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target/tricore: Implement privilege level for all insns 

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-Id: <20230621142302.1648383-7-kbastian@mail.uni-paderborn.de>
This commit is contained in:
Bastian Koppelmann 2023-06-21 16:23:00 +02:00
parent 878d1b6a90
commit 57b9c589b6
1 changed files with 33 additions and 10 deletions
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43
target/tricore/translate.c
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@ -388,7 +388,7 @@ static inline void gen_mtcr(DisasContext *ctx, TCGv r1,
}
}
} else {
/* generate privilege trap */
generate_trap(ctx, TRAPC_PROT, TIN1_PRIV);
}
}
@ -3375,7 +3375,11 @@ static void decode_sc_opc(DisasContext *ctx, int op1)
tcg_gen_andi_tl(cpu_gpr_d[15], cpu_gpr_d[15], const16);
break;
case OPC1_16_SC_BISR:
gen_helper_1arg(bisr, const16 & 0xff);
if (ctx->priv == TRICORE_PRIV_SM) {
gen_helper_1arg(bisr, const16 & 0xff);
} else {
generate_trap(ctx, TRAPC_PROT, TIN1_PRIV);
}
break;
case OPC1_16_SC_LD_A:
gen_offset_ld(ctx, cpu_gpr_a[15], cpu_gpr_a[10], const16 * 4, MO_LESL);
@ -5236,7 +5240,11 @@ static void decode_rc_serviceroutine(DisasContext *ctx)
switch (op2) {
case OPC2_32_RC_BISR:
gen_helper_1arg(bisr, const9);
if (ctx->priv == TRICORE_PRIV_SM) {
gen_helper_1arg(bisr, const9);
} else {
generate_trap(ctx, TRAPC_PROT, TIN1_PRIV);
}
break;
case OPC2_32_RC_SYSCALL:
generate_trap(ctx, TRAPC_SYSCALL, const9 & 0xff);
@ -7890,20 +7898,33 @@ static void decode_sys_interrupts(DisasContext *ctx)
/* raise EXCP_DEBUG */
break;
case OPC2_32_SYS_DISABLE:
tcg_gen_andi_tl(cpu_ICR, cpu_ICR, ~ctx->icr_ie_mask);
if (ctx->priv == TRICORE_PRIV_SM || ctx->priv == TRICORE_PRIV_UM1) {
tcg_gen_andi_tl(cpu_ICR, cpu_ICR, ~ctx->icr_ie_mask);
} else {
generate_trap(ctx, TRAPC_PROT, TIN1_PRIV);
}
break;
case OPC2_32_SYS_DISABLE_D:
if (has_feature(ctx, TRICORE_FEATURE_16)) {
tcg_gen_extract_tl(cpu_gpr_d[r1], cpu_ICR, ctx->icr_ie_offset, 1);
tcg_gen_andi_tl(cpu_ICR, cpu_ICR, ~ctx->icr_ie_mask);
if (ctx->priv == TRICORE_PRIV_SM || ctx->priv == TRICORE_PRIV_UM1) {
tcg_gen_extract_tl(cpu_gpr_d[r1], cpu_ICR,
ctx->icr_ie_offset, 1);
tcg_gen_andi_tl(cpu_ICR, cpu_ICR, ~ctx->icr_ie_mask);
} else {
generate_trap(ctx, TRAPC_PROT, TIN1_PRIV);
}
} else {
generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC);
}
case OPC2_32_SYS_DSYNC:
break;
case OPC2_32_SYS_ENABLE:
tcg_gen_ori_tl(cpu_ICR, cpu_ICR, ctx->icr_ie_mask);
ctx->base.is_jmp = DISAS_EXIT_UPDATE;
if (ctx->priv == TRICORE_PRIV_SM || ctx->priv == TRICORE_PRIV_UM1) {
tcg_gen_ori_tl(cpu_ICR, cpu_ICR, ctx->icr_ie_mask);
ctx->base.is_jmp = DISAS_EXIT_UPDATE;
} else {
generate_trap(ctx, TRAPC_PROT, TIN1_PRIV);
}
break;
case OPC2_32_SYS_ISYNC:
break;
@ -7931,7 +7952,7 @@ static void decode_sys_interrupts(DisasContext *ctx)
gen_set_label(l1);
ctx->base.is_jmp = DISAS_EXIT;
} else {
/* generate privilege trap */
generate_trap(ctx, TRAPC_PROT, TIN1_PRIV);
}
break;
case OPC2_32_SYS_RSLCX:
@ -7944,7 +7965,9 @@ static void decode_sys_interrupts(DisasContext *ctx)
if (has_feature(ctx, TRICORE_FEATURE_16)) {
if (ctx->priv == TRICORE_PRIV_SM || ctx->priv == TRICORE_PRIV_UM1) {
tcg_gen_deposit_tl(cpu_ICR, cpu_ICR, cpu_gpr_d[r1], 8, 1);
} /* else raise privilege trap */
} else {
generate_trap(ctx, TRAPC_PROT, TIN1_PRIV);
}
} else {
generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC);
}