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| author | Matthias Welwarsky <matthias.welwarsky@sysgo.com> | 2016-10-20 16:23:40 +0200 |
|---|---|---|
| committer | Matthias Welwarsky <matthias.welwarsky@sysgo.com> | 2017-02-10 14:18:35 +0100 |
| commit | 9f4b5b509f016a8c78f44d2a668784fa7fc10e3f (patch) | |
| tree | 3c837d2b7fec74ae4622274baccaea5ee9b9c111 /src/target/armv8_dpm.c | |
| parent | 0a53bae0ea4007f171802b7d5e65499d4aa18ad0 (diff) | |
| download | riscv-openocd-9f4b5b509f016a8c78f44d2a668784fa7fc10e3f.zip riscv-openocd-9f4b5b509f016a8c78f44d2a668784fa7fc10e3f.tar.gz riscv-openocd-9f4b5b509f016a8c78f44d2a668784fa7fc10e3f.tar.bz2 | |
aarch64: discard async aborts on entering debug state
recommended for Corte-A8 cores, not sure if necessary
for ARMv8 based cores as well.
Change-Id: Ibcb36170c5fac6a6b132de17f734c70a56919f9b
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Diffstat (limited to 'src/target/armv8_dpm.c')
| -rw-r--r-- | src/target/armv8_dpm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/target/armv8_dpm.c b/src/target/armv8_dpm.c index ee9e1f3..8caa8b6 100644 --- a/src/target/armv8_dpm.c +++ b/src/target/armv8_dpm.c @@ -360,9 +360,14 @@ static int dpmv8_instr_write_data_r0_64(struct arm_dpm *dpm, static int dpmv8_instr_cpsr_sync(struct arm_dpm *dpm) { + int retval; struct armv8_common *armv8 = dpm->arm->arch_info; + /* "Prefetch flush" after modifying execution status in CPSR */ - return dpmv8_exec_opcode(dpm, armv8_opcode(armv8, ARMV8_OPC_DSB_SY), NULL); + retval = dpmv8_exec_opcode(dpm, armv8_opcode(armv8, ARMV8_OPC_DSB_SY), &dpm->dscr); + if (retval == ERROR_OK) + dpmv8_exec_opcode(dpm, armv8_opcode(armv8, ARMV8_OPC_ISB_SY), &dpm->dscr); + return retval; } static int dpmv8_instr_read_data_dcc(struct arm_dpm *dpm, |