[src/trunk]: src/sys/arch/evbsh5/evbsh5 Move the RESVEC vector table/handlers...

To: source-changes-hg%NetBSD.org@localhost
Subject: [src/trunk]: src/sys/arch/evbsh5/evbsh5 Move the RESVEC vector table/handlers...
From: scw <scw%NetBSD.org@localhost>
Date: Fri, 24 Jan 2020 11:56:58 +0000

details:   https://anonhg.NetBSD.org/src/rev/bc0847f57ad9
branches:  trunk
changeset: 536173:bc0847f57ad9
user:      scw <scw%NetBSD.org@localhost>
date:      Tue Sep 10 11:53:14 2002 +0000

description:
Move the RESVEC vector table/handlers to here, since some if it is,
essentially, machine dependent.

diffstat:

 sys/arch/evbsh5/evbsh5/locore.S |  172 +++++++++++++++++++++++++++++++++++++++-
 1 files changed, 171 insertions(+), 1 deletions(-)

diffs (193 lines):

diff -r 38d3fce3a010 -r bc0847f57ad9 sys/arch/evbsh5/evbsh5/locore.S
--- a/sys/arch/evbsh5/evbsh5/locore.S   Tue Sep 10 11:51:01 2002 +0000
+++ b/sys/arch/evbsh5/evbsh5/locore.S   Tue Sep 10 11:53:14 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.S,v 1.4 2002/08/30 11:06:03 scw Exp $   */
+/*     $NetBSD: locore.S,v 1.5 2002/09/10 11:53:14 scw Exp $   */
 
 /*
  * Copyright 2002 Wasabi Systems, Inc.
@@ -111,6 +111,15 @@
        ptabs/l r0, tr0
        blink   tr0, r18
 
+       /*
+        * Arrange to catch panic traps with the mmu off.
+        */
+       LEA(_C_LABEL(sh5_resvec_vector_table), r0)
+       LEA(0x40000000, r1)
+       sub     r0, r1, r0
+       ori     r0, 1, r0
+       putcon  r0, resvec
+
        /* Now safe to call C code */
 
        /*
@@ -185,6 +194,167 @@
 #include <sh5/sh5/sigcode.S>
 #include <sh5/sh5/bus_subr.S>
 
