diff options
9 files changed, 190 insertions, 0 deletions
@@ -1,3 +1,15 @@ +2013-10-04 Joseph Myers <joseph@codesourcery.com> + + * sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S + (__CONTEXT_FUNC_NAME) [__CONTEXT_ENABLE_E500]: Use + getcontext_e500. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S + (__CONTEXT_FUNC_NAME) [__CONTEXT_ENABLE_E500]: Use + setcontext_e500. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S + (__CONTEXT_FUNC_NAME) [__CONTEXT_ENABLE_E500]: Use getcontext_e500 + and setcontext_e500. + 2013-10-04 Chris Leonard <cjl@sugarlabs,.org> * locale/iso-3166.def: Update iso-1366.def and related occurrences diff --git a/ports/ChangeLog.powerpc b/ports/ChangeLog.powerpc index 375e956..773c240 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 0000000..9eb1a95 --- /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 90d9dcd..8bc3c7a 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 06061ea..5f8653f 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 2150eec..de6d56f 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 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S index 14f39d6..082d302 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S @@ -261,6 +261,11 @@ ENTRY(__CONTEXT_FUNC_NAME) 2: /* L(no_vec): */ # endif #endif + +#ifdef __CONTEXT_ENABLE_E500 + getcontext_e500 +#endif + /* We need to set up parms and call sigprocmask which will clobber volatile registers. So before the call we need to retrieve the original ucontext ptr (parm1) from stack and store the UC_REGS_PTR diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S index f980d28..6525cf7 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S @@ -243,6 +243,10 @@ ENTRY(__CONTEXT_FUNC_NAME) lfd fp31,_UC_FREGS+(31*8)(r31) #endif /* __CONTEXT_ENABLE_FPRS */ +#ifdef __CONTEXT_ENABLE_E500 + setcontext_e500 +#endif + /* Restore LR and CCR, and set CTR to the NIP value */ lwz r3,_UC_GREGS+(PT_LNK*4)(r31) lwz r4,_UC_GREGS+(PT_NIP*4)(r31) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S index 90d7d72..caa5b89 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S @@ -265,6 +265,10 @@ ENTRY(__CONTEXT_FUNC_NAME) # endif /* __CONTEXT_ENABLE_VRS */ #endif /* __CONTEXT_ENABLE_FPRS */ +#ifdef __CONTEXT_ENABLE_E500 + getcontext_e500 +#endif + /* Restore ucontext (parm1) from stack. */ lwz r12,_FRAME_PARM_SAVE1(r1) li r4,0 @@ -468,6 +472,10 @@ ENTRY(__CONTEXT_FUNC_NAME) lfd fp31,_UC_FREGS+(31*8)(r31) #endif /* __CONTEXT_ENABLE_FPRS */ +#ifdef __CONTEXT_ENABLE_E500 + setcontext_e500 +#endif + /* Restore LR and CCR, and set CTR to the NIP value */ lwz r3,_UC_GREGS+(PT_LNK*4)(r31) lwz r4,_UC_GREGS+(PT_NIP*4)(r31) |