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Diffstat (limited to 'tools/testing/selftests/powerpc/pmu/ebb/ebb.c')
-rw-r--r--tools/testing/selftests/powerpc/pmu/ebb/ebb.c261
1 files changed, 6 insertions, 255 deletions
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
index 1b46be94b64c..d7a72ce696b5 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
@@ -224,6 +224,7 @@ void dump_ebb_hw_state(void)
printf("HW state:\n" \
"MMCR0 0x%016x %s\n" \
+ "MMCR2 0x%016lx\n" \
"EBBHR 0x%016lx\n" \
"BESCR 0x%016llx %s\n" \
"PMC1 0x%016lx\n" \
@@ -233,10 +234,11 @@ void dump_ebb_hw_state(void)
"PMC5 0x%016lx\n" \
"PMC6 0x%016lx\n" \
"SIAR 0x%016lx\n",
- mmcr0, decode_mmcr0(mmcr0), mfspr(SPRN_EBBHR), bescr,
- decode_bescr(bescr), mfspr(SPRN_PMC1), mfspr(SPRN_PMC2),
- mfspr(SPRN_PMC3), mfspr(SPRN_PMC4), mfspr(SPRN_PMC5),
- mfspr(SPRN_PMC6), mfspr(SPRN_SIAR));
+ mmcr0, decode_mmcr0(mmcr0), mfspr(SPRN_MMCR2),
+ mfspr(SPRN_EBBHR), bescr, decode_bescr(bescr),
+ mfspr(SPRN_PMC1), mfspr(SPRN_PMC2), mfspr(SPRN_PMC3),
+ mfspr(SPRN_PMC4), mfspr(SPRN_PMC5), mfspr(SPRN_PMC6),
+ mfspr(SPRN_SIAR));
}
void dump_ebb_state(void)
@@ -335,257 +337,6 @@ void event_leader_ebb_init(struct event *e)
e->attr.pinned = 1;
}
-int core_busy_loop(void)
-{
- int rc;
-
- asm volatile (
- "li 3, 0x3030\n"
- "std 3, -96(1)\n"
- "li 4, 0x4040\n"
- "std 4, -104(1)\n"
- "li 5, 0x5050\n"
- "std 5, -112(1)\n"
- "li 6, 0x6060\n"
- "std 6, -120(1)\n"
- "li 7, 0x7070\n"
- "std 7, -128(1)\n"
- "li 8, 0x0808\n"
- "std 8, -136(1)\n"
- "li 9, 0x0909\n"
- "std 9, -144(1)\n"
- "li 10, 0x1010\n"
- "std 10, -152(1)\n"
- "li 11, 0x1111\n"
- "std 11, -160(1)\n"
- "li 14, 0x1414\n"
- "std 14, -168(1)\n"
- "li 15, 0x1515\n"
- "std 15, -176(1)\n"
- "li 16, 0x1616\n"
- "std 16, -184(1)\n"
- "li 17, 0x1717\n"
- "std 17, -192(1)\n"
- "li 18, 0x1818\n"
- "std 18, -200(1)\n"
- "li 19, 0x1919\n"
- "std 19, -208(1)\n"
- "li 20, 0x2020\n"
- "std 20, -216(1)\n"
- "li 21, 0x2121\n"
- "std 21, -224(1)\n"
- "li 22, 0x2222\n"
- "std 22, -232(1)\n"
- "li 23, 0x2323\n"
- "std 23, -240(1)\n"
- "li 24, 0x2424\n"
- "std 24, -248(1)\n"
- "li 25, 0x2525\n"
- "std 25, -256(1)\n"
- "li 26, 0x2626\n"
- "std 26, -264(1)\n"
- "li 27, 0x2727\n"
- "std 27, -272(1)\n"
- "li 28, 0x2828\n"
- "std 28, -280(1)\n"
- "li 29, 0x2929\n"
- "std 29, -288(1)\n"
- "li 30, 0x3030\n"
- "li 31, 0x3131\n"
-
- "li 3, 0\n"
- "0: "
- "addi 3, 3, 1\n"
- "cmpwi 3, 100\n"
- "blt 0b\n"
-
- /* Return 1 (fail) unless we get through all the checks */
- "li 0, 1\n"
-
- /* Check none of our registers have been corrupted */
- "cmpwi 4, 0x4040\n"
- "bne 1f\n"
- "cmpwi 5, 0x5050\n"
- "bne 1f\n"
- "cmpwi 6, 0x6060\n"
- "bne 1f\n"
- "cmpwi 7, 0x7070\n"
- "bne 1f\n"
- "cmpwi 8, 0x0808\n"
- "bne 1f\n"
- "cmpwi 9, 0x0909\n"
- "bne 1f\n"
- "cmpwi 10, 0x1010\n"
- "bne 1f\n"
- "cmpwi 11, 0x1111\n"
- "bne 1f\n"
- "cmpwi 14, 0x1414\n"
- "bne 1f\n"
- "cmpwi 15, 0x1515\n"
- "bne 1f\n"
- "cmpwi 16, 0x1616\n"
- "bne 1f\n"
- "cmpwi 17, 0x1717\n"
- "bne 1f\n"
- "cmpwi 18, 0x1818\n"
- "bne 1f\n"
- "cmpwi 19, 0x1919\n"
