Changeset 615e83d in mainline for uspace/lib/c/arch/sparc64/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/sparc64/src/fibril.S (modified) (3 diffs)

uspace/lib/c/arch/sparc64/src/fibril.S

@@ -32 +32 @@
 .text
 
-FUNCTION_BEGIN(context_save)
+FUNCTION_BEGIN(setjmp)
         #
         # We rely on the kernel to flush our active register windows to memory
@@ -57 +57 @@
         stx %g7, [%o0 + CONTEXT_OFFSET_TP]
         retl
-        mov 1, %o0              ! context_save_arch returns 1
-FUNCTION_END(context_save)
+        mov 0, %o0              ! setjmp returns 0
+FUNCTION_END(setjmp)
 
-FUNCTION_BEGIN(context_restore)
+FUNCTION_BEGIN(__longjmp)
         #
         # Flush all active windows.
@@ -89 +89 @@
         ldx [%o0 + CONTEXT_OFFSET_TP], %g7
         retl
-        xor %o0, %o0, %o0       ! context_restore_arch returns 0
-FUNCTION_END(context_restore)
+        mov %o1, %o0    ! __longjmp returns second argument
+FUNCTION_END(__longjmp)