diff options
Diffstat (limited to 'target-tricore/op_helper.c')
| -rw-r--r-- | target-tricore/op_helper.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/target-tricore/op_helper.c b/target-tricore/op_helper.c index 76d7911235..97b0c8b8d3 100644 --- a/target-tricore/op_helper.c +++ b/target-tricore/op_helper.c @@ -2499,6 +2499,26 @@ void helper_rfe(CPUTriCoreState *env) psw_write(env, new_PSW); } +void helper_rfm(CPUTriCoreState *env) +{ + env->PC = (env->gpr_a[11] & ~0x1); + /* ICR.IE = PCXI.PIE; */ + env->ICR = (env->ICR & ~MASK_ICR_IE) | + ((env->PCXI & ~MASK_PCXI_PIE) >> 15); + /* ICR.CCPN = PCXI.PCPN; */ + env->ICR = (env->ICR & ~MASK_ICR_CCPN) | + ((env->PCXI & ~MASK_PCXI_PCPN) >> 24); + /* {PCXI, PSW, A[10], A[11]} = M(DCX, 4 * word); */ + env->PCXI = cpu_ldl_data(env, env->DCX); + psw_write(env, cpu_ldl_data(env, env->DCX+4)); + env->gpr_a[10] = cpu_ldl_data(env, env->DCX+8); + env->gpr_a[11] = cpu_ldl_data(env, env->DCX+12); + + if (tricore_feature(env, TRICORE_FEATURE_131)) { + env->DBGTCR = 0; + } +} + void helper_ldlcx(CPUTriCoreState *env, uint32_t ea) { uint32_t dummy; @@ -2523,6 +2543,75 @@ void helper_stucx(CPUTriCoreState *env, uint32_t ea) save_context_upper(env, ea); } +void helper_svlcx(CPUTriCoreState *env) +{ + target_ulong tmp_FCX; + target_ulong ea; + target_ulong new_FCX; + + if (env->FCX == 0) { + /* FCU trap */ + } + /* tmp_FCX = FCX; */ + tmp_FCX = env->FCX; + /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */ + ea = ((env->FCX & MASK_FCX_FCXS) << 12) + + ((env->FCX & MASK_FCX_FCXO) << 6); + /* new_FCX = M(EA, word); */ + new_FCX = cpu_ldl_data(env, ea); + /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11], + A[12], A[13], A[14], A[15], D[12], D[13], D[14], + D[15]}; */ + save_context_lower(env, ea); + + /* PCXI.PCPN = ICR.CCPN; */ + env->PCXI = (env->PCXI & 0xffffff) + + ((env->ICR & MASK_ICR_CCPN) << 24); + /* PCXI.PIE = ICR.IE; */ + env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE) + + ((env->ICR & MASK_ICR_IE) << 15)); + /* PCXI.UL = 0; */ + env->PCXI &= ~MASK_PCXI_UL; + + /* PCXI[19: 0] = FCX[19: 0]; */ + env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff); + /* FCX[19: 0] = new_FCX[19: 0]; */ + env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff); + + /* if (tmp_FCX == LCX) trap(FCD);*/ + if (tmp_FCX == env->LCX) { + /* FCD trap */ + } +} + +void helper_rslcx(CPUTriCoreState *env) +{ + target_ulong ea; + target_ulong new_PCXI; + /* if (PCXI[19: 0] == 0) then trap(CSU); */ + if ((env->PCXI & 0xfffff) == 0) { + /* CSU trap */ + } + /* if (PCXI.UL == 1) then trap(CTYP); */ + if ((env->PCXI & MASK_PCXI_UL) == 1) { + /* CTYP trap */ + } + /* EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0}; */ + ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) + + ((env->PCXI & MASK_PCXI_PCXO) << 6); + /* {new_PCXI, A[11], A[10], A[11], D[8], D[9], D[10], D[11], A[12], + A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */ + restore_context_upper(env, ea, &new_PCXI, &env->gpr_a[11]); + /* M(EA, word) = FCX; */ + cpu_stl_data(env, ea, env->FCX); + /* M(EA, word) = FCX; */ + cpu_stl_data(env, ea, env->FCX); + /* FCX[19: 0] = PCXI[19: 0]; */ + env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff); + /* PCXI = new_PCXI; */ + env->PCXI = new_PCXI; +} + void helper_psw_write(CPUTriCoreState *env, uint32_t arg) { psw_write(env, arg); |