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authorAurelien Jarno <aurelien@aurel32.net>2017-05-01 23:20:43 +0200
committerAurelien Jarno <aurelien@aurel32.net>2017-05-13 11:18:27 +0200
commit34257c2117209573ddff290128d4192cf9bbdf23 (patch)
tree6593fbf774d66c1d37dace6efe0e7bf00dfe47a4 /target/sh4/cpu.h
parent143021b26ffe1a468236c824003caaf4fd7d4831 (diff)
target/sh4: trap unaligned accesses
SH4 requires that memory accesses are naturally aligned, except for the SH4-A movua.l instructions which can do unaligned loads. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target/sh4/cpu.h')
-rw-r--r--target/sh4/cpu.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/target/sh4/cpu.h b/target/sh4/cpu.h
index faab3012f9..6c07c6b24b 100644
--- a/target/sh4/cpu.h
+++ b/target/sh4/cpu.h
@@ -24,6 +24,7 @@
#include "cpu-qom.h"
#define TARGET_LONG_BITS 32
+#define ALIGNED_ONLY
/* CPU Subtypes */
#define SH_CPU_SH7750 (1 << 0)
@@ -215,6 +216,9 @@ void superh_cpu_dump_state(CPUState *cpu, FILE *f,
hwaddr superh_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
int superh_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
int superh_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
+void superh_cpu_do_unaligned_access(CPUState *cpu, vaddr addr,
+ MMUAccessType access_type,
+ int mmu_idx, uintptr_t retaddr);
void sh4_translate_init(void);
SuperHCPU *cpu_sh4_init(const char *cpu_model);