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Diffstat (limited to 'target/microblaze/helper.c')
-rw-r--r--target/microblaze/helper.c71
1 files changed, 43 insertions, 28 deletions
diff --git a/target/microblaze/helper.c b/target/microblaze/helper.c
index 9203192..ef0e2f9 100644
--- a/target/microblaze/helper.c
+++ b/target/microblaze/helper.c
@@ -26,8 +26,51 @@
#include "exec/target_page.h"
#include "qemu/host-utils.h"
#include "exec/log.h"
+#include "exec/helper-proto.h"
+
+
+G_NORETURN
+static void mb_unaligned_access_internal(CPUState *cs, uint64_t addr,
+ uintptr_t retaddr)
+{
+ CPUMBState *env = cpu_env(cs);
+ uint32_t esr, iflags;
+
+ /* Recover the pc and iflags from the corresponding insn_start. */
+ cpu_restore_state(cs, retaddr);
+ iflags = env->iflags;
+
+ qemu_log_mask(CPU_LOG_INT,
+ "Unaligned access addr=0x%" PRIx64 " pc=%x iflags=%x\n",
+ addr, env->pc, iflags);
+
+ esr = ESR_EC_UNALIGNED_DATA;
+ if (likely(iflags & ESR_ESS_FLAG)) {
+ esr |= iflags & ESR_ESS_MASK;
+ } else {
+ qemu_log_mask(LOG_UNIMP, "Unaligned access without ESR_ESS_FLAG\n");
+ }
+
+ env->ear = addr;
+ env->esr = esr;
+ cs->exception_index = EXCP_HW_EXCP;
+ cpu_loop_exit(cs);
+}
+
+void mb_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
+ MMUAccessType access_type,
+ int mmu_idx, uintptr_t retaddr)
+{
+ mb_unaligned_access_internal(cs, addr, retaddr);
+}
#ifndef CONFIG_USER_ONLY
+
+void HELPER(unaligned_access)(CPUMBState *env, uint64_t addr)
+{
+ mb_unaligned_access_internal(env_cpu(env), addr, GETPC());
+}
+
static bool mb_cpu_access_is_secure(MicroBlazeCPU *cpu,
MMUAccessType access_type)
{
@@ -269,31 +312,3 @@ bool mb_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
}
#endif /* !CONFIG_USER_ONLY */
-
-void mb_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
- MMUAccessType access_type,
- int mmu_idx, uintptr_t retaddr)
-{
- MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs);
- uint32_t esr, iflags;
-
- /* Recover the pc and iflags from the corresponding insn_start. */
- cpu_restore_state(cs, retaddr);
- iflags = cpu->env.iflags;
-
- qemu_log_mask(CPU_LOG_INT,
- "Unaligned access addr=" TARGET_FMT_lx " pc=%x iflags=%x\n",
- (target_ulong)addr, cpu->env.pc, iflags);
-
- esr = ESR_EC_UNALIGNED_DATA;
- if (likely(iflags & ESR_ESS_FLAG)) {
- esr |= iflags & ESR_ESS_MASK;
- } else {
- qemu_log_mask(LOG_UNIMP, "Unaligned access without ESR_ESS_FLAG\n");
- }
-
- cpu->env.ear = addr;
- cpu->env.esr = esr;
- cs->exception_index = EXCP_HW_EXCP;
- cpu_loop_exit(cs);
-}