Changeset 6d123b3 in mainline for uspace/lib/c/arch/mips32/src/thread_entry.S

Timestamp:

2012-03-13T15:23:11Z (12 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

145d16f

Parents:

df366b5e

Message:

respect the o32 ABI when calling C functions from assembler and creating contexts
(thx Adam Hraska)

File:

• uspace/lib/c/arch/mips32/src/thread_entry.S (moved) (moved from uspace/lib/c/arch/mips64/src/thread_entry.s ) (3 diffs)

uspace/lib/c/arch/mips32/src/thread_entry.S

@@ -27 +27 @@
 #
 
+#include <libarch/stack.h>
+
 .text
 
@@ -40 +42 @@
 .ent __thread_entry
 __thread_entry:
-        .frame $sp, 32, $31
-        .cpload $25
+        .frame $sp, ABI_STACK_FRAME, $ra
+        .cpload $t9
         
         #
         # v0 contains address of uarg.
         #
-        add $4, $2, 0
+        add $a0, $v0, 0
         
-        addiu $sp, -32
+        # Allocate the stack frame.
+        addiu $sp, -ABI_STACK_FRAME
+        
+        # Allow PIC code
         .cprestore 16
         
@@ -57 +62 @@
         # Not reached.
         #
+        addiu $sp, ABI_STACK_FRAME
 .end __thread_entry