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authorBastian Koppelmann <kbastian@mail.uni-paderborn.de>2015-05-07 21:25:42 +0200
committerBastian Koppelmann <kbastian@mail.uni-paderborn.de>2015-05-22 17:02:34 +0200
commitbc3551c43308dd77bc1cc9a4e39962b2afd4dffc (patch)
treec28068a87ee64f3c82e60b992ccbc54b57e97ecd /target-tricore
parente5c96c82bc529674b61eacd221734abc2674e264 (diff)
target-tricore: add SYS_RESTORE instruction of the v1.6 ISA
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Reviewed-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-tricore')
-rw-r--r--target-tricore/translate.c10
-rw-r--r--target-tricore/tricore-opcodes.h1
2 files changed, 11 insertions, 0 deletions
diff --git a/target-tricore/translate.c b/target-tricore/translate.c
index 52f474ba9f..4aea0c632a 100644
--- a/target-tricore/translate.c
+++ b/target-tricore/translate.c
@@ -7792,10 +7792,12 @@ static void decode_rrrw_extract_insert(CPUTriCoreState *env, DisasContext *ctx)
static void decode_sys_interrupts(CPUTriCoreState *env, DisasContext *ctx)
{
uint32_t op2;
+ uint32_t r1;
TCGLabel *l1;
TCGv tmp;
op2 = MASK_OP_SYS_OP2(ctx->opcode);
+ r1 = MASK_OP_SYS_S1D(ctx->opcode);
switch (op2) {
case OPC2_32_SYS_DEBUG:
@@ -7844,6 +7846,14 @@ static void decode_sys_interrupts(CPUTriCoreState *env, DisasContext *ctx)
case OPC2_32_SYS_SVLCX:
gen_helper_svlcx(cpu_env);
break;
+ case OPC2_32_SYS_RESTORE:
+ if (tricore_feature(env, TRICORE_FEATURE_16)) {
+ if ((ctx->hflags & TRICORE_HFLAG_KUU) == TRICORE_HFLAG_SM ||
+ (ctx->hflags & TRICORE_HFLAG_KUU) == TRICORE_HFLAG_UM1) {
+ tcg_gen_deposit_tl(cpu_ICR, cpu_ICR, cpu_gpr_d[r1], 8, 1);
+ } /* else raise privilege trap */
+ } /* else raise illegal opcode trap */
+ break;
case OPC2_32_SYS_TRAPSV:
/* TODO: raise sticky overflow trap */
break;
diff --git a/target-tricore/tricore-opcodes.h b/target-tricore/tricore-opcodes.h
index 440c7fefed..d1506a9429 100644
--- a/target-tricore/tricore-opcodes.h
+++ b/target-tricore/tricore-opcodes.h
@@ -1434,4 +1434,5 @@ enum {
OPC2_32_SYS_SVLCX = 0x08,
OPC2_32_SYS_TRAPSV = 0x15,
OPC2_32_SYS_TRAPV = 0x14,
+ OPC2_32_SYS_RESTORE = 0x0e,
};