINAL_STORE(v, 3)
- RSEQ_INJECT_ASM(4)
- RSEQ_ASM_DEFINE_ABORT(4, abort)
- : /* gcc asm goto does not allow outputs */
- : [cpu_id] "r" (cpu),
- [current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
- [v] "Qo" (*v),
- [count] "r" (count)
- RSEQ_INJECT_INPUT
- : "memory", RSEQ_ASM_TMP_REG
- : abort
-#ifdef RSEQ_COMPARE_TWICE
- , error1
-#endif
- );
- rseq_after_asm_goto();
- return 0;
-abort:
- rseq_after_asm_goto();
- RSEQ_INJECT_FAILED
- return -1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
- rseq_after_asm_goto();
- rseq_bug("cpu_id comparison failed");
-#endif
-}
-
-static inline __attribute__((always_inline))
-int rseq_cmpeqv_trystorev_storev(intptr_t *v, intptr_t expect,
- intptr_t *v2, intptr_t newv2,
- intptr_t newv, int cpu)
-{
- RSEQ_INJECT_C(9)
-
- __asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-#endif
- RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
- RSEQ_INJECT_ASM(3)
- RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
- RSEQ_INJECT_ASM(4)
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
- RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
-#endif
- RSEQ_ASM_OP_STORE(newv2, v2)
- RSEQ_INJECT_ASM(5)
- RSEQ_ASM_OP_FINAL_STORE(newv, v, 3)
- RSEQ_INJECT_ASM(6)
- RSEQ_ASM_DEFINE_ABORT(4, abort)
- : /* gcc asm goto does not allow outputs */
- : [cpu_id] "r" (cpu),
- [current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
- [expect] "r" (expect),
- [v] "Qo" (*v),
- [newv] "r" (newv),
- [v2] "Qo" (*v2),
- [newv2] "r" (newv2)
- RSEQ_INJECT_INPUT
- : "memory", RSEQ_ASM_TMP_REG
- : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
- , error1, error2
-#endif
- );
- rseq_after_asm_goto();
- return 0;
-abort:
- rseq_after_asm_goto();
- RSEQ_INJECT_FAILED
- return -1;
-cmpfail:
- rseq_after_asm_goto();
- return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
- rseq_after_asm_goto();
- rseq_bug("cpu_id comparison failed");
-error2:
- rseq_after_asm_goto();
- rseq_bug("expected value comparison failed");
-#endif
-}
-
-static inline __attribute__((always_inline))
-int rseq_cmpeqv_trystorev_storev_release(intptr_t *v, intptr_t expect,
- intptr_t *v2, intptr_t newv2,
- intptr_t newv, int cpu)
-{
- RSEQ_INJECT_C(9)
-
- __asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-#endif
- RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
- RSEQ_INJECT_ASM(3)
- RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
- RSEQ_INJECT_ASM(4)
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
- RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
-#endif
- RSEQ_ASM_OP_STORE(newv2, v2)
- RSEQ_INJECT_ASM(5)
- RSEQ_ASM_OP_FINAL_STORE_RELEASE(newv, v, 3)
- RSEQ_INJECT_ASM(6)
- RSEQ_ASM_DEFINE_ABORT(4, abort)
- : /* gcc asm goto does not allow outputs */
- : [cpu_id] "r" (cpu),
- [current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
- [expect] "r" (expect),
- [v] "Qo" (*v),
- [newv] "r" (newv),
- [v2] "Qo" (*v2),
- [newv2] "r" (newv2)
- RSEQ_INJECT_INPUT
- : "memory", RSEQ_ASM_TMP_REG
- : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
- , error1, error2
-#endif
- );
- rseq_after_asm_goto();
- return 0;
-abort:
- rseq_after_asm_goto();
- RSEQ_INJECT_FAILED
- return -1;
-cmpfail:
- rseq_after_asm_goto();
- return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
- rseq_after_asm_goto();
- rseq_bug("cpu_id comparison failed");
-error2:
- rseq_after_asm_goto();
- rseq_bug("expected value comparison failed");
-#endif
-}
-
-static inline __attribute__((always_inline))
-int rseq_cmpeqv_cmpeqv_storev(intptr_t *v, intptr_t expect,
- intptr_t *v2, intptr_t expect2,
- intptr_t newv, int cpu)
-{
- RSEQ_INJECT_C(9)
-
- __asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error3])
-#endif
- RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
- RSEQ_INJECT_ASM(3)
- RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
- RSEQ_INJECT_ASM(4)
- RSEQ_ASM_OP_CMPEQ(v2, expect2, %l[cmpfail])
- RSEQ_INJECT_ASM(5)
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
- RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
- RSEQ_ASM_OP_CMPEQ(v2, expect2, %l[error3])
-#endif
- RSEQ_ASM_OP_FINAL_STORE(newv, v, 3)
- RSEQ_INJECT_ASM(6)
- RSEQ_ASM_DEFINE_ABORT(4, abort)
- : /* gcc asm goto does not allow outputs */
- : [cpu_id] "r" (cpu),
- [current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
- [v] "Qo" (*v),
- [expect] "r" (expect),
- [v2] "Qo" (*v2),
- [expect2] "r" (expect2),
- [newv] "r" (newv)
