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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2023-09-14 16:08:53 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2023-10-20 11:16:54 +0200 |
| commit | b6dc4b47077803cde93648016d15ce3992573d03 (patch) | |
| tree | 425c75b086ca6c211490c7a73b0c96746dba91d5 /cpukit/score/cpu/sparc/sparc-counter-asm.S | |
| parent | bsps/leon3: Optional IRQ(A)MP timestamp support (diff) | |
| download | rtems-b6dc4b47077803cde93648016d15ce3992573d03.tar.bz2 | |
sparc: Move CPU counter implementation
Enable a BSP-specific CPU counter implementation.
Update #4954.
Diffstat (limited to '')
| -rw-r--r-- | bsps/sparc/shared/start/sparc-counter-asm.S (renamed from cpukit/score/cpu/sparc/sparc-counter-asm.S) | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/cpukit/score/cpu/sparc/sparc-counter-asm.S b/bsps/sparc/shared/start/sparc-counter-asm.S index 890876eff1..8b988bf3ed 100644 --- a/cpukit/score/cpu/sparc/sparc-counter-asm.S +++ b/bsps/sparc/shared/start/sparc-counter-asm.S @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-2-Clause */ /* - * Copyright (C) 2016, 2018 embedded brains GmbH & Co. KG + * Copyright (C) 2016, 2023 embedded brains GmbH & Co. KG * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -39,6 +39,32 @@ .section ".text" .align 4 + /* + * This is a workaround for: + * https://gcc.gnu.org/bugzilla//show_bug.cgi?id=69027 + */ + PUBLIC(_CPU_Counter_read) +SYM(_CPU_Counter_read): + sethi %hi(_SPARC_Counter + 4), %o1 + ld [%o1 + %lo(_SPARC_Counter + 4)], %o1 + or %o7, %g0, %g1 + call %o1, 0 + or %g1, %g0, %o7 + +#if defined(RTEMS_PROFILING) + /* + * This is a workaround for: + * https://gcc.gnu.org/bugzilla//show_bug.cgi?id=69027 + */ + PUBLIC(_SPARC_Counter_read_ISR_disabled) +SYM(_SPARC_Counter_read_ISR_disabled): + sethi %hi(_SPARC_Counter), %o1 + ld [%o1 + %lo(_SPARC_Counter)], %o1 + or %o7, %g0, %g1 + call %o1, 0 + or %g1, %g0, %o7 +#endif + PUBLIC(_SPARC_Counter_read_default) SYM(_SPARC_Counter_read_default): sethi %hi(_SPARC_Counter + 12), %o1 |