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authorJoseph Myers <joseph@codesourcery.com>2013-10-04 15:55:15 +0000
committerJoseph Myers <joseph@codesourcery.com>2013-10-04 15:55:15 +0000
commitcd78f7e767decd16ea8ddd5a147fa6027858882f (patch)
tree2e0c9f6cba8d8235269b8bc9f803af6ec94f49d5 /ports
parentafee9c1a259f5e3ff56a08624df3b50b3d03f6b1 (diff)
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e500 port: getcontext / setcontext / swapcontext.
Diffstat (limited to 'ports')
-rw-r--r--ports/ChangeLog.powerpc11
-rw-r--r--ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/context-e500.h144
-rw-r--r--ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S2
-rw-r--r--ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S2
-rw-r--r--ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S2
5 files changed, 161 insertions, 0 deletions
diff --git a/ports/ChangeLog.powerpc b/ports/ChangeLog.powerpc
index 375e9566ea..773c2402e3 100644
--- a/ports/ChangeLog.powerpc
+++ b/ports/ChangeLog.powerpc
@@ -1,3 +1,14 @@
+2013-10-04 Joseph Myers <joseph@codesourcery.com>
+
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/context-e500.h:
+ New file.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S:
+ Include <context-e500.h>.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S:
+ Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S:
+ Likewise.
+
2013-08-30 Ondřej Bílka <neleai@seznam.cz>
* sysdeps/powerpc/powerpc32/405/memcpy.S: Fix typos.
diff --git a/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/context-e500.h b/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/context-e500.h
new file mode 100644
index 0000000000..9eb1a95615
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/context-e500.h
@@ -0,0 +1,144 @@
+/* getcontext/setcontext/makecontext support for e500 high parts of registers.
+ Copyright (C) 2006-2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _CONTEXT_E500_H
+#define _CONTEXT_E500_H 1
+
+#if defined __SPE__ || (defined __NO_FPRS__ && !defined _SOFT_FLOAT)
+
+# define __CONTEXT_ENABLE_E500 1
+
+/* We follow the kernel's layout, which saves the high parts of the
+ SPE registers in the vregs area, immediately followed by the ACC
+ value (call-clobbered, not handled here) and the SPEFSCR value. */
+
+.macro getcontext_e500
+ la r10,(_UC_VREGS)(r3)
+ evstwwe r0,(0*4)(r10)
+ evstwwe r1,(1*4)(r10)
+ evstwwe r2,(2*4)(r10)
+ evstwwe r3,(3*4)(r10)
+ evstwwe r4,(4*4)(r10)
+ evstwwe r5,(5*4)(r10)
+ evstwwe r6,(6*4)(r10)
+ evstwwe r7,(7*4)(r10)
+ evstwwe r8,(8*4)(r10)
+ evstwwe r9,(9*4)(r10)
+ evstwwe r10,(10*4)(r10)
+ evstwwe r11,(11*4)(r10)
+ evstwwe r12,(12*4)(r10)
+ evstwwe r13,(13*4)(r10)
+ evstwwe r14,(14*4)(r10)
+ evstwwe r15,(15*4)(r10)
+ evstwwe r16,(16*4)(r10)
+ evstwwe r17,(17*4)(r10)
+ evstwwe r18,(18*4)(r10)
+ evstwwe r19,(19*4)(r10)
+ evstwwe r20,(20*4)(r10)
+ evstwwe r21,(21*4)(r10)
+ evstwwe r22,(22*4)(r10)
+ evstwwe r23,(23*4)(r10)
+ evstwwe r24,(24*4)(r10)
+ evstwwe r25,(25*4)(r10)
+ evstwwe r26,(26*4)(r10)
+ evstwwe r27,(27*4)(r10)
+ evstwwe r28,(28*4)(r10)
+ evstwwe r29,(29*4)(r10)
+ evstwwe r30,(30*4)(r10)
+ evstwwe r31,(31*4)(r10)
+ mfspefscr r9
+ stw r9,(34*4)(r10)
+.endm
+
+.macro setcontext_e500
+ lwz r3,_UC_VREGS+(0*4)(r31)
+ evmergelo r0,r3,r0
+ lwz r3,_UC_VREGS+(1*4)(r31)