- RSEQ_INJECT_INPUT
- : "memory", RSEQ_ASM_TMP_REG
- : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
- , error1, error2, error3
-#endif
- );
- rseq_after_asm_goto();
- return 0;
-abort:
- rseq_after_asm_goto();
- RSEQ_INJECT_FAILED
- return -1;
-cmpfail:
- rseq_after_asm_goto();
- return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
- rseq_after_asm_goto();
- rseq_bug("cpu_id comparison failed");
-error2:
- rseq_after_asm_goto();
- rseq_bug("expected value comparison failed");
-error3:
- rseq_after_asm_goto();
- rseq_bug("2nd expected value comparison failed");
-#endif
-}
-
-static inline __attribute__((always_inline))
-int rseq_cmpeqv_trymemcpy_storev(intptr_t *v, intptr_t expect,
- void *dst, void *src, size_t len,
- intptr_t newv, int cpu)
-{
- RSEQ_INJECT_C(9)
-
- __asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-#endif
- RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
- RSEQ_INJECT_ASM(3)
- RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
- RSEQ_INJECT_ASM(4)
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
- RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
-#endif
- RSEQ_ASM_OP_R_BAD_MEMCPY(dst, src, len)
- RSEQ_INJECT_ASM(5)
- RSEQ_ASM_OP_FINAL_STORE(newv, v, 3)
- RSEQ_INJECT_ASM(6)
- RSEQ_ASM_DEFINE_ABORT(4, abort)
- : /* gcc asm goto does not allow outputs */
- : [cpu_id] "r" (cpu),
- [current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
- [expect] "r" (expect),
- [v] "Qo" (*v),
- [newv] "r" (newv),
- [dst] "r" (dst),
- [src] "r" (src),
- [len] "r" (len)
- RSEQ_INJECT_INPUT
- : "memory", RSEQ_ASM_TMP_REG, RSEQ_ASM_TMP_REG_2
- : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
- , error1, error2
-#endif
- );
- rseq_after_asm_goto();
- return 0;
-abort:
- rseq_after_asm_goto();
- RSEQ_INJECT_FAILED
- return -1;
-cmpfail:
- rseq_after_asm_goto();
- return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
- rseq_after_asm_goto();
- rseq_bug("cpu_id comparison failed");
-error2:
- rseq_after_asm_goto();
- rseq_bug("expected value comparison failed");
-#endif
-}
-
-static inline __attribute__((always_inline))
-int rseq_cmpeqv_trymemcpy_storev_release(intptr_t *v, intptr_t expect,
- void *dst, void *src, size_t len,
- intptr_t newv, int cpu)
-{
- RSEQ_INJECT_C(9)
-
- __asm__ __volatile__ goto (
- RSEQ_ASM_DEFINE_TABLE(1, 2f, 3f, 4f)
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[cmpfail])
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error1])
- RSEQ_ASM_DEFINE_EXIT_POINT(2f, %l[error2])
-#endif
- RSEQ_ASM_STORE_RSEQ_CS(2, 1b, rseq_cs)
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, 4f)
- RSEQ_INJECT_ASM(3)
- RSEQ_ASM_OP_CMPEQ(v, expect, %l[cmpfail])
- RSEQ_INJECT_ASM(4)
-#ifdef RSEQ_COMPARE_TWICE
- RSEQ_ASM_CMP_CPU_ID(cpu_id, current_cpu_id, %l[error1])
- RSEQ_ASM_OP_CMPEQ(v, expect, %l[error2])
-#endif
- RSEQ_ASM_OP_R_BAD_MEMCPY(dst, src, len)
- RSEQ_INJECT_ASM(5)
- RSEQ_ASM_OP_FINAL_STORE_RELEASE(newv, v, 3)
- RSEQ_INJECT_ASM(6)
- RSEQ_ASM_DEFINE_ABORT(4, abort)
- : /* gcc asm goto does not allow outputs */
- : [cpu_id] "r" (cpu),
- [current_cpu_id] "Qo" (rseq_get_abi()->cpu_id),
- [rseq_cs] "m" (rseq_get_abi()->rseq_cs.arch.ptr),
- [expect] "r" (expect),
- [v] "Qo" (*v),
- [newv] "r" (newv),
- [dst] "r" (dst),
- [src] "r" (src),
- [len] "r" (len)
- RSEQ_INJECT_INPUT
- : "memory", RSEQ_ASM_TMP_REG, RSEQ_ASM_TMP_REG_2
- : abort, cmpfail
-#ifdef RSEQ_COMPARE_TWICE
- , error1, error2
-#endif
- );
- rseq_after_asm_goto();
- return 0;
-abort:
- rseq_after_asm_goto();
- RSEQ_INJECT_FAILED
- return -1;
-cmpfail:
- rseq_after_asm_goto();
- return 1;
-#ifdef RSEQ_COMPARE_TWICE
-error1:
- rseq_after_asm_goto();
- rseq_bug("cpu_id comparison failed");
-error2:
- rseq_after_asm_goto();
- rseq_bug("expected value comparison failed");
-#endif
-}
+#define RSEQ_TEMPLATE_MO_RELEASE
+#include "rseq-arm64-bits.h"
+#undef RSEQ_TEMPLATE_MO_RELEASE
+#undef RSEQ_TEMPLATE_CPU_ID
+
+/* Per-mm-cid indexing. */
+
+#define RSEQ_TEMPLATE_MM_CID
+#define RSEQ_TEMPLATE_MO_RELAXED
+#include "rseq-arm64-bits.h"
+#undef RSEQ_TEMPLATE_MO_RELAXED
+
+#define RSEQ_TEMPLATE_MO_RELEASE
+#include "rseq-arm64-bits.h"
+#undef RSEQ_TEMPLATE_MO_RELEASE
+#undef RSEQ_TEMPLATE_MM_CID
+
+/* APIs which are not based on cpu ids. */
-#endif /* !RSEQ_SKIP_FASTPATH */
+#define RSEQ_TEMPLATE_CPU_ID_NONE
+#define RSEQ_TEMPLATE_MO_RELAXED
+#include "rseq-arm64-bits.h"
+#undef RSEQ_TEMPLATE_MO_RELAXED
+#undef RSEQ_TEMPLATE_CPU_ID_NONE