X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fqemu%2Fq-reset.c;fp=arch%2Fmips%2Fqemu%2Fq-reset.c;h=dbbe44ad7e890390ba4fae79c5502133ba293147;hb=f05f9504c50ed069377d37f02f22e7a16b5921de;hp=0000000000000000000000000000000000000000;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git

diff --git a/arch/mips/qemu/q-reset.c b/arch/mips/qemu/q-reset.c
new file mode 100644
index 000000000..dbbe44ad7
--- /dev/null
+++ b/arch/mips/qemu/q-reset.c
@@ -0,0 +1,33 @@
+
+#include <asm/io.h>
+#include <asm/reboot.h>
+#include <asm/cacheflush.h>
+#include <asm/qemu.h>
+
+static void qemu_machine_restart(char *command)
+{
+	volatile unsigned int *reg = (unsigned int *)QEMU_RESTART_REG;
+
+	set_c0_status(ST0_BEV | ST0_ERL);
+	change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
+	flush_cache_all();
+	write_c0_wired(0);
+	*reg = 42;
+	while (1)
+		cpu_wait();
+}
+
+static void qemu_machine_halt(void)
+{
+	volatile unsigned int *reg = (unsigned int *)QEMU_HALT_REG;
+
+	*reg = 42;
+	while (1)
+		cpu_wait();
+}
+
+void qemu_reboot_setup(void)
+{
+	_machine_restart = qemu_machine_restart;
+	_machine_halt = qemu_machine_halt;
+}