target/arm: Move cpu_get_tb_cpu_state out of line

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180119045438.28582-14-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 2 insertions, 125 deletions

diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 6f6e88511e..d2bb59eded 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -2667,71 +2667,6 @@ static inline bool bswap_code(bool sctlr_b)
 #endif
 }
 
-/* Return the exception level to which FP-disabled exceptions should
- * be taken, or 0 if FP is enabled.
- */
-static inline int fp_exception_el(CPUARMState *env)
-{
-    int fpen;
-    int cur_el = arm_current_el(env);
-
-    /* CPACR and the CPTR registers don't exist before v6, so FP is
-     * always accessible
-     */
-    if (!arm_feature(env, ARM_FEATURE_V6)) {
-        return 0;
-    }
-
-    /* The CPACR controls traps to EL1, or PL1 if we're 32 bit:
-     * 0, 2 : trap EL0 and EL1/PL1 accesses
-     * 1    : trap only EL0 accesses
-     * 3    : trap no accesses
-     */
-    fpen = extract32(env->cp15.cpacr_el1, 20, 2);
-    switch (fpen) {
-    case 0:
-    case 2:
-        if (cur_el == 0 || cur_el == 1) {
-            /* Trap to PL1, which might be EL1 or EL3 */
-            if (arm_is_secure(env) && !arm_el_is_aa64(env, 3)) {
-                return 3;
-            }
-            return 1;
-        }
-        if (cur_el == 3 && !is_a64(env)) {
-            /* Secure PL1 running at EL3 */
-            return 3;
-        }
-        break;
-    case 1:
-        if (cur_el == 0) {
-            return 1;
-        }
-        break;
-    case 3:
-        break;
-    }
-
-    /* For the CPTR registers we don't need to guard with an ARM_FEATURE
-     * check because zero bits in the registers mean "don't trap".
-     */
-
-    /* CPTR_EL2 : present in v7VE or v8 */
-    if (cur_el <= 2 && extract32(env->cp15.cptr_el[2], 10, 1)
-        && !arm_is_secure_below_el3(env)) {
-        /* Trap FP ops at EL2, NS-EL1 or NS-EL0 to EL2 */
-        return 2;
-    }
-
-    /* CPTR_EL3 : present in v8 */
-    if (extract32(env->cp15.cptr_el[3], 10, 1)) {
-        /* Trap all FP ops to EL3 */
-        return 3;
-    }
-
-    return 0;
-}
-
 #ifdef CONFIG_USER_ONLY
 static inline bool arm_cpu_bswap_data(CPUARMState *env)
 {
@@ -2778,66 +2713,8 @@ static inline uint32_t arm_regime_tbi1(CPUARMState *env, ARMMMUIdx mmu_idx)
 }
 #endif
 
-static inline void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc,
-                                        target_ulong *cs_base, uint32_t *flags)
-{
-    ARMMMUIdx mmu_idx = core_to_arm_mmu_idx(env, cpu_mmu_index(env, false));
-    if (is_a64(env)) {
-        *pc = env->pc;
-        *flags = ARM_TBFLAG_AARCH64_STATE_MASK;
-        /* Get control bits for tagged addresses */
-        *flags |= (arm_regime_tbi0(env, mmu_idx) << ARM_TBFLAG_TBI0_SHIFT);
-        *flags |= (arm_regime_tbi1(env, mmu_idx) << ARM_TBFLAG_TBI1_SHIFT);
-    } else {
-        *pc = env->regs[15];
-        *flags = (env->thumb << ARM_TBFLAG_THUMB_SHIFT)
-            | (env->vfp.vec_len << ARM_TBFLAG_VECLEN_SHIFT)
-            | (env->vfp.vec_stride << ARM_TBFLAG_VECSTRIDE_SHIFT)
-            | (env->condexec_bits << ARM_TBFLAG_CONDEXEC_SHIFT)
-            | (arm_sctlr_b(env) << ARM_TBFLAG_SCTLR_B_SHIFT);
-        if (!(access_secure_reg(env))) {
-            *flags |= ARM_TBFLAG_NS_MASK;
-        }
-        if (env->vfp.xregs[ARM_VFP_FPEXC] & (1 << 30)
-            || arm_el_is_aa64(env, 1)) {
-            *flags |= ARM_TBFLAG_VFPEN_MASK;
-        }
-        *flags |= (extract32(env->cp15.c15_cpar, 0, 2)
-                   << ARM_TBFLAG_XSCALE_CPAR_SHIFT);
-    }
-
-    *flags |= (arm_to_core_mmu_idx(mmu_idx) << ARM_TBFLAG_MMUIDX_SHIFT);
-
-    /* The SS_ACTIVE and PSTATE_SS bits correspond to the state machine
-     * states defined in the ARM ARM for software singlestep:
-     *  SS_ACTIVE   PSTATE.SS   State
-     *     0            x       Inactive (the TB flag for SS is always 0)
-     *     1            0       Active-pending
-     *     1            1       Active-not-pending
-     */
-    if (arm_singlestep_active(env)) {
-        *flags |= ARM_TBFLAG_SS_ACTIVE_MASK;
-        if (is_a64(env)) {
-            if (env->pstate & PSTATE_SS) {
-                *flags |= ARM_TBFLAG_PSTATE_SS_MASK;
-            }
-        } else {
-            if (env->uncached_cpsr & PSTATE_SS) {
-                *flags |= ARM_TBFLAG_PSTATE_SS_MASK;
-            }
-        }
-    }
-    if (arm_cpu_data_is_big_endian(env)) {
-        *flags |= ARM_TBFLAG_BE_DATA_MASK;
-    }
-    *flags |= fp_exception_el(env) << ARM_TBFLAG_FPEXC_EL_SHIFT;
-
-    if (arm_v7m_is_handler_mode(env)) {
-        *flags |= ARM_TBFLAG_HANDLER_MASK;
-    }
-
-    *cs_base = 0;
-}
+void cpu_get_tb_cpu_state(CPUARMState *env, target_ulong *pc,
+                          target_ulong *cs_base, uint32_t *flags);
 
 enum {
     QEMU_PSCI_CONDUIT_DISABLED = 0,