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target/m68k: add moves

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and introduce SFC and DFC control registers.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180118193846.24953-6-laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2018-01-18 20:38:44 +01:00
parent 54e1e0b5b5
commit 5fa9f1f283
5 changed files with 98 additions and 7 deletions
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19
target/m68k/cpu.h
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@ -138,6 +138,8 @@ typedef struct CPUM68KState {
uint32_t mbar;
uint32_t rambar0;
uint32_t cacr;
uint32_t sfc;
uint32_t dfc;
int pending_vector;
int pending_level;
@ -544,13 +546,26 @@ void m68k_cpu_unassigned_access(CPUState *cs, hwaddr addr,
#include "exec/cpu-all.h"
/* TB flags */
#define TB_FLAGS_MACSR 0x0f
#define TB_FLAGS_MSR_S_BIT 13
#define TB_FLAGS_MSR_S (1 << TB_FLAGS_MSR_S_BIT)
#define TB_FLAGS_SFC_S_BIT 14
#define TB_FLAGS_SFC_S (1 << TB_FLAGS_SFC_S_BIT)
#define TB_FLAGS_DFC_S_BIT 15
#define TB_FLAGS_DFC_S (1 << TB_FLAGS_DFC_S_BIT)
static inline void cpu_get_tb_cpu_state(CPUM68KState *env, target_ulong *pc,
target_ulong *cs_base, uint32_t *flags)
{
*pc = env->pc;
*cs_base = 0;
*flags = (env->sr & SR_S) /* Bit 13 */
| ((env->macsr >> 4) & 0xf); /* Bits 0-3 */
*flags = (env->macsr >> 4) & TB_FLAGS_MACSR;
if (env->sr & SR_S) {
*flags |= TB_FLAGS_MSR_S;
*flags |= (env->sfc << (TB_FLAGS_SFC_S_BIT - 2)) & TB_FLAGS_SFC_S;
*flags |= (env->dfc << (TB_FLAGS_DFC_S_BIT - 2)) & TB_FLAGS_DFC_S;
}
}
#endif