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From: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PULL 4/6] target-tricore: add context managment trap generation
Date: Thu, 25 Feb 2016 13:06:11 +0100	[thread overview]
Message-ID: <1456401973-29673-5-git-send-email-kbastian@mail.uni-paderborn.de> (raw)
In-Reply-To: <1456401973-29673-1-git-send-email-kbastian@mail.uni-paderborn.de>

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-Id: <1455889426-1923-3-git-send-email-kbastian@mail.uni-paderborn.de>
---
 target-tricore/op_helper.c | 33 ++++++++++++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/target-tricore/op_helper.c b/target-tricore/op_helper.c
index 665bb95..55f6724 100644
--- a/target-tricore/op_helper.c
+++ b/target-tricore/op_helper.c
@@ -102,6 +102,12 @@ void helper_raise_exception_sync(CPUTriCoreState *env, uint32_t class,
     raise_exception_sync_internal(env, class, tin, 0, 0);
 }
 
+static void raise_exception_sync_helper(CPUTriCoreState *env, uint32_t class,
+                                        uint32_t tin, uintptr_t pc)
+{
+    raise_exception_sync_internal(env, class, tin, pc, 0);
+}
+
 /* Addressing mode helper */
 
 static uint16_t reverse16(uint16_t val)
@@ -2450,11 +2456,13 @@ void helper_call(CPUTriCoreState *env, uint32_t next_pc)
     /* if (FCX == 0) trap(FCU); */
     if (env->FCX == 0) {
         /* FCU trap */
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC());
     }
     /* if (PSW.CDE) then if (cdc_increment()) then trap(CDO); */
     if (psw & MASK_PSW_CDE) {
         if (cdc_increment(&psw)) {
             /* CDO trap */
+            raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CDO, GETPC());
         }
     }
     /* PSW.CDE = 1;*/
@@ -2490,6 +2498,7 @@ void helper_call(CPUTriCoreState *env, uint32_t next_pc)
     /* if (tmp_FCX == LCX) trap(FCD);*/
     if (tmp_FCX == env->LCX) {
         /* FCD trap */
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC());
     }
     psw_write(env, psw);
 }
@@ -2502,18 +2511,25 @@ void helper_ret(CPUTriCoreState *env)
 
     psw = psw_read(env);
      /* if (PSW.CDE) then if (cdc_decrement()) then trap(CDU);*/
-    if (env->PSW & MASK_PSW_CDE) {
-        if (cdc_decrement(&(env->PSW))) {
+    if (psw & MASK_PSW_CDE) {
+        if (cdc_decrement(&psw)) {
             /* CDU trap */
+            psw_write(env, psw);
+            raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CDU, GETPC());
         }
     }
     /*   if (PCXI[19: 0] == 0) then trap(CSU); */
     if ((env->PCXI & 0xfffff) == 0) {
         /* CSU trap */
+        psw_write(env, psw);
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC());
     }
     /* if (PCXI.UL == 0) then trap(CTYP); */
     if ((env->PCXI & MASK_PCXI_UL) == 0) {
         /* CTYP trap */
+        cdc_increment(&psw); /* restore to the start of helper */
+        psw_write(env, psw);
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC());
     }
     /* PC = {A11 [31: 1], 1’b0}; */
     env->PC = env->gpr_a[11] & 0xfffffffe;
@@ -2548,6 +2564,7 @@ void helper_bisr(CPUTriCoreState *env, uint32_t const9)
 
     if (env->FCX == 0) {
         /* FCU trap */
+       raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC());
     }
 
     tmp_FCX = env->FCX;
@@ -2579,6 +2596,7 @@ void helper_bisr(CPUTriCoreState *env, uint32_t const9)
 
     if (tmp_FCX == env->LCX) {
         /* FCD trap */
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC());
     }
 }
 
@@ -2590,14 +2608,17 @@ void helper_rfe(CPUTriCoreState *env)
     /* if (PCXI[19: 0] == 0) then trap(CSU); */
     if ((env->PCXI & 0xfffff) == 0) {
         /* raise csu trap */
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC());
     }
     /* if (PCXI.UL == 0) then trap(CTYP); */
     if ((env->PCXI & MASK_PCXI_UL) == 0) {
         /* raise CTYP trap */
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC());
     }
     /* if (!cdc_zero() AND PSW.CDE) then trap(NEST); */
     if (!cdc_zero(&(env->PSW)) && (env->PSW & MASK_PSW_CDE)) {
-        /* raise MNG trap */
+        /* raise NEST trap */
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_NEST, GETPC());
     }
     env->PC = env->gpr_a[11] & ~0x1;
     /* ICR.IE = PCXI.PIE; */
@@ -2673,6 +2694,7 @@ void helper_svlcx(CPUTriCoreState *env)
 
     if (env->FCX == 0) {
         /* FCU trap */
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC());
     }
     /* tmp_FCX = FCX; */
     tmp_FCX = env->FCX;
@@ -2703,6 +2725,7 @@ void helper_svlcx(CPUTriCoreState *env)
     /* if (tmp_FCX == LCX) trap(FCD);*/
     if (tmp_FCX == env->LCX) {
         /* FCD trap */
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC());
     }
 }
 
@@ -2714,6 +2737,7 @@ void helper_svucx(CPUTriCoreState *env)
 
     if (env->FCX == 0) {
         /* FCU trap */
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC());
     }
     /* tmp_FCX = FCX; */
     tmp_FCX = env->FCX;
@@ -2744,6 +2768,7 @@ void helper_svucx(CPUTriCoreState *env)
     /* if (tmp_FCX == LCX) trap(FCD);*/
     if (tmp_FCX == env->LCX) {
         /* FCD trap */
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC());
     }
 }
 
@@ -2754,10 +2779,12 @@ void helper_rslcx(CPUTriCoreState *env)
     /*   if (PCXI[19: 0] == 0) then trap(CSU); */
     if ((env->PCXI & 0xfffff) == 0) {
         /* CSU trap */
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC());
     }
     /* if (PCXI.UL == 1) then trap(CTYP); */
     if ((env->PCXI & MASK_PCXI_UL) != 0) {
         /* CTYP trap */
+        raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC());
     }
     /* EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0}; */
     ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) +
-- 
2.7.1

  parent reply	other threads:[~2016-02-25 12:06 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-25 12:06 [Qemu-devel] [PULL 0/6] tricore patches Bastian Koppelmann
2016-02-25 12:06 ` [Qemu-devel] [PULL 1/6] target-tricore: fix save_context_upper using env->PSW Bastian Koppelmann
2016-02-25 12:06 ` [Qemu-devel] [PULL 2/6] target-tricore: Fix wrong precedences on psw_write Bastian Koppelmann
2016-02-25 12:06 ` [Qemu-devel] [PULL 3/6] target-tricore: Add trap handling & SOVF/OVF traps Bastian Koppelmann
2016-02-25 12:06 ` Bastian Koppelmann [this message]
2016-02-25 12:06 ` [Qemu-devel] [PULL 5/6] target-tricore: add illegal opcode trap generation Bastian Koppelmann
2016-02-25 12:06 ` [Qemu-devel] [PULL 6/6] target-tricore: add opd " Bastian Koppelmann
2016-02-25 14:56 ` [Qemu-devel] [PULL 0/6] tricore patches Peter Maydell

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