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target/loongarch: Move function get_dir_base_width to common directory

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Function get_dir_base_width() is used by loongarch_page_table_walker(),
so it is used by KVM mode also, here move this function from directory
tcg to common directory.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250423080417.3739809-4-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
This commit is contained in:
Bibo Mao 2025-04-23 16:04:11 +08:00 • committed by Song Gao
parent a8d1b5bca5
commit 885398ee09
2 changed files with 28 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

28
target/loongarch/cpu_helper.c
View file

@ -157,6 +157,34 @@ static int loongarch_get_addr_from_tlb(CPULoongArchState *env, hwaddr *physical,
return TLBRET_NOMATCH;
}
void get_dir_base_width(CPULoongArchState *env, uint64_t *dir_base,
uint64_t *dir_width, target_ulong level)
{
switch (level) {
case 1:
*dir_base = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, DIR1_BASE);
*dir_width = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, DIR1_WIDTH);
break;
case 2:
*dir_base = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, DIR2_BASE);
*dir_width = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, DIR2_WIDTH);
break;
case 3:
*dir_base = FIELD_EX64(env->CSR_PWCH, CSR_PWCH, DIR3_BASE);
*dir_width = FIELD_EX64(env->CSR_PWCH, CSR_PWCH, DIR3_WIDTH);
break;
case 4:
*dir_base = FIELD_EX64(env->CSR_PWCH, CSR_PWCH, DIR4_BASE);
*dir_width = FIELD_EX64(env->CSR_PWCH, CSR_PWCH, DIR4_WIDTH);
break;
default:
/* level may be zero for ldpte */
*dir_base = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, PTBASE);
*dir_width = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, PTWIDTH);
break;
}
}
static int loongarch_page_table_walker(CPULoongArchState *env, hwaddr *physical,
int *prot, target_ulong address)
{

28
target/loongarch/tcg/tlb_helper.c
View file

@ -27,34 +27,6 @@ bool check_ps(CPULoongArchState *env, uint8_t tlb_ps)
return BIT_ULL(tlb_ps) & (env->CSR_PRCFG2);
}
void get_dir_base_width(CPULoongArchState *env, uint64_t *dir_base,
uint64_t *dir_width, target_ulong level)
{
switch (level) {
case 1:
*dir_base = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, DIR1_BASE);
*dir_width = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, DIR1_WIDTH);
break;
case 2:
*dir_base = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, DIR2_BASE);
*dir_width = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, DIR2_WIDTH);
break;
case 3:
*dir_base = FIELD_EX64(env->CSR_PWCH, CSR_PWCH, DIR3_BASE);
*dir_width = FIELD_EX64(env->CSR_PWCH, CSR_PWCH, DIR3_WIDTH);
break;
case 4:
*dir_base = FIELD_EX64(env->CSR_PWCH, CSR_PWCH, DIR4_BASE);
*dir_width = FIELD_EX64(env->CSR_PWCH, CSR_PWCH, DIR4_WIDTH);
break;
default:
/* level may be zero for ldpte */
*dir_base = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, PTBASE);
*dir_width = FIELD_EX64(env->CSR_PWCL, CSR_PWCL, PTWIDTH);
break;
}
}
static void raise_mmu_exception(CPULoongArchState *env, target_ulong address,
MMUAccessType access_type, int tlb_error)
{