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target/arm: Move regime_el to internals.h

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We will shortly need this in mte_helper.c as well.

Backports commit 9c7ab8fc8cb6d6e2fb7a82c1088691c7c23fa1b9 from qemu
This commit is contained in:
Richard Henderson 2021-02-25 16:04:10 -05:00 committed by Lioncash
parent 7147f5f28a
commit e46cec8543
2 changed files with 36 additions and 36 deletions
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36
qemu/target/arm/helper.c
View file

@ -9537,42 +9537,6 @@ void arm_cpu_do_interrupt(CPUState *cs)
}
#endif /* !CONFIG_USER_ONLY */
/* Return the exception level which controls this address translation regime */
static uint32_t regime_el(CPUARMState *env, ARMMMUIdx mmu_idx)
{
switch (mmu_idx) {
case ARMMMUIdx_E20_0:
case ARMMMUIdx_E20_2:
case ARMMMUIdx_E20_2_PAN:
case ARMMMUIdx_Stage2:
case ARMMMUIdx_E2:
return 2;
case ARMMMUIdx_SE3:
return 3;
case ARMMMUIdx_SE10_0:
return arm_el_is_aa64(env, 3) ? 1 : 3;
case ARMMMUIdx_SE10_1:
case ARMMMUIdx_SE10_1_PAN:
case ARMMMUIdx_Stage1_E0:
case ARMMMUIdx_Stage1_E1:
case ARMMMUIdx_Stage1_E1_PAN:
case ARMMMUIdx_E10_0:
case ARMMMUIdx_E10_1:
case ARMMMUIdx_E10_1_PAN:
case ARMMMUIdx_MPrivNegPri:
case ARMMMUIdx_MUserNegPri:
case ARMMMUIdx_MPriv:
case ARMMMUIdx_MUser:
case ARMMMUIdx_MSPrivNegPri:
case ARMMMUIdx_MSUserNegPri:
case ARMMMUIdx_MSPriv:
case ARMMMUIdx_MSUser:
return 1;
default:
g_assert_not_reached();
}
}
uint64_t arm_sctlr(CPUARMState *env, int el)
{
/* Only EL0 needs to be adjusted for EL1&0 or EL2&0. */

36
qemu/target/arm/internals.h
View file

@ -914,6 +914,42 @@ static inline bool regime_is_pan(CPUARMState *env, ARMMMUIdx mmu_idx)
}
}
/* Return the exception level which controls this address translation regime */
static inline uint32_t regime_el(CPUARMState *env, ARMMMUIdx mmu_idx)
{
switch (mmu_idx) {
case ARMMMUIdx_E20_0:
case ARMMMUIdx_E20_2:
case ARMMMUIdx_E20_2_PAN:
case ARMMMUIdx_Stage2:
case ARMMMUIdx_E2:
return 2;
case ARMMMUIdx_SE3:
return 3;
case ARMMMUIdx_SE10_0:
return arm_el_is_aa64(env, 3) ? 1 : 3;
case ARMMMUIdx_SE10_1:
case ARMMMUIdx_SE10_1_PAN:
case ARMMMUIdx_Stage1_E0:
case ARMMMUIdx_Stage1_E1:
case ARMMMUIdx_Stage1_E1_PAN:
case ARMMMUIdx_E10_0:
case ARMMMUIdx_E10_1:
case ARMMMUIdx_E10_1_PAN:
case ARMMMUIdx_MPrivNegPri:
case ARMMMUIdx_MUserNegPri:
case ARMMMUIdx_MPriv:
case ARMMMUIdx_MUser:
case ARMMMUIdx_MSPrivNegPri:
case ARMMMUIdx_MSUserNegPri:
case ARMMMUIdx_MSPriv:
case ARMMMUIdx_MSUser:
return 1;
default:
g_assert_not_reached();
}
}
/* Return the FSR value for a debug exception (watchpoint, hardware
* breakpoint or BKPT insn) targeting the specified exception level.
*/