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target/arm: Move get_phys_addr_pmsav7_default to ptw.c

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220604040607.269301-7-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-06-08 19:38:49 +01:00 committed by Peter Maydell
parent 9a12fb366d
commit 7d2e08c960
3 changed files with 44 additions and 41 deletions
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41
target/arm/helper.c
View File

@ -11678,47 +11678,6 @@ do_fault:
return true;
}
static inline void get_phys_addr_pmsav7_default(CPUARMState *env,
ARMMMUIdx mmu_idx,
int32_t address, int *prot)
{
if (!arm_feature(env, ARM_FEATURE_M)) {
*prot = PAGE_READ | PAGE_WRITE;
switch (address) {
case 0xF0000000 ... 0xFFFFFFFF:
if (regime_sctlr(env, mmu_idx) & SCTLR_V) {
/* hivecs execing is ok */
*prot |= PAGE_EXEC;
}
break;
case 0x00000000 ... 0x7FFFFFFF:
*prot |= PAGE_EXEC;
break;
}
} else {
/* Default system address map for M profile cores.
* The architecture specifies which regions are execute-never;
* at the MPU level no other checks are defined.
*/
switch (address) {
case 0x00000000 ... 0x1fffffff: /* ROM */
case 0x20000000 ... 0x3fffffff: /* SRAM */
case 0x60000000 ... 0x7fffffff: /* RAM */
case 0x80000000 ... 0x9fffffff: /* RAM */
*prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
break;
case 0x40000000 ... 0x5fffffff: /* Peripheral */
case 0xa0000000 ... 0xbfffffff: /* Device */
case 0xc0000000 ... 0xdfffffff: /* Device */
case 0xe0000000 ... 0xffffffff: /* System */
*prot = PAGE_READ | PAGE_WRITE;
break;
default:
g_assert_not_reached();
}
}
}
static bool pmsav7_use_background_region(ARMCPU *cpu,
ARMMMUIdx mmu_idx, bool is_user)
{

41
target/arm/ptw.c
View File

@ -374,6 +374,47 @@ static bool get_phys_addr_pmsav5(CPUARMState *env, uint32_t address,
return false;
}
void get_phys_addr_pmsav7_default(CPUARMState *env,
ARMMMUIdx mmu_idx,
int32_t address, int *prot)
{
if (!arm_feature(env, ARM_FEATURE_M)) {
*prot = PAGE_READ | PAGE_WRITE;
switch (address) {
case 0xF0000000 ... 0xFFFFFFFF:
if (regime_sctlr(env, mmu_idx) & SCTLR_V) {
/* hivecs execing is ok */
*prot |= PAGE_EXEC;
}
break;
case 0x00000000 ... 0x7FFFFFFF:
*prot |= PAGE_EXEC;
break;
}
} else {
/* Default system address map for M profile cores.
* The architecture specifies which regions are execute-never;
* at the MPU level no other checks are defined.
*/
switch (address) {
case 0x00000000 ... 0x1fffffff: /* ROM */
case 0x20000000 ... 0x3fffffff: /* SRAM */
case 0x60000000 ... 0x7fffffff: /* RAM */
case 0x80000000 ... 0x9fffffff: /* RAM */
*prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
break;
case 0x40000000 ... 0x5fffffff: /* Peripheral */
case 0xa0000000 ... 0xbfffffff: /* Device */
case 0xc0000000 ... 0xdfffffff: /* Device */
case 0xe0000000 ... 0xffffffff: /* System */
*prot = PAGE_READ | PAGE_WRITE;
break;
default:
g_assert_not_reached();
}
}
}
/**
* get_phys_addr - get the physical address for this virtual address
*

3
target/arm/ptw.h
View File

@ -33,6 +33,9 @@ simple_ap_to_rw_prot(CPUARMState *env, ARMMMUIdx mmu_idx, int ap)
return simple_ap_to_rw_prot_is_user(ap, regime_is_user(env, mmu_idx));
}
void get_phys_addr_pmsav7_default(CPUARMState *env,
ARMMMUIdx mmu_idx,
int32_t address, int *prot);
bool get_phys_addr_pmsav7(CPUARMState *env, uint32_t address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, int *prot,