1 files changed, 73 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/h8300/kernel/sys_h8300.c b/ANDROID_3.4.5/arch/h8300/kernel/sys_h8300.c
new file mode 100644
index 00000000..aaf5e5a4
--- /dev/null
+++ b/ANDROID_3.4.5/arch/h8300/kernel/sys_h8300.c
@@ -0,0 +1,73 @@
+/*
+ * linux/arch/h8300/kernel/sys_h8300.c
+ *
+ * This file contains various random system calls that
+ * have a non-standard calling sequence on the H8/300
+ * platform.
+ */
+
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/smp.h>
+#include <linux/sem.h>
+#include <linux/msg.h>
+#include <linux/shm.h>
+#include <linux/stat.h>
+#include <linux/syscalls.h>
+#include <linux/mman.h>
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/ipc.h>
+
+#include <asm/setup.h>
+#include <asm/uaccess.h>
+#include <asm/cachectl.h>
+#include <asm/traps.h>
+#include <asm/unistd.h>
+
+/* sys_cacheflush -- no support.  */
+asmlinkage int
+sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len)
+{
+	return -EINVAL;
+}
+
+asmlinkage int sys_getpagesize(void)
+{
+	return PAGE_SIZE;
+}
+
+#if defined(CONFIG_SYSCALL_PRINT)
+asmlinkage void syscall_print(void *dummy,...)
+{
+	struct pt_regs *regs = (struct pt_regs *) ((unsigned char *)&dummy-4);
+	printk("call %06lx:%ld 1:%08lx,2:%08lx,3:%08lx,ret:%08lx\n",
+               ((regs->pc)&0xffffff)-2,regs->orig_er0,regs->er1,regs->er2,regs->er3,regs->er0);
+}
+#endif
+
+/*
+ * Do a system call from kernel instead of calling sys_execve so we
+ * end up with proper pt_regs.
+ */
+int kernel_execve(const char *filename,
+		  const char *const argv[],
+		  const char *const envp[])
+{
+	register long res __asm__("er0");
+	register const char *const *_c __asm__("er3") = envp;
+	register const char *const *_b __asm__("er2") = argv;
+	register const char * _a __asm__("er1") = filename;
+	__asm__ __volatile__ ("mov.l %1,er0\n\t"
+			"trapa	#0\n\t"
+			: "=r" (res)
+			: "g" (__NR_execve),
+			  "g" (_a),
+			  "g" (_b),
+			  "g" (_c)
+			: "cc", "memory");
+	return res;
+}
+
+