#include "cpu.h"
#include "helper.h"
-#include "host-utils.h"
+#include "qemu/host-utils.h"
static void do_unaligned_access(CPUXtensaState *env,
target_ulong addr, int is_write, int is_user, uintptr_t retaddr);
#define MMUSUFFIX _mmu
#define SHIFT 0
-#include "softmmu_template.h"
+#include "exec/softmmu_template.h"
#define SHIFT 1
-#include "softmmu_template.h"
+#include "exec/softmmu_template.h"
#define SHIFT 2
-#include "softmmu_template.h"
+#include "exec/softmmu_template.h"
#define SHIFT 3
-#include "softmmu_template.h"
-
-static void do_restore_state(CPUXtensaState *env, uintptr_t pc)
-{
- TranslationBlock *tb;
-
- tb = tb_find_pc(pc);
- if (tb) {
- cpu_restore_state(tb, env, pc);
- }
-}
+#include "exec/softmmu_template.h"
static void do_unaligned_access(CPUXtensaState *env,
target_ulong addr, int is_write, int is_user, uintptr_t retaddr)
{
if (xtensa_option_enabled(env->config, XTENSA_OPTION_UNALIGNED_EXCEPTION) &&
!xtensa_option_enabled(env->config, XTENSA_OPTION_HW_ALIGNMENT)) {
- do_restore_state(env, retaddr);
+ cpu_restore_state(env, retaddr);
HELPER(exception_cause_vaddr)(env,
env->pc, LOAD_STORE_ALIGNMENT_CAUSE, addr);
}
paddr & TARGET_PAGE_MASK,
access, mmu_idx, page_size);
} else {
- do_restore_state(env, retaddr);
+ cpu_restore_state(env, retaddr);
HELPER(exception_cause_vaddr)(env, env->pc, ret, vaddr);
}
}
void HELPER(waiti)(CPUXtensaState *env, uint32_t pc, uint32_t intlevel)
{
+ CPUState *cpu;
+
env->pc = pc;
env->sregs[PS] = (env->sregs[PS] & ~PS_INTLEVEL) |
(intlevel << PS_INTLEVEL_SHIFT);
return;
}
+ cpu = CPU(xtensa_env_get_cpu(env));
env->halt_clock = qemu_get_clock_ns(vm_clock);
- env->halted = 1;
+ cpu->halted = 1;
if (xtensa_option_enabled(env->config, XTENSA_OPTION_TIMER_INTERRUPT)) {
xtensa_rearm_ccompare_timer(env);
}
check_interrupts(env);
}
+/*!
+ * Check vaddr accessibility/cache attributes and raise an exception if
+ * specified by the ATOMCTL SR.
+ *
+ * Note: local memory exclusion is not implemented
+ */
+void HELPER(check_atomctl)(CPUXtensaState *env, uint32_t pc, uint32_t vaddr)
+{
+ uint32_t paddr, page_size, access;
+ uint32_t atomctl = env->sregs[ATOMCTL];
+ int rc = xtensa_get_physical_addr(env, true, vaddr, 1,
+ xtensa_get_cring(env), &paddr, &page_size, &access);
+
+ /*
+ * s32c1i never causes LOAD_PROHIBITED_CAUSE exceptions,
+ * see opcode description in the ISA
+ */
+ if (rc == 0 &&
+ (access & (PAGE_READ | PAGE_WRITE)) != (PAGE_READ | PAGE_WRITE)) {
+ rc = STORE_PROHIBITED_CAUSE;
+ }
+
+ if (rc) {
+ HELPER(exception_cause_vaddr)(env, pc, rc, vaddr);
+ }
+
+ /*
+ * When data cache is not configured use ATOMCTL bypass field.
+ * See ISA, 4.3.12.4 The Atomic Operation Control Register (ATOMCTL)
+ * under the Conditional Store Option.
+ */
+ if (!xtensa_option_enabled(env->config, XTENSA_OPTION_DCACHE)) {
+ access = PAGE_CACHE_BYPASS;
+ }
+
+ switch (access & PAGE_CACHE_MASK) {
+ case PAGE_CACHE_WB:
+ atomctl >>= 2;
+ case PAGE_CACHE_WT:
+ atomctl >>= 2;
+ case PAGE_CACHE_BYPASS:
+ if ((atomctl & 0x3) == 0) {
+ HELPER(exception_cause_vaddr)(env, pc,
+ LOAD_STORE_ERROR_CAUSE, vaddr);
+ }
+ break;
+
+ case PAGE_CACHE_ISOLATE:
+ HELPER(exception_cause_vaddr)(env, pc,
+ LOAD_STORE_ERROR_CAUSE, vaddr);
+ break;
+
+ default:
+ break;
+ }
+}
+
void HELPER(wsr_rasid)(CPUXtensaState *env, uint32_t v)
{
v = (v & 0xffffff00) | 0x1;