+
+/*===================== Start of RESVEC Vector Table =========================*/
+
+       _TEXT_SECTION
+       .balign 0x10
+
+GLOBAL(sh5_resvec_vector_table)
+
+/******************************************************************************
+ * Reset/Panic Exception Vector.
+ *
+ * RESVEC Offset: 0x0
+ *        Length: 0x100
+ */
+Lsh5_resvec_vector_panic:
+       getcon  usr, r24
+       putcon  r15, kcr1
+       LEA(_C_LABEL(sh5_panic_stack) - (0x40000000-(USPACE-SZ_TRAPFRAME)), r15)
+       st.q    r15, SFO(SF_USR,SZ_TRAPFRAME), r24      /* Save USR */
+       st.q    r15, IFO(IF_R0,SZ_TRAPFRAME), r0        /* Save r0 */
+       st.q    r15, IFO(IF_R1,SZ_TRAPFRAME), r1        /* Save r1 */
+       st.q    r15, IFO(IF_R2,SZ_TRAPFRAME), r2        /* Save r2 */
+       getcon  sr, r1
+       movi    -32768, r0
+       shori   0, r0
+       st.q    r0, 0, r15
+       st.q    r0, 8, r1
+       getcon  kcr1, r0
+       st.q    r15, IFO(IF_R15,SZ_TRAPFRAME), r0       /* Save r15 */
+       gettr   tr0, r0
+       st.q    r15, IFO(IF_TR0,SZ_TRAPFRAME), r0       /* Save tr0 */
+       getcon  pssr, r0
+       st.q    r15, SFO(SF_SSR,SZ_TRAPFRAME), r0       /* Save PSSR */
+       getcon  pspc, r0
+       st.q    r15, SFO(SF_SPC,SZ_TRAPFRAME), r0       /* Save PSPC */
+       getcon  pexpevt, r0
+       st.q    r15, SFO(SF_EXPEVT, SZ_TRAPFRAME), r0   /* Save PEXPEVT */
+       getcon  intevt, r0
+       st.q    r15, SFO(SF_INTEVT, SZ_TRAPFRAME), r0   /* Save INTEVT */
+       getcon  tea, r0
+       st.q    r15, SFO(SF_TEA, SZ_TRAPFRAME), r0      /* Save TEA */
+       getcon  tra, r0
+       st.q    r15, SFO(SF_TRA, SZ_TRAPFRAME), r0      /* Save TRA */
+       movi    0, r2
+       pta/l   Lsh5_event_panic, tr0
+       blink   tr0, r63
+
+       .space  (0x100 - (. - Lsh5_resvec_vector_panic))
+
+
+/******************************************************************************
+ * Debug Synchronous Exception Handler
+ *
+ * RESVEC Offset: 0x100
+ *        Length: 0x100
+ */
+Lsh5_resvec_vector_dbg_general:
+       getcon  usr, r24                /* Stash USR somewhere safe for now */
+       putcon  r15, kcr1
+       LEA(_C_LABEL(sh5_panic_stack) - (0x40000000-(USPACE-SZ_TRAPFRAME)), r15)
+       st.q    r15, SFO(SF_USR,SZ_TRAPFRAME), r24      /* Save USR */
+       st.q    r15, IFO(IF_R0,SZ_TRAPFRAME), r0        /* Save r0 */
+       st.q    r15, IFO(IF_R1,SZ_TRAPFRAME), r1        /* Save r1 */
+       st.q    r15, IFO(IF_R2,SZ_TRAPFRAME), r2        /* Save r2 */
+       getcon  kcr1, r0
+       st.q    r15, IFO(IF_R15,SZ_TRAPFRAME), r0       /* Save r15 */
+       gettr   tr0, r0
+       st.q    r15, IFO(IF_TR0,SZ_TRAPFRAME), r0       /* Save tr0 */
+       getcon  ssr, r0
+       st.q    r15, SFO(SF_SSR,SZ_TRAPFRAME), r0       /* Save SSR */
+       getcon  spc, r0
+       st.q    r15, SFO(SF_SPC,SZ_TRAPFRAME), r0       /* Save SPC */
+       getcon  expevt, r0
+       st.q    r15, SFO(SF_EXPEVT, SZ_TRAPFRAME), r0   /* Save EXPEVT */
+       getcon  intevt, r0
+       st.q    r15, SFO(SF_INTEVT, SZ_TRAPFRAME), r0   /* Save INTEVT */
+       getcon  tea, r0
+       st.q    r15, SFO(SF_TEA, SZ_TRAPFRAME), r0      /* Save TEA */
+       getcon  tra, r0
+       st.q    r15, SFO(SF_TRA, SZ_TRAPFRAME), r0      /* Save TRA */
+       movi    1, r2
+       pta/l   Lsh5_event_panic, tr0
+       blink   tr0, r63
+
+       .space  (0x100 - (. - Lsh5_resvec_vector_dbg_general))
+
+
+/******************************************************************************
+ * Debug Interrupt Handler.
+ *
+ * RESVEC Offset: 0x200
+ *        Length: 0x200
+ */
+Lsh5_resvec_vector_debugint:
+       getcon  usr, r24                /* Stash USR somewhere safe for now */
+       putcon  r15, kcr1
+       LEA(_C_LABEL(sh5_panic_stack) - (0x40000000-(USPACE-SZ_TRAPFRAME)), r15)
+       st.q    r15, SFO(SF_USR,SZ_TRAPFRAME), r24      /* Save USR */
+       st.q    r15, IFO(IF_R0,SZ_TRAPFRAME), r0        /* Save r0 */
+       st.q    r15, IFO(IF_R1,SZ_TRAPFRAME), r1        /* Save r1 */
+       st.q    r15, IFO(IF_R2,SZ_TRAPFRAME), r2        /* Save r2 */
+       getcon  kcr1, r0
+       st.q    r15, IFO(IF_R15,SZ_TRAPFRAME), r0       /* Save r15 */
+       gettr   tr0, r0
+       st.q    r15, IFO(IF_TR0,SZ_TRAPFRAME), r0       /* Save tr0 */
+       getcon  ssr, r0
+       st.q    r15, SFO(SF_SSR,SZ_TRAPFRAME), r0       /* Save SSR */
+       getcon  spc, r0
+       st.q    r15, SFO(SF_SPC,SZ_TRAPFRAME), r0       /* Save SPC */
+       getcon  expevt, r0
+       st.q    r15, SFO(SF_EXPEVT, SZ_TRAPFRAME), r0   /* Save EXPEVT */
+       getcon  intevt, r0
+       st.q    r15, SFO(SF_INTEVT, SZ_TRAPFRAME), r0   /* Save INTEVT */
+       getcon  tea, r0
+       st.q    r15, SFO(SF_TEA, SZ_TRAPFRAME), r0      /* Save TEA */
+       getcon  tra, r0
+       st.q    r15, SFO(SF_TRA, SZ_TRAPFRAME), r0      /* Save TRA */
+       movi    2, r2
+
+
+/******************************************************************************
+ * Continuation of Panic Event.
+ *
+ * Save the remainder of the machine state, re-enable the MMU and head off
+ * into C code to report the problem on the console (if possible), never
+ * to return.
+ */
+Lsh5_event_panic:
+       _INTR_FRAME_SAVE(SZ_TRAPFRAME)
+       _TRAP_FRAME_SAVE(SZ_TRAPFRAME)
+       getcon  ssr, r3         /* Parameters for panic_trap() */
+       getcon  spc, r4
+       getcon  expevt, r5
+       or      r2, r63, r6
+       LDC32(0x01600000, r0)   /* Disable (freeze) the caches */
+       putcfg  r0, 0, r63
+       LDC32(0x01e00000, r0)
+       putcfg  r0, 0, r63
+       LEAF(1f, r0)
+       putcon  r0, spc
+       LDUC32(SH5_CONREG_SR_MD|SH5_CONREG_SR_MMU|SH5_CONREG_SR_IMASK_ALL, r0)
+       putcon  r0, ssr
+       LEA(_C_LABEL(sh5_panic_stack), r15)
+       movi    (USPACE - SZ_TRAPFRAME), r0
+       add     r15, r0, r15
+       synco
+       rte                     /* Re-enable the MMU */
+       nop
+       nop
+       nop
+       nop
+       nop
+1:     LEAF(_C_LABEL(panic_trap), r0)
+       ptabs/l r0, tr0
+       or      r15, r63, r2
+       blink   tr0, r63
+       /*NOTREACHED*/
+
+       .comm   _C_LABEL(sh5_panic_stack),USPACE,16
+
+
 #include "dtfcons.h"
 
 #if NDTFCONS > 0

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