- "bne 1f\n"
- "cmpwi 20, 0x2020\n"
- "bne 1f\n"
- "cmpwi 21, 0x2121\n"
- "bne 1f\n"
- "cmpwi 22, 0x2222\n"
- "bne 1f\n"
- "cmpwi 23, 0x2323\n"
- "bne 1f\n"
- "cmpwi 24, 0x2424\n"
- "bne 1f\n"
- "cmpwi 25, 0x2525\n"
- "bne 1f\n"
- "cmpwi 26, 0x2626\n"
- "bne 1f\n"
- "cmpwi 27, 0x2727\n"
- "bne 1f\n"
- "cmpwi 28, 0x2828\n"
- "bne 1f\n"
- "cmpwi 29, 0x2929\n"
- "bne 1f\n"
- "cmpwi 30, 0x3030\n"
- "bne 1f\n"
- "cmpwi 31, 0x3131\n"
- "bne 1f\n"
-
- /* Load junk into all our registers before we reload them from the stack. */
- "li 3, 0xde\n"
- "li 4, 0xad\n"
- "li 5, 0xbe\n"
- "li 6, 0xef\n"
- "li 7, 0xde\n"
- "li 8, 0xad\n"
- "li 9, 0xbe\n"
- "li 10, 0xef\n"
- "li 11, 0xde\n"
- "li 14, 0xad\n"
- "li 15, 0xbe\n"
- "li 16, 0xef\n"
- "li 17, 0xde\n"
- "li 18, 0xad\n"
- "li 19, 0xbe\n"
- "li 20, 0xef\n"
- "li 21, 0xde\n"
- "li 22, 0xad\n"
- "li 23, 0xbe\n"
- "li 24, 0xef\n"
- "li 25, 0xde\n"
- "li 26, 0xad\n"
- "li 27, 0xbe\n"
- "li 28, 0xef\n"
- "li 29, 0xdd\n"
-
- "ld 3, -96(1)\n"
- "cmpwi 3, 0x3030\n"
- "bne 1f\n"
- "ld 4, -104(1)\n"
- "cmpwi 4, 0x4040\n"
- "bne 1f\n"
- "ld 5, -112(1)\n"
- "cmpwi 5, 0x5050\n"
- "bne 1f\n"
- "ld 6, -120(1)\n"
- "cmpwi 6, 0x6060\n"
- "bne 1f\n"
- "ld 7, -128(1)\n"
- "cmpwi 7, 0x7070\n"
- "bne 1f\n"
- "ld 8, -136(1)\n"
- "cmpwi 8, 0x0808\n"
- "bne 1f\n"
- "ld 9, -144(1)\n"
- "cmpwi 9, 0x0909\n"
- "bne 1f\n"
- "ld 10, -152(1)\n"
- "cmpwi 10, 0x1010\n"
- "bne 1f\n"
- "ld 11, -160(1)\n"
- "cmpwi 11, 0x1111\n"
- "bne 1f\n"
- "ld 14, -168(1)\n"
- "cmpwi 14, 0x1414\n"
- "bne 1f\n"
- "ld 15, -176(1)\n"
- "cmpwi 15, 0x1515\n"
- "bne 1f\n"
- "ld 16, -184(1)\n"
- "cmpwi 16, 0x1616\n"
- "bne 1f\n"
- "ld 17, -192(1)\n"
- "cmpwi 17, 0x1717\n"
- "bne 1f\n"
- "ld 18, -200(1)\n"
- "cmpwi 18, 0x1818\n"
- "bne 1f\n"
- "ld 19, -208(1)\n"
- "cmpwi 19, 0x1919\n"
- "bne 1f\n"
- "ld 20, -216(1)\n"
- "cmpwi 20, 0x2020\n"
- "bne 1f\n"
- "ld 21, -224(1)\n"
- "cmpwi 21, 0x2121\n"
- "bne 1f\n"
- "ld 22, -232(1)\n"
- "cmpwi 22, 0x2222\n"
- "bne 1f\n"
- "ld 23, -240(1)\n"
- "cmpwi 23, 0x2323\n"
- "bne 1f\n"
- "ld 24, -248(1)\n"
- "cmpwi 24, 0x2424\n"
- "bne 1f\n"
- "ld 25, -256(1)\n"
- "cmpwi 25, 0x2525\n"
- "bne 1f\n"
- "ld 26, -264(1)\n"
- "cmpwi 26, 0x2626\n"
- "bne 1f\n"
- "ld 27, -272(1)\n"
- "cmpwi 27, 0x2727\n"
- "bne 1f\n"
- "ld 28, -280(1)\n"
- "cmpwi 28, 0x2828\n"
- "bne 1f\n"
- "ld 29, -288(1)\n"
- "cmpwi 29, 0x2929\n"
- "bne 1f\n"
-
- /* Load 0 (success) to return */
- "li 0, 0\n"
-
- "1: mr %0, 0\n"
-
- : "=r" (rc)
- : /* no inputs */
- : "3", "4", "5", "6", "7", "8", "9", "10", "11", "14",
- "15", "16", "17", "18", "19", "20", "21", "22", "23",
- "24", "25", "26", "27", "28", "29", "30", "31",
- "memory"
- );
-
- return rc;
-}
-
-int core_busy_loop_with_freeze(void)
-{
- int rc;
-
- mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~MMCR0_FC);
- rc = core_busy_loop();
- mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) | MMCR0_FC);
-
- return rc;
-}
-
int ebb_child(union pipe read_pipe, union pipe write_pipe)
{
struct event event;
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