Changeset ebb1489 in mainline for kernel/arch/mips32/src/start.S

Timestamp:

2024-10-13T08:23:40Z (13 months ago)

Author:

GitHub <noreply@…>

Parents:

2a0c827c (diff), b3b79981 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

git-author:

boba-buba <120932204+boba-buba@…> (2024-10-13 08:23:40)

git-committer:

GitHub <noreply@…> (2024-10-13 08:23:40)

Message:

Merge branch 'HelenOS:master' into topic/packet-capture

File:

• kernel/arch/mips32/src/start.S (modified) (1 diff)

kernel/arch/mips32/src/start.S

@@ -339 +339 @@
 FUNCTION_BEGIN(userspace_asm)
         move $sp, $a0
-        move $v0, $a1
-        move $t9, $a2      /* set up correct entry into PIC code */
-        xor $a0, $a0, $a0  /* $a0 is defined to hold pcb_ptr */
-                           /* set it to 0 */
+        xor $a0, $a0, $a0  /* $a0 is defined to hold pcb_ptr, set it to 0 */
+        xor $fp, $fp, $fp  // FIXME: wipe all userspace-accessible registers
+        xor $ra, $ra, $ra
         eret
 FUNCTION_END(userspace_asm)