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From: Alice Hennessy <ahennessy@mvista.com>
To: linux-mips@oss.sgi.com
Cc: ahennessy@mvista.com
Subject: R3000 and kgdb
Date: Wed, 18 Jul 2001 19:58:47 -0700	[thread overview]
Message-ID: <3B564CE7.2CF85A65@mvista.com> (raw)

Has anyone used kgdb with an R3000 cpu?   There was an obvious problem
in
gdb-low.S (patch below) but I still cannot get kgdb to work.

Alice



--- arch/mips/kernel/gdb-low.S.orig     Wed Jul 18 18:47:57 2001
+++ arch/mips/kernel/gdb-low.S  Wed Jul 18 17:52:21 2001
@@ -302,11 +302,18 @@
                lw      v1,GDB_FR_REG3(sp)
                lw      v0,GDB_FR_REG2(sp)
                lw      $1,GDB_FR_REG1(sp)
+#if defined(CONFIG_CPU_R3000)
+                lw      k0, GDB_FR_EPC(sp)
+                lw      sp,GDB_FR_REG29(sp)             /* Deallocate
stack */
+                jr      k0
+                rfe
+#else
                lw      sp,GDB_FR_REG29(sp)             /* Deallocate
stack */

                .set    mips3
                eret
                .set    mips0
+#endif
                .set    at
                .set    reorder
                END(trap_low)

             reply	other threads:[~2001-07-19  2:55 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-07-19  2:58 Alice Hennessy [this message]
2001-07-19 10:35 ` R3000 and kgdb Ralf Baechle

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