diff options
author | Matthias Welwarsky <matthias.welwarsky@sysgo.com> | 2017-02-17 13:57:08 +0100 |
---|---|---|
committer | Paul Fertser <fercerpav@gmail.com> | 2017-02-24 09:30:43 +0000 |
commit | e513fe949bdd0d334a373a2e0adb6d9b8c036c69 (patch) | |
tree | 9a909f4626a369ce538a5eb2011f3548d02d9707 /src/target | |
parent | 257c434d3ff9a9f7a5d9cec1ed7a2bd1ff82eaf5 (diff) |
aarch64: clean up struct aarch64_common
remove some rarely or completely unused components.
Change-Id: Id285bb7075901016297fa173a874db7f11a840d7
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Reviewed-on: http://openocd.zylin.com/3992
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
Diffstat (limited to 'src/target')
-rw-r--r-- | src/target/aarch64.c | 26 | ||||
-rw-r--r-- | src/target/aarch64.h | 9 |
2 files changed, 14 insertions, 21 deletions
diff --git a/src/target/aarch64.c b/src/target/aarch64.c index da7d2a92..29cbb079 100644 --- a/src/target/aarch64.c +++ b/src/target/aarch64.c @@ -331,7 +331,6 @@ static int aarch64_poll(struct target *target) armv8->debug_base + CPUV8_DBG_DSCR, &dscr); if (retval != ERROR_OK) return retval; - aarch64->cpudbg_dscr = dscr; if (DSCR_RUN_MODE(dscr) == 0x3) { if (prev_target_state != TARGET_HALTED) { @@ -601,22 +600,28 @@ static int aarch64_resume(struct target *target, int current, static int aarch64_debug_entry(struct target *target) { int retval = ERROR_OK; - struct aarch64_common *aarch64 = target_to_aarch64(target); struct armv8_common *armv8 = target_to_armv8(target); struct arm_dpm *dpm = &armv8->dpm; enum arm_state core_state; + uint32_t dscr; + + /* make sure to clear all sticky errors */ + retval = mem_ap_write_atomic_u32(armv8->debug_ap, + armv8->debug_base + CPUV8_DBG_DRCR, DRCR_CSE); + if (retval == ERROR_OK) + retval = mem_ap_read_atomic_u32(armv8->debug_ap, + armv8->debug_base + CPUV8_DBG_DSCR, &dscr); - LOG_DEBUG("%s dscr = 0x%08" PRIx32, target_name(target), aarch64->cpudbg_dscr); + if (retval != ERROR_OK) + return retval; + + LOG_DEBUG("%s dscr = 0x%08" PRIx32, target_name(target), dscr); - dpm->dscr = aarch64->cpudbg_dscr; + dpm->dscr = dscr; core_state = armv8_dpm_get_core_state(dpm); armv8_select_opcodes(armv8, core_state == ARM_STATE_AARCH64); armv8_select_reg_access(armv8, core_state == ARM_STATE_AARCH64); - /* make sure to clear all sticky errors */ - retval = mem_ap_write_atomic_u32(armv8->debug_ap, - armv8->debug_base + CPUV8_DBG_DRCR, DRCR_CSE); - /* discard async exceptions */ if (retval == ERROR_OK) retval = dpm->instr_cpsr_sync(dpm); @@ -625,7 +630,7 @@ static int aarch64_debug_entry(struct target *target) return retval; /* Examine debug reason */ - armv8_dpm_report_dscr(dpm, aarch64->cpudbg_dscr); + armv8_dpm_report_dscr(dpm, dscr); /* save address of instruction that triggered the watchpoint? */ if (target->debug_reason == DBG_REASON_WATCHPOINT) { @@ -717,7 +722,6 @@ static int aarch64_post_debug_entry(struct target *target) (aarch64->system_control_reg & 0x4U) ? 1 : 0; armv8->armv8_mmu.armv8_cache.i_cache_enabled = (aarch64->system_control_reg & 0x1000U) ? 1 : 0; - aarch64->curr_mode = armv8->arm.core_mode; return ERROR_OK; } @@ -1893,8 +1897,6 @@ static int aarch64_init_arch_info(struct target *target, armv8->arm.dap = tap->dap; - aarch64->fast_reg_read = 0; - /* register arch-specific functions */ armv8->examine_debug_reason = NULL; diff --git a/src/target/aarch64.h b/src/target/aarch64.h index 94916239..c9ec02db 100644 --- a/src/target/aarch64.h +++ b/src/target/aarch64.h @@ -48,25 +48,16 @@ struct aarch64_common { int common_magic; /* Context information */ - uint32_t cpudbg_dscr; - uint32_t system_control_reg; uint32_t system_control_reg_curr; - enum arm_mode curr_mode; - - /* Breakpoint register pairs */ int brp_num_context; int brp_num; int brp_num_available; struct aarch64_brp *brp_list; - /* Use aarch64_read_regs_through_mem for fast register reads */ - int fast_reg_read; - struct armv8_common armv8_common; - }; static inline struct aarch64_common * |