From 18571208068d5fe2f0bf7b4e980525a7f577c503 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Wed, 30 Dec 2020 07:18:30 -0500
Subject: libthread: simplify

Now that everything uses pthreads and pthreadperthread,
can delete various conditionals, all the custom context code,
and so on. Also update documents.

Fixes #355.
---
 src/libthread/OpenBSD-power-asm.S | 73 ---------------------------------------
 1 file changed, 73 deletions(-)
 delete mode 100644 src/libthread/OpenBSD-power-asm.S

(limited to 'src/libthread/OpenBSD-power-asm.S')

diff --git a/src/libthread/OpenBSD-power-asm.S b/src/libthread/OpenBSD-power-asm.S
deleted file mode 100644
index 36035eb5..00000000
--- a/src/libthread/OpenBSD-power-asm.S
+++ /dev/null
@@ -1,73 +0,0 @@
-ENTRY(_getmcontext)				/* xxx: instruction scheduling */
-	mflr	%r0
-	mfcr	%r5
-	mfctr	%r6
-	mfxer	%r7
-	stw	%r0, 0*4(%r3)
-	stw	%r5, 1*4(%r3)
-	stw	%r6, 2*4(%r3)
-	stw	%r7, 3*4(%r3)
-
-	stw	%r1, 4*4(%r3)
-	stw	%r2, 5*4(%r3)
-	li	%r5, 1			/* return value for setmcontext */
-	stw	%r5, 6*4(%r3)
-
-	stw	%r13, (0+7)*4(%r3)	/* callee-save GPRs */
-	stw	%r14, (1+7)*4(%r3)	/* xxx: block move */
-	stw	%r15, (2+7)*4(%r3)
-	stw	%r16, (3+7)*4(%r3)
-	stw	%r17, (4+7)*4(%r3)
-	stw	%r18, (5+7)*4(%r3)
-	stw	%r19, (6+7)*4(%r3)
-	stw	%r20, (7+7)*4(%r3)
-	stw	%r21, (8+7)*4(%r3)
-	stw	%r22, (9+7)*4(%r3)
-	stw	%r23, (10+7)*4(%r3)
-	stw	%r24, (11+7)*4(%r3)
-	stw	%r25, (12+7)*4(%r3)
-	stw	%r26, (13+7)*4(%r3)
-	stw	%r27, (14+7)*4(%r3)
-	stw	%r28, (15+7)*4(%r3)
-	stw	%r29, (16+7)*4(%r3)
-	stw	%r30, (17+7)*4(%r3)
-	stw	%r31, (18+7)*4(%r3)
-
-	li	%r3, 0			/* return */
-	blr
-
-ENTRY(_setmcontext)
-	lwz	%r13, (0+7)*4(%r3)	/* callee-save GPRs */
-	lwz	%r14, (1+7)*4(%r3)	/* xxx: block move */
-	lwz	%r15, (2+7)*4(%r3)
-	lwz	%r16, (3+7)*4(%r3)
-	lwz	%r17, (4+7)*4(%r3)
-	lwz	%r18, (5+7)*4(%r3)
-	lwz	%r19, (6+7)*4(%r3)
-	lwz	%r20, (7+7)*4(%r3)
-	lwz	%r21, (8+7)*4(%r3)
-	lwz	%r22, (9+7)*4(%r3)
-	lwz	%r23, (10+7)*4(%r3)
-	lwz	%r24, (11+7)*4(%r3)
-	lwz	%r25, (12+7)*4(%r3)
-	lwz	%r26, (13+7)*4(%r3)
-	lwz	%r27, (14+7)*4(%r3)
-	lwz	%r28, (15+7)*4(%r3)
-	lwz	%r29, (16+7)*4(%r3)
-	lwz	%r30, (17+7)*4(%r3)
-	lwz	%r31, (18+7)*4(%r3)
-
-	lwz	%r1, 4*4(%r3)
-	lwz	%r2, 5*4(%r3)
-
-	lwz	%r0, 0*4(%r3)
-	mtlr	%r0
-	lwz	%r0, 1*4(%r3)
-	mtcr	%r0			/* mtcrf 0xFF, %r0 */
-	lwz	%r0, 2*4(%r3)
-	mtctr	%r0
-	lwz	%r0, 3*4(%r3)
-	mtxer	%r0
-
-	lwz	%r3,	6*4(%r3)
-	blr
-- 
cgit v1.2.3