[rtems-tools commit] Add QEMU patch for openrisc to recognize halt signals

Joel Sherril joel at rtems.org
Fri Apr 3 20:09:49 UTC 2015


Module:    rtems-tools
Branch:    master
Commit:    b6b784c38b8f86867fdb2b535239d2b5751874a5
Changeset: http://git.rtems.org/rtems-tools/commit/?id=b6b784c38b8f86867fdb2b535239d2b5751874a5

Author:    Hesham ALMatary <heshamelmatary at gmail.com>
Date:      Thu Apr  2 13:16:56 2015 -0500

Add QEMU patch for openrisc to recognize halt signals

---

 ...rminate-qemu-process-upon-receiving-a-hal.patch | 32 ++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/tools/qemu/0001-openrisc-terminate-qemu-process-upon-receiving-a-hal.patch b/tools/qemu/0001-openrisc-terminate-qemu-process-upon-receiving-a-hal.patch
new file mode 100644
index 0000000..952443c
--- /dev/null
+++ b/tools/qemu/0001-openrisc-terminate-qemu-process-upon-receiving-a-hal.patch
@@ -0,0 +1,32 @@
+From 851489a73e99e156baee267d6162e31abfaa66a9 Mon Sep 17 00:00:00 2001
+From: Hesham ALMatary <heshamelmatary at gmail.com>
+Date: Thu, 2 Apr 2015 17:47:25 +0100
+Subject: [PATCH] openrisc: terminate qemu process upon receiving a halt
+ signal.
+
+or1ksim simulator currently handles "l.nop 0xC" instruction as
+a halt signal. Do the same for QEMU.
+
+Signed-off-by: Hesham ALMatary  <heshamelmatary at gmail.com>
+---
+ target-openrisc/translate.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/target-openrisc/translate.c b/target-openrisc/translate.c
+index dc76789..5fa8ede 100644
+--- a/target-openrisc/translate.c
++++ b/target-openrisc/translate.c
+@@ -750,6 +750,11 @@ static void dec_misc(DisasContext *dc, uint32_t insn)
+         switch (op1) {
+         case 0x01:    /* l.nop */
+             LOG_DIS("l.nop %d\n", I16);
++
++            if(I16 == 0xC) {
++                exit(0);
++            }
++
+             break;
+
+         default:
+--
+2.1.0



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