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authorMax Filippov <jcmvbkbc@gmail.com>2019-01-13 19:34:05 -0800
committerMax Filippov <jcmvbkbc@gmail.com>2019-01-13 23:35:34 -0800
commit8803bfea0ea6dee8f44e56775ed77eb4175bb916 (patch)
tree5958752fb4cc9f673de40273042c903099aa723c /target/xtensa/op_helper.c
parent7e5e5a630245727854ac17a973bff1f3b3d87743 (diff)
target/xtensa: extract debug helpers
Move HELPER functions related to native debugging from op_helper.c to dbg_helper.c. No functional changes. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'target/xtensa/op_helper.c')
-rw-r--r--target/xtensa/op_helper.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/target/xtensa/op_helper.c b/target/xtensa/op_helper.c
index 1d3d87012c..e13e686479 100644
--- a/target/xtensa/op_helper.c
+++ b/target/xtensa/op_helper.c
@@ -93,19 +93,6 @@ void xtensa_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr addr,
addr);
}
-static void tb_invalidate_virtual_addr(CPUXtensaState *env, uint32_t vaddr)
-{
- uint32_t paddr;
- uint32_t page_size;
- unsigned access;
- int ret = xtensa_get_physical_addr(env, false, vaddr, 2, 0,
- &paddr, &page_size, &access);
- if (ret == 0) {
- tb_invalidate_phys_addr(&address_space_memory, paddr,
- MEMTXATTRS_UNSPECIFIED);
- }
-}
-
#endif
void HELPER(exception)(CPUXtensaState *env, uint32_t excp)
@@ -325,85 +312,6 @@ void HELPER(wsr_memctl)(CPUXtensaState *env, uint32_t v)
env->sregs[MEMCTL] = v & env->config->memctl_mask;
}
-void HELPER(wsr_ibreakenable)(CPUXtensaState *env, uint32_t v)
-{
- uint32_t change = v ^ env->sregs[IBREAKENABLE];
- unsigned i;
-
- for (i = 0; i < env->config->nibreak; ++i) {
- if (change & (1 << i)) {
- tb_invalidate_virtual_addr(env, env->sregs[IBREAKA + i]);
- }
- }
- env->sregs[IBREAKENABLE] = v & ((1 << env->config->nibreak) - 1);
-}
-
-void HELPER(wsr_ibreaka)(CPUXtensaState *env, uint32_t i, uint32_t v)
-{
- if (env->sregs[IBREAKENABLE] & (1 << i) && env->sregs[IBREAKA + i] != v) {
- tb_invalidate_virtual_addr(env, env->sregs[IBREAKA + i]);
- tb_invalidate_virtual_addr(env, v);
- }
- env->sregs[IBREAKA + i] = v;
-}
-
-static void set_dbreak(CPUXtensaState *env, unsigned i, uint32_t dbreaka,
- uint32_t dbreakc)
-{
- CPUState *cs = CPU(xtensa_env_get_cpu(env));
- int flags = BP_CPU | BP_STOP_BEFORE_ACCESS;
- uint32_t mask = dbreakc | ~DBREAKC_MASK;
-
- if (env->cpu_watchpoint[i]) {
- cpu_watchpoint_remove_by_ref(cs, env->cpu_watchpoint[i]);
- }
- if (dbreakc & DBREAKC_SB) {
- flags |= BP_MEM_WRITE;
- }
- if (dbreakc & DBREAKC_LB) {
- flags |= BP_MEM_READ;
- }
- /* contiguous mask after inversion is one less than some power of 2 */
- if ((~mask + 1) & ~mask) {
- qemu_log_mask(LOG_GUEST_ERROR, "DBREAKC mask is not contiguous: 0x%08x\n", dbreakc);
- /* cut mask after the first zero bit */
- mask = 0xffffffff << (32 - clo32(mask));
- }
- if (cpu_watchpoint_insert(cs, dbreaka & mask, ~mask + 1,
- flags, &env->cpu_watchpoint[i])) {
- env->cpu_watchpoint[i] = NULL;
- qemu_log_mask(LOG_GUEST_ERROR, "Failed to set data breakpoint at 0x%08x/%d\n",
- dbreaka & mask, ~mask + 1);
- }
-}
-
-void HELPER(wsr_dbreaka)(CPUXtensaState *env, uint32_t i, uint32_t v)
-{
- uint32_t dbreakc = env->sregs[DBREAKC + i];
-
- if ((dbreakc & DBREAKC_SB_LB) &&
- env->sregs[DBREAKA + i] != v) {
- set_dbreak(env, i, v, dbreakc);
- }
- env->sregs[DBREAKA + i] = v;
-}
-
-void HELPER(wsr_dbreakc)(CPUXtensaState *env, uint32_t i, uint32_t v)
-{
- if ((env->sregs[DBREAKC + i] ^ v) & (DBREAKC_SB_LB | DBREAKC_MASK)) {
- if (v & DBREAKC_SB_LB) {
- set_dbreak(env, i, env->sregs[DBREAKA + i], v);
- } else {
- if (env->cpu_watchpoint[i]) {
- CPUState *cs = CPU(xtensa_env_get_cpu(env));
-
- cpu_watchpoint_remove_by_ref(cs, env->cpu_watchpoint[i]);
- env->cpu_watchpoint[i] = NULL;
- }
- }
- }
- env->sregs[DBREAKC + i] = v;
-}
#endif
uint32_t HELPER(rer)(CPUXtensaState *env, uint32_t addr)