Changeset 615e83d in mainline for uspace/lib/c/arch/mips32/src/fibril.S

Timestamp:

2018-03-08T18:25:31Z (7 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Children:

55f068c

Parents:

e0a4686

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2018-03-08 17:43:06)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2018-03-08 18:25:31)

Message:

Turn context_save/context_restore into standard setjmp/longjmp.

File:

• uspace/lib/c/arch/mips32/src/fibril.S (modified) (3 diffs)

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

@@ -35 +35 @@
 #include <libarch/fibril_context.h>
 
-FUNCTION_BEGIN(context_save)
+FUNCTION_BEGIN(setjmp)
         sw $s0, CONTEXT_OFFSET_S0($a0)
         sw $s1, CONTEXT_OFFSET_S1($a0)
@@ -87 +87 @@
         sw $sp, CONTEXT_OFFSET_SP($a0)
 
-        # context_save returns 1
+        # setjmp returns 0
         j $ra
-        li $v0, 1
-FUNCTION_END(context_save)
+        li $v0, 0
+FUNCTION_END(setjmp)
 
-FUNCTION_BEGIN(context_restore)
+FUNCTION_BEGIN(__longjmp)
         lw $s0, CONTEXT_OFFSET_S0($a0)
         lw $s1, CONTEXT_OFFSET_S1($a0)
@@ -147 +147 @@
         move $t9, $ra
 
-        # context_restore returns 0
+        # __longjmp returns second argument
         j $ra
-        xor $v0, $v0
-FUNCTION_END(context_restore)
+        move $v0, $a1
+FUNCTION_END(__longjmp)