diff options
| author | Kinsey Moore <kinsey.moore@oarcorp.com> | 2021-10-25 12:19:13 -0500 |
|---|---|---|
| committer | Joel Sherrill <joel@rtems.org> | 2021-11-01 08:39:00 -0500 |
| commit | a857a225d06b9090b0386934551392af073c731e (patch) | |
| tree | cbfdc97aa7cdbd0db35673e47972ee79d6af2bea /bsps | |
| parent | bsps/aarch64: Mask debug events from startup (diff) | |
| download | rtems-a857a225d06b9090b0386934551392af073c731e.tar.bz2 | |
cpukit/aarch64: Add libdebugger support
This adds support for libdebugger under AArch64 using software
breakpoints and the single-step execution mode present in all AArch64
CPUs.
Diffstat (limited to 'bsps')
| -rw-r--r-- | bsps/aarch64/include/bsp/aarch64-mmu.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/bsps/aarch64/include/bsp/aarch64-mmu.h b/bsps/aarch64/include/bsp/aarch64-mmu.h index 9926eb97f6..b1a471d534 100644 --- a/bsps/aarch64/include/bsp/aarch64-mmu.h +++ b/bsps/aarch64/include/bsp/aarch64-mmu.h @@ -371,6 +371,17 @@ aarch64_mmu_enable( void ) _AArch64_Write_sctlr_el1( sctlr ); } +BSP_START_TEXT_SECTION static inline void +aarch64_mmu_disable( void ) +{ + uint64_t sctlr; + + /* Enable MMU and cache */ + sctlr = _AArch64_Read_sctlr_el1(); + sctlr &= ~(AARCH64_SCTLR_EL1_M); + _AArch64_Write_sctlr_el1( sctlr ); +} + BSP_START_TEXT_SECTION static inline void aarch64_mmu_setup( void ) { /* Set TCR */ |