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| author | Matthias Welwarsky <matthias.welwarsky@sysgo.com> | 2017-02-15 14:57:21 +0100 |
|---|---|---|
| committer | Paul Fertser <fercerpav@gmail.com> | 2017-02-24 09:15:18 +0000 |
| commit | 6fb9f2e3ee05d8ff6241e6d61f7de0e71afeb45c (patch) | |
| tree | 75627cf6d44965644737e7de93eb69e71ad1af8d /src/target/aarch64.c | |
| parent | 095ff3d2103f9e8089b5b1fb0816d43874014e08 (diff) | |
| download | riscv-openocd-6fb9f2e3ee05d8ff6241e6d61f7de0e71afeb45c.zip riscv-openocd-6fb9f2e3ee05d8ff6241e6d61f7de0e71afeb45c.tar.gz riscv-openocd-6fb9f2e3ee05d8ff6241e6d61f7de0e71afeb45c.tar.bz2 | |
armv8: factor out generic bit set/clr for debug registers
introduce armv8_set_dbgreg_bits() function to make register
bit-field modifications easier to read.
Change-Id: I6b06f66262587fd301d848c9e0645e8327653de7
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Reviewed-on: http://openocd.zylin.com/3989
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
Diffstat (limited to 'src/target/aarch64.c')
| -rw-r--r-- | src/target/aarch64.c | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/src/target/aarch64.c b/src/target/aarch64.c index 5dd6d7a..65a5278 100644 --- a/src/target/aarch64.c +++ b/src/target/aarch64.c @@ -238,23 +238,7 @@ static int aarch64_dpm_setup(struct aarch64_common *a8, uint64_t debug) static int aarch64_set_dscr_bits(struct target *target, unsigned long bit_mask, unsigned long value) { struct armv8_common *armv8 = target_to_armv8(target); - uint32_t dscr; - - /* Read DSCR */ - int retval = mem_ap_read_atomic_u32(armv8->debug_ap, - armv8->debug_base + CPUV8_DBG_DSCR, &dscr); - if (ERROR_OK != retval) - return retval; - - /* clear bitfield */ - dscr &= ~bit_mask; - /* put new value */ - dscr |= value & bit_mask; - - /* write new DSCR */ - retval = mem_ap_write_atomic_u32(armv8->debug_ap, - armv8->debug_base + CPUV8_DBG_DSCR, dscr); - return retval; + return armv8_set_dbgreg_bits(armv8, CPUV8_DBG_DSCR, bit_mask, value); } static struct target *get_aarch64(struct target *target, int32_t coreid) |