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[Qemu-devel] [6210] CRIS: Implement set_thread_area for CRIS.
From: |
Edgar E. Iglesias |
Subject: |
[Qemu-devel] [6210] CRIS: Implement set_thread_area for CRIS. |
Date: |
Wed, 07 Jan 2009 14:19:39 +0000 |
Revision: 6210
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6210
Author: edgar_igl
Date: 2009-01-07 14:19:38 +0000 (Wed, 07 Jan 2009)
Log Message:
-----------
CRIS: Implement set_thread_area for CRIS.
Signed-off-by: Edgar E. Iglesias <address@hidden>
Modified Paths:
--------------
trunk/linux-user/syscall.c
trunk/target-cris/cpu.h
trunk/tests/cris/Makefile
Added Paths:
-----------
trunk/tests/cris/check_settls1.c
Modified: trunk/linux-user/syscall.c
===================================================================
--- trunk/linux-user/syscall.c 2009-01-07 14:00:33 UTC (rev 6209)
+++ trunk/linux-user/syscall.c 2009-01-07 14:19:38 UTC (rev 6210)
@@ -5912,6 +5912,14 @@
((CPUMIPSState *) cpu_env)->tls_value = arg1;
ret = 0;
break;
+#elif defined(TARGET_CRIS)
+ if (arg1 & 0xff)
+ ret = -TARGET_EINVAL;
+ else {
+ ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
+ ret = 0;
+ }
+ break;
#elif defined(TARGET_I386) && defined(TARGET_ABI32)
ret = do_set_thread_area(cpu_env, arg1);
break;
Modified: trunk/target-cris/cpu.h
===================================================================
--- trunk/target-cris/cpu.h 2009-01-07 14:00:33 UTC (rev 6209)
+++ trunk/target-cris/cpu.h 2009-01-07 14:19:38 UTC (rev 6210)
@@ -225,6 +225,11 @@
}
#endif
+static inline void cpu_set_tls(CPUCRISState *env, target_ulong newtls)
+{
+ env->pregs[PR_PID] = (env->pregs[PR_PID] & 0xff) | newtls;
+}
+
/* Support function regs. */
#define SFR_RW_GC_CFG 0][0
#define SFR_RW_MM_CFG env->pregs[PR_SRS]][0
Modified: trunk/tests/cris/Makefile
===================================================================
--- trunk/tests/cris/Makefile 2009-01-07 14:00:33 UTC (rev 6209)
+++ trunk/tests/cris/Makefile 2009-01-07 14:19:38 UTC (rev 6210)
@@ -117,8 +117,8 @@
TESTCASES += check_sigalrm.ctst
TESTCASES += check_time1.ctst
TESTCASES += check_time2.ctst
+TESTCASES += check_settls1.ctst
-
TESTCASES += check_gcctorture_pr28634-1.ctst
#TESTCASES += check_gcctorture_pr28634.ctst
Added: trunk/tests/cris/check_settls1.c
===================================================================
--- trunk/tests/cris/check_settls1.c (rev 0)
+++ trunk/tests/cris/check_settls1.c 2009-01-07 14:19:38 UTC (rev 6210)
@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include <sys/syscall.h>
+
+#ifndef SYS_set_thread_area
+#define SYS_set_thread_area 243
+#endif
+
+int main (void)
+{
+ unsigned long tp;
+ int ret;
+
+ ret = syscall (SYS_set_thread_area, 0xf0);
+ if (ret != -1 || errno != EINVAL) {
+ perror ("Invalid thread area accepted:");
+ abort();
+ }
+
+ ret = syscall (SYS_set_thread_area, 0xeddeed00);
+ if (ret != 0) {
+ perror ("Valid thread area not accepted: ");
+ abort ();
+ }
+
+ asm ("move $pid,%0" : "=r" (tp));
+ tp &= ~0xff;
+
+ if (tp != 0xeddeed00) {
+ perror ("tls2");
+ abort ();
+ }
+
+ printf ("pass\n");
+ return EXIT_SUCCESS;
+}
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