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target/ppc: Remove id_tlbs flag from CPU env

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This flag for split instruction/data TLBs is only set for 6xx soft TLB
MMU model and not used otherwise so no need to have a separate flag
for that.

Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
This commit is contained in:
BALATON Zoltan 2024-05-13 01:28:02 +02:00 • committed by Nicholas Piggin
parent 306b532030
commit 5fd257f599
6 changed files with 14 additions and 35 deletions
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19
target/ppc/cpu_init.c
View file

@ -2137,7 +2137,6 @@ static void init_proc_405(CPUPPCState *env)
#if !defined(CONFIG_USER_ONLY)
env->nb_tlb = 64;
env->nb_ways = 1;
env->id_tlbs = 0;
env->tlb_type = TLB_EMB;
#endif
init_excp_4xx(env);
@ -2211,7 +2210,6 @@ static void init_proc_440EP(CPUPPCState *env)
#if !defined(CONFIG_USER_ONLY)
env->nb_tlb = 64;
env->nb_ways = 1;
env->id_tlbs = 0;
env->tlb_type = TLB_EMB;
#endif
init_excp_BookE(env);
@ -2311,7 +2309,6 @@ static void init_proc_440GP(CPUPPCState *env)
#if !defined(CONFIG_USER_ONLY)
env->nb_tlb = 64;
env->nb_ways = 1;
env->id_tlbs = 0;
env->tlb_type = TLB_EMB;
#endif
init_excp_BookE(env);
@ -2386,7 +2383,6 @@ static void init_proc_440x5(CPUPPCState *env)
#if !defined(CONFIG_USER_ONLY)
env->nb_tlb = 64;
env->nb_ways = 1;
env->id_tlbs = 0;
env->tlb_type = TLB_EMB;
#endif
init_excp_BookE(env);
@ -2754,7 +2750,6 @@ static void init_proc_e200(CPUPPCState *env)
#if !defined(CONFIG_USER_ONLY)
env->nb_tlb = 64;
env->nb_ways = 1;
env->id_tlbs = 0;
env->tlb_type = TLB_EMB;
#endif
init_excp_e200(env, 0xFFFF0000UL);
@ -2874,7 +2869,6 @@ static void init_proc_e500(CPUPPCState *env, int version)
/* Memory management */
env->nb_pids = 3;
env->nb_ways = 2;
env->id_tlbs = 0;
switch (version) {
case fsl_e500v1:
tlbncfg[0] = register_tlbncfg(2, 1, 1, 0, 256);
@ -6927,20 +6921,17 @@ static void init_ppc_proc(PowerPCCPU *cpu)
}
/* Allocate TLBs buffer when needed */
#if !defined(CONFIG_USER_ONLY)
if (env->nb_tlb != 0) {
int nb_tlb = env->nb_tlb;
if (env->id_tlbs != 0) {
nb_tlb *= 2;
}
if (env->nb_tlb) {
switch (env->tlb_type) {
case TLB_6XX:
env->tlb.tlb6 = g_new0(ppc6xx_tlb_t, nb_tlb);
/* 6xx has separate TLBs for instructions and data hence times 2 */
env->tlb.tlb6 = g_new0(ppc6xx_tlb_t, 2 * env->nb_tlb);
break;
case TLB_EMB:
env->tlb.tlbe = g_new0(ppcemb_tlb_t, nb_tlb);
env->tlb.tlbe = g_new0(ppcemb_tlb_t, env->nb_tlb);
break;
case TLB_MAS:
env->tlb.tlbm = g_new0(ppcmas_tlb_t, nb_tlb);
env->tlb.tlbm = g_new0(ppcmas_tlb_t, env->nb_tlb);
break;
}
/* Pre-compute some useful values */