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authorAlistair Delva <adelva@google.com>2021-02-16 21:01:22 +0000
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2021-02-16 21:01:22 +0000
commitefb2826bb8160e2d8e0fcec85133a7468484f9fd (patch)
tree37a21c69306801ee7cdda5167a30896c8740155b /bl32/tsp/tsp_main.c
parentb00a71fc312c9781fa6f404dccfb55b062b2ccac (diff)
parentfaa476c0caaa598afa5a6109d17102db5fe35ec6 (diff)
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Original change: https://android-review.googlesource.com/c/platform/external/arm-trusted-firmware/+/1589611 MUST ONLY BE SUBMITTED BY AUTOMERGER Change-Id: I3a25534ceed4f8e188510641080d8b8ed49b8f62
Diffstat (limited to 'bl32/tsp/tsp_main.c')
-rw-r--r--bl32/tsp/tsp_main.c38
1 files changed, 23 insertions, 15 deletions
diff --git a/bl32/tsp/tsp_main.c b/bl32/tsp/tsp_main.c
index e1d961cc6..01c9ec58f 100644
--- a/bl32/tsp/tsp_main.c
+++ b/bl32/tsp/tsp_main.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -273,11 +273,11 @@ tsp_args_t *tsp_cpu_resume_main(uint64_t max_off_pwrlvl,
spin_lock(&console_lock);
INFO("TSP: cpu 0x%lx resumed. maximum off power level %lld\n",
read_mpidr(), max_off_pwrlvl);
- INFO("TSP: cpu 0x%lx: %d smcs, %d erets %d cpu suspend requests\n",
+ INFO("TSP: cpu 0x%lx: %d smcs, %d erets %d cpu resume requests\n",
read_mpidr(),
tsp_stats[linear_id].smc_count,
tsp_stats[linear_id].eret_count,
- tsp_stats[linear_id].cpu_suspend_count);
+ tsp_stats[linear_id].cpu_resume_count);
spin_unlock(&console_lock);
#endif
/* Indicate to the SPD that we have completed this request */
@@ -363,30 +363,38 @@ tsp_args_t *tsp_smc_handler(uint64_t func,
uint64_t arg6,
uint64_t arg7)
{
+ uint128_t service_args;
+ uint64_t service_arg0;
+ uint64_t service_arg1;
uint64_t results[2];
- uint64_t service_args[2];
uint32_t linear_id = plat_my_core_pos();
/* Update this cpu's statistics */
tsp_stats[linear_id].smc_count++;
tsp_stats[linear_id].eret_count++;
+#if LOG_LEVEL >= LOG_LEVEL_INFO
+ spin_lock(&console_lock);
INFO("TSP: cpu 0x%lx received %s smc 0x%llx\n", read_mpidr(),
((func >> 31) & 1) == 1 ? "fast" : "yielding",
func);
INFO("TSP: cpu 0x%lx: %d smcs, %d erets\n", read_mpidr(),
tsp_stats[linear_id].smc_count,
tsp_stats[linear_id].eret_count);
+ spin_unlock(&console_lock);
+#endif
/* Render secure services and obtain results here */
results[0] = arg1;
results[1] = arg2;
/*
- * Request a service back from dispatcher/secure monitor. This call
- * return and thereafter resume execution
+ * Request a service back from dispatcher/secure monitor.
+ * This call returns and thereafter resumes execution.
*/
- tsp_get_magic(service_args);
+ service_args = tsp_get_magic();
+ service_arg0 = (uint64_t)service_args;
+ service_arg1 = (uint64_t)(service_args >> 64U);
#if CTX_INCLUDE_MTE_REGS
/*
@@ -399,20 +407,20 @@ tsp_args_t *tsp_smc_handler(uint64_t func,
/* Determine the function to perform based on the function ID */
switch (TSP_BARE_FID(func)) {
case TSP_ADD:
- results[0] += service_args[0];
- results[1] += service_args[1];
+ results[0] += service_arg0;
+ results[1] += service_arg1;
break;
case TSP_SUB:
- results[0] -= service_args[0];
- results[1] -= service_args[1];
+ results[0] -= service_arg0;
+ results[1] -= service_arg1;
break;
case TSP_MUL:
- results[0] *= service_args[0];
- results[1] *= service_args[1];
+ results[0] *= service_arg0;
+ results[1] *= service_arg1;
break;
case TSP_DIV:
- results[0] /= service_args[0] ? service_args[0] : 1;
- results[1] /= service_args[1] ? service_args[1] : 1;
+ results[0] /= service_arg0 ? service_arg0 : 1;
+ results[1] /= service_arg1 ? service_arg1 : 1;
break;
default:
break;