Module Name: src
Committed By: nisimura
Date: Wed Aug 16 22:49:05 UTC 2017
Modified Files:
src/sys/arch/aarch64/aarch64: locore.S
Log Message:
add cpu_set_onfault glue
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/aarch64/aarch64/locore.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/aarch64/aarch64/locore.S
diff -u src/sys/arch/aarch64/aarch64/locore.S:1.1 src/sys/arch/aarch64/aarch64/locore.S:1.2
--- src/sys/arch/aarch64/aarch64/locore.S:1.1 Sun Aug 10 05:47:37 2014
+++ src/sys/arch/aarch64/aarch64/locore.S Wed Aug 16 22:49:05 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: locore.S,v 1.1 2014/08/10 05:47:37 matt Exp $ */
+/* $NetBSD: locore.S,v 1.2 2017/08/16 22:49:05 nisimura Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -34,7 +34,10 @@
#include "opt_ddb.h"
-RCSID("$NetBSD: locore.S,v 1.1 2014/08/10 05:47:37 matt Exp $")
+RCSID("$NetBSD: locore.S,v 1.2 2017/08/16 22:49:05 nisimura Exp $")
+
+// XXX:AARCH64
+lr .req x30
/*
* At IPL_SCHED:
@@ -116,6 +119,18 @@ ENTRY_NP(cpu_switchto)
END(cpu_switchto)
/*
+ * x0 = lwp
+ * x1 = ipl
+ */
+ENTRY_NP(cpu_switchto_softint)
+//
+//XXXAARCH64
+//
+ ret
+END(cpu_switchto_softint)
+
+
+/*
* Called at IPL_SCHED
* x0 = old lwp (from cpu_switchto)
* x1 = new lwp (from cpu_switchto)
@@ -190,6 +205,29 @@ ENTRY(cpu_Debugger)
END(cpu_Debugger)
#endif /* DDB */
+/*
+ * int cpu_set_onfault(struct faultbuf *fb, register_t retval)
+ */
+ENTRY(cpu_set_onfault)
+ mov x9, sp
+ stp x19, x20, [x0, #0]
+ stp x21, x22, [x0, #16]
+ stp x23, x24, [x0, #32]
+ stp x25, x26, [x0, #48]
+ stp x27, x28, [x0, #64]
+ stp x29, x9, [x0, #80]
+ stp lr, x1, [x0, #96]
+ mrs x3, tpidr_el1 /* curcpu */
+ ldr x2, [x3, #CI_CURLWP] /* curlwp */
+ str x0, [x2, #L_MD_ONFAULT] /* l_md.md_onfault = fb */
+ mov x0, #0
+END(cpu_set_onfault)
+
+/*
+ * setjmp(9)
+ * int setjmp(label_t *label);
+ * void longjmp(label_t *label);
+ */
ENTRY(setjmp)
stp x19, x20, [x0, #0]
stp x21, x22, [x0, #16]