+ evmergelo r1,r3,r1
+ lwz r3,_UC_VREGS+(2*4)(r31)
+ evmergelo r2,r3,r2
+ lwz r3,_UC_VREGS+(1*4)(r31)
+ evmergelo r1,r3,r1
+ lwz r3,_UC_VREGS+(2*4)(r31)
+ evmergelo r2,r3,r2
+ lwz r3,_UC_VREGS+(3*4)(r31)
+ evmergelo r3,r3,r3
+ lwz r3,_UC_VREGS+(4*4)(r31)
+ evmergelo r4,r3,r4
+ lwz r3,_UC_VREGS+(5*4)(r31)
+ evmergelo r5,r3,r5
+ lwz r3,_UC_VREGS+(6*4)(r31)
+ evmergelo r6,r3,r6
+ lwz r3,_UC_VREGS+(7*4)(r31)
+ evmergelo r7,r3,r7
+ lwz r3,_UC_VREGS+(8*4)(r31)
+ evmergelo r8,r3,r8
+ lwz r3,_UC_VREGS+(9*4)(r31)
+ evmergelo r9,r3,r9
+ lwz r3,_UC_VREGS+(10*4)(r31)
+ evmergelo r10,r3,r10
+ lwz r3,_UC_VREGS+(11*4)(r31)
+ evmergelo r11,r3,r11
+ lwz r3,_UC_VREGS+(12*4)(r31)
+ evmergelo r12,r3,r12
+ lwz r3,_UC_VREGS+(13*4)(r31)
+ evmergelo r13,r3,r13
+ lwz r3,_UC_VREGS+(14*4)(r31)
+ evmergelo r14,r3,r14
+ lwz r3,_UC_VREGS+(15*4)(r31)
+ evmergelo r15,r3,r15
+ lwz r3,_UC_VREGS+(16*4)(r31)
+ evmergelo r16,r3,r16
+ lwz r3,_UC_VREGS+(17*4)(r31)
+ evmergelo r17,r3,r17
+ lwz r3,_UC_VREGS+(18*4)(r31)
+ evmergelo r18,r3,r18
+ lwz r3,_UC_VREGS+(19*4)(r31)
+ evmergelo r19,r3,r19
+ lwz r3,_UC_VREGS+(20*4)(r31)
+ evmergelo r20,r3,r20
+ lwz r3,_UC_VREGS+(21*4)(r31)
+ evmergelo r21,r3,r21
+ lwz r3,_UC_VREGS+(22*4)(r31)
+ evmergelo r22,r3,r22
+ lwz r3,_UC_VREGS+(23*4)(r31)
+ evmergelo r23,r3,r23
+ lwz r3,_UC_VREGS+(24*4)(r31)
+ evmergelo r24,r3,r24
+ lwz r3,_UC_VREGS+(25*4)(r31)
+ evmergelo r25,r3,r25
+ lwz r3,_UC_VREGS+(26*4)(r31)
+ evmergelo r26,r3,r26
+ lwz r3,_UC_VREGS+(27*4)(r31)
+ evmergelo r27,r3,r27
+ lwz r3,_UC_VREGS+(28*4)(r31)
+ evmergelo r28,r3,r28
+ lwz r3,_UC_VREGS+(29*4)(r31)
+ evmergelo r29,r3,r29
+ lwz r3,_UC_VREGS+(30*4)(r31)
+ evmergelo r30,r3,r30
+ lwz r3,_UC_VREGS+(31*4)(r31)
+ evmergelo r31,r3,r31
+ lwz r3,_UC_VREGS+(34*4)(r31)
+ mtspefscr r3
+.endm
+#else
+# undef __CONTEXT_ENABLE_E500
+#endif
+
+#endif /* context-e500.h */
diff --git a/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S b/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S
index 90d9dcd429..8bc3c7a43e 100644
--- a/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S
+++ b/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S
@@ -24,6 +24,8 @@
#include <asm/ptrace.h>
#include "ucontext_i.h"
+#include <context-e500.h>
+
#define __CONTEXT_FUNC_NAME __getcontext
#undef __CONTEXT_ENABLE_FPRS
#undef __CONTEXT_ENABLE_VRS
diff --git a/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S b/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S
index 06061eab9f..5f8653ffbb 100644
--- a/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S
+++ b/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S
@@ -24,6 +24,8 @@
#include <asm/ptrace.h>
#include "ucontext_i.h"
+#include <context-e500.h>
+
#define __CONTEXT_FUNC_NAME __setcontext
#undef __CONTEXT_ENABLE_FPRS
#undef __CONTEXT_ENABLE_VRS
diff --git a/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S b/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S
index 2150eec3c3..de6d56f960 100644
--- a/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S
+++ b/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S
@@ -24,6 +24,8 @@
#include <asm/ptrace.h>
#include "ucontext_i.h"
+#include <context-e500.h>
+
#define __CONTEXT_FUNC_NAME __swapcontext
#undef __CONTEXT_ENABLE_FPRS
#undef __CONTEXT_ENABLE_VRS