diff options
Diffstat (limited to 'target/xtensa/op_helper.c')
| -rw-r--r-- | target/xtensa/op_helper.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/target/xtensa/op_helper.c b/target/xtensa/op_helper.c index 1d3d870..e13e686 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) |