Changeset c98e6ee in mainline for uspace/lib/libc/arch/mips32/src/entry.s

Timestamp:

2008-07-08T16:05:45Z (17 years ago)

Author:

Jiri Svoboda <jirik.svoboda@…>

Branches:

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

Children:

f93f168

Parents:

b7f9087

Message:

Merge program-loader related stuff from dynload branch to trunk. (huge)

File:

• uspace/lib/libc/arch/mips32/src/entry.s (modified) (3 diffs)

uspace/lib/libc/arch/mips32/src/entry.s

@@ -36 +36 @@
 ## User-space task entry point
 #
+# $a0 ($4) contains the PCB pointer
 #
 .ent __entry
@@ -41 +42 @@
         .frame $sp, 32, $31
         .cpload $25
-        
-        
+
         # Mips o32 may store its arguments on stack, make space (16 bytes),
         # so that it could work with -O0
@@ -49 +49 @@
         addiu $sp, -32
         .cprestore 16   # Allow PIC code
-        
+
+        # Pass pcb_ptr to __main() as the first argument. pcb_ptr is already
+        # in $a0. As the first argument is passed in $a0, no operation
+        # is needed.
+
         jal __main
-        nop
-        
-        jal main
         nop