haraldwolff/qemu-patch-raspberry4
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target/mips: Remove access_type argument from map_address() handler

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TLB map_address() handlers don't use the 'access_type' argument,
remove it to simplify.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20210128144125.3696119-2-f4bug@amsat.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-01-28 01:43:34 +01:00
parent 0ab8e33a48
commit afe2fe4d04
2 changed files with 11 additions and 12 deletions
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8
target/mips/internal.h
View file

@ -111,7 +111,7 @@ struct CPUMIPSTLBContext {
uint32_t nb_tlb;
uint32_t tlb_in_use;
int (*map_address)(struct CPUMIPSState *env, hwaddr *physical, int *prot,
target_ulong address, int rw, int access_type);
target_ulong address, int rw);
void (*helper_tlbwi)(struct CPUMIPSState *env);
void (*helper_tlbwr)(struct CPUMIPSState *env);
void (*helper_tlbp)(struct CPUMIPSState *env);
@ -126,11 +126,11 @@ struct CPUMIPSTLBContext {
};
int no_mmu_map_address(CPUMIPSState *env, hwaddr *physical, int *prot,
target_ulong address, int rw, int access_type);
target_ulong address, int rw);
int fixed_mmu_map_address(CPUMIPSState *env, hwaddr *physical, int *prot,
target_ulong address, int rw, int access_type);
target_ulong address, int rw);
int r4k_map_address(CPUMIPSState *env, hwaddr *physical, int *prot,
target_ulong address, int rw, int access_type);
target_ulong address, int rw);
void r4k_helper_tlbwi(CPUMIPSState *env);
void r4k_helper_tlbwr(CPUMIPSState *env);
void r4k_helper_tlbp(CPUMIPSState *env);

15
target/mips/tlb_helper.c
View file

@ -39,7 +39,7 @@ enum {
/* no MMU emulation */
int no_mmu_map_address(CPUMIPSState *env, hwaddr *physical, int *prot,
target_ulong address, int rw, int access_type)
target_ulong address, int rw)
{
*physical = address;
*prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
@ -48,7 +48,7 @@ int no_mmu_map_address(CPUMIPSState *env, hwaddr *physical, int *prot,
/* fixed mapping MMU emulation */
int fixed_mmu_map_address(CPUMIPSState *env, hwaddr *physical, int *prot,
target_ulong address, int rw, int access_type)
target_ulong address, int rw)
{
if (address <= (int32_t)0x7FFFFFFFUL) {
if (!(env->CP0_Status & (1 << CP0St_ERL))) {
@ -68,7 +68,7 @@ int fixed_mmu_map_address(CPUMIPSState *env, hwaddr *physical, int *prot,
/* MIPS32/MIPS64 R4000-style MMU emulation */
int r4k_map_address(CPUMIPSState *env, hwaddr *physical, int *prot,
target_ulong address, int rw, int access_type)
target_ulong address, int rw)
{
uint16_t ASID = env->CP0_EntryHi & env->CP0_EntryHi_ASID_mask;
uint32_t MMID = env->CP0_MemoryMapID;
@ -234,8 +234,7 @@ static int get_seg_physical_address(CPUMIPSState *env, hwaddr *physical,
return mapped;
} else if (mapped) {
/* The segment is TLB mapped */
return env->tlb->map_address(env, physical, prot, real_address, rw,
access_type);
return env->tlb->map_address(env, physical, prot, real_address, rw);
} else {
/* The segment is unmapped */
*physical = physical_base | (real_address & segmask);
@ -314,7 +313,7 @@ static int get_physical_address(CPUMIPSState *env, hwaddr *physical,
/* xuseg */
if (UX && address <= (0x3FFFFFFFFFFFFFFFULL & env->SEGMask)) {
ret = env->tlb->map_address(env, physical, prot,
real_address, rw, access_type);
real_address, rw);
} else {
ret = TLBRET_BADADDR;
}
@ -323,7 +322,7 @@ static int get_physical_address(CPUMIPSState *env, hwaddr *physical,
if ((supervisor_mode || kernel_mode) &&
SX && address <= (0x7FFFFFFFFFFFFFFFULL & env->SEGMask)) {
ret = env->tlb->map_address(env, physical, prot,
real_address, rw, access_type);
real_address, rw);
} else {
ret = TLBRET_BADADDR;
}
@ -364,7 +363,7 @@ static int get_physical_address(CPUMIPSState *env, hwaddr *physical,
if (kernel_mode && KX &&
address <= (0xFFFFFFFF7FFFFFFFULL & env->SEGMask)) {
ret = env->tlb->map_address(env, physical, prot,
real_address, rw, access_type);
real_address, rw);
} else {
ret = TLBRET_BADADDR;
}