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-rw-r--r--libc/sysdeps/linux/powerpc/e500/__longjmp.S86
-rw-r--r--libc/sysdeps/linux/powerpc/e500/fenv_top.h136
-rw-r--r--libc/sysdeps/linux/powerpc/e500/fpu_control.h66
-rw-r--r--libc/sysdeps/linux/powerpc/e500/setjmp.S84
4 files changed, 372 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/powerpc/e500/__longjmp.S b/libc/sysdeps/linux/powerpc/e500/__longjmp.S
new file mode 100644
index 000000000..8161f869d
--- /dev/null
+++ b/libc/sysdeps/linux/powerpc/e500/__longjmp.S
@@ -0,0 +1,86 @@
+/* longjmp for PowerPC e500
+ Copyright (C) 1995, 1996, 1997, 1999, 2000, 2004
+ Free Software Foundation, Inc.
+ Contributed by Aldy Hernandez <aldyh@redhat.com>.
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <features.h>
+#include "ppc_asm.h"
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+
+
+#if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__
+#define FP(x...) x
+#else
+#define FP(x...)
+#endif
+
+.globl __longjmp;
+.type __longjmp, @function;
+.align 2;
+
+__longjmp:
+ lwz r1,(JB_GPR1*4)(r3)
+ lwz r2,(JB_GPR2*4)(r3)
+ lwz r0,(JB_LR*4)(r3)
+ lwz r14,((JB_GPRS+0)*4)(r3)
+FP( evldd r14,((JB_FPRS+0*2)*4)(r3))
+ lwz r15,((JB_GPRS+1)*4)(r3)
+FP( evldd r15,((JB_FPRS+1*2)*4)(r3))
+ lwz r16,((JB_GPRS+2)*4)(r3)
+FP( evldd r16,((JB_FPRS+2*2)*4)(r3))
+ lwz r17,((JB_GPRS+3)*4)(r3)
+FP( evldd r17,((JB_FPRS+3*2)*4)(r3))
+ lwz r18,((JB_GPRS+4)*4)(r3)
+FP( evldd r18,((JB_FPRS+4*2)*4)(r3))
+ lwz r19,((JB_GPRS+5)*4)(r3)
+FP( evldd r19,((JB_FPRS+5*2)*4)(r3))
+ lwz r20,((JB_GPRS+6)*4)(r3)
+FP( evldd r20,((JB_FPRS+6*2)*4)(r3))
+ mtlr r0
+ lwz r21,((JB_GPRS+7)*4)(r3)
+FP( evldd r21,((JB_FPRS+7*2)*4)(r3))
+ lwz r22,((JB_GPRS+8)*4)(r3)
+FP( evldd r22,((JB_FPRS+8*2)*4)(r3))
+ lwz r0,(JB_CR*4)(r3)
+ lwz r23,((JB_GPRS+9)*4)(r3)
+FP( evldd r23,((JB_FPRS+9*2)*4)(r3))
+ lwz r24,((JB_GPRS+10)*4)(r3)
+FP( evldd r24,((JB_FPRS+10*2)*4)(r3))
+ lwz r25,((JB_GPRS+11)*4)(r3)
+FP( evldd r25,((JB_FPRS+11*2)*4)(r3))
+ mtcrf 0xFF,r0
+ lwz r26,((JB_GPRS+12)*4)(r3)
+FP( evldd r26,((JB_FPRS+12*2)*4)(r3))
+ lwz r27,((JB_GPRS+13)*4)(r3)
+FP( evldd r27,((JB_FPRS+13*2)*4)(r3))
+ lwz r28,((JB_GPRS+14)*4)(r3)
+FP( evldd r28,((JB_FPRS+14*2)*4)(r3))
+ lwz r29,((JB_GPRS+15)*4)(r3)
+FP( evldd r29,((JB_FPRS+15*2)*4)(r3))
+ lwz r30,((JB_GPRS+16)*4)(r3)
+FP( evldd r30,((JB_FPRS+16*2)*4)(r3))
+ lwz r31,((JB_GPRS+17)*4)(r3)
+FP( evldd r31,((JB_FPRS+17*2)*4)(r3))
+ mr r3,r4
+ blr
+.size __longjmp,.-__longjmp
+
+libc_hidden_def(__longjmp)
diff --git a/libc/sysdeps/linux/powerpc/e500/fenv_top.h b/libc/sysdeps/linux/powerpc/e500/fenv_top.h
new file mode 100644
index 000000000..8a06f024e
--- /dev/null
+++ b/libc/sysdeps/linux/powerpc/e500/fenv_top.h
@@ -0,0 +1,136 @@
+/* Copyright (C) 1997, 1999, 2000 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/*
+ * ISO C99 7.6: Floating-point environment <fenv.h>
+ */
+
+#ifndef _FENV_H
+#define _FENV_H 1
+
+#include <features.h>
+
+/* Get the architecture dependend definitions. The following definitions
+ are expected to be done:
+
+ fenv_t type for object representing an entire floating-point
+ environment
+
+ FE_DFL_ENV macro of type pointer to fenv_t to be used as the argument
+ to functions taking an argument of type fenv_t; in this
+ case the default environment will be used
+
+ fexcept_t type for object representing the floating-point exception
+ flags including status associated with the flags
+
+ The following macros are defined iff the implementation supports this
+ kind of exception.
+ FE_INEXACT inexact result
+ FE_DIVBYZERO division by zero
+ FE_UNDERFLOW result not representable due to underflow
+ FE_OVERFLOW result not representable due to overflow
+ FE_INVALID invalid operation
+
+ FE_ALL_EXCEPT bitwise OR of all supported exceptions
+
+ The next macros are defined iff the appropriate rounding mode is
+ supported by the implementation.
+ FE_TONEAREST round to nearest
+ FE_UPWARD round toward +Inf
+ FE_DOWNWARD round toward -Inf
+ FE_TOWARDZERO round toward 0
+*/
+#include <bits/fenv.h>
+
+__BEGIN_DECLS
+
+/* Floating-point exception handling. */
+
+/* Clear the supported exceptions represented by EXCEPTS. */
+extern int feclearexcept (int __excepts) __THROW;
+
+/* Store implementation-defined representation of the exception flags
+ indicated by EXCEPTS in the object pointed to by FLAGP. */
+extern int fegetexceptflag (fexcept_t *__flagp, int __excepts) __THROW;
+
+/* Raise the supported exceptions represented by EXCEPTS. */
+extern int feraiseexcept (int __excepts) __THROW;
+
+/* Set complete status for exceptions indicated by EXCEPTS according to
+ the representation in the object pointed to by FLAGP. */
+extern int fesetexceptflag (__const fexcept_t *__flagp, int __excepts) __THROW;
+
+/* Determine which of subset of the exceptions specified by EXCEPTS are
+ currently set. */
+extern int fetestexcept (int __excepts) __THROW;
+
+
+/* Rounding control. */
+
+/* Get current rounding direction. */
+extern int fegetround (void) __THROW;
+
+/* Establish the rounding direction represented by ROUND. */
+extern int fesetround (int __rounding_direction) __THROW;
+
+
+/* Floating-point environment. */
+
+/* Store the current floating-point environment in the object pointed
+ to by ENVP. */
+extern int fegetenv (fenv_t *__envp) __THROW;
+
+/* Save the current environment in the object pointed to by ENVP, clear
+ exception flags and install a non-stop mode (if available) for all
+ exceptions. */
+extern int feholdexcept (fenv_t *__envp) __THROW;
+
+/* Establish the floating-point environment represented by the object
+ pointed to by ENVP. */
+extern int fesetenv (__const fenv_t *__envp) __THROW;
+
+/* Save current exceptions in temporary storage, install environment
+ represented by object pointed to by ENVP and raise exceptions
+ according to saved exceptions. */
+extern int feupdateenv (__const fenv_t *__envp) __THROW;
+
+
+/* Include optimization. */
+#ifdef __OPTIMIZE__
+# include <bits/fenvinline.h>
+#endif
+
+#ifdef __USE_GNU
+
+/* Enable individual exceptions. Will not enable more exceptions than
+ EXCEPTS specifies. Returns the previous enabled exceptions if all
+ exceptions are successfully set, otherwise returns -1. */
+extern int feenableexcept (int __excepts) __THROW;
+
+/* Disable individual exceptions. Will not disable more exceptions than
+ EXCEPTS specifies. Returns the previous enabled exceptions if all
+ exceptions are successfully disabled, otherwise returns -1. */
+extern int fedisableexcept (int __excepts) __THROW;
+
+/* Return enabled exceptions. */
+extern int fegetexcept (void) __THROW;
+#endif
+
+__END_DECLS
+
+#endif /* fenv.h */
diff --git a/libc/sysdeps/linux/powerpc/e500/fpu_control.h b/libc/sysdeps/linux/powerpc/e500/fpu_control.h
new file mode 100644
index 000000000..10e8506ad
--- /dev/null
+++ b/libc/sysdeps/linux/powerpc/e500/fpu_control.h
@@ -0,0 +1,66 @@
+/* FPU control word definitions. PowerPC e500 version.
+ Copyright (C) 1996, 1997, 1998, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Aldy Hernandez <aldyh@redhat.com>, 2004.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _FPU_CONTROL_H
+#define _FPU_CONTROL_H
+
+/* rounding control */
+#define _FPU_RC_NEAREST 0x00 /* RECOMMENDED */
+#define _FPU_RC_DOWN 0x03
+#define _FPU_RC_UP 0x02
+#define _FPU_RC_ZERO 0x01
+
+#define _FPU_MASK_NI 0x04 /* non-ieee mode */
+
+/* masking of interrupts */
+#define _FPU_MASK_ZM 0x10 /* zero divide */
+#define _FPU_MASK_OM 0x40 /* overflow */
+#define _FPU_MASK_UM 0x20 /* underflow */
+#define _FPU_MASK_XM 0x08 /* inexact */
+#define _FPU_MASK_IM 0x80 /* invalid operation */
+
+#define _FPU_RESERVED 0xff3fff7f /* These bits are reserved are not changed. */
+
+/* The fdlibm code requires no interrupts for exceptions. */
+#define _FPU_DEFAULT 0x00000000 /* Default value. */
+
+/* IEEE: same as above, but (some) exceptions;
+ we leave the 'inexact' exception off.
+ */
+#define _FPU_IEEE 0x000003c0
+
+/* Type of the control word. */
+typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__)));
+
+/* Macros for accessing the hardware control word. */
+#define _FPU_GETCW(__cw) ({ \
+ unsigned int env; \
+ asm volatile ("mfspefscr %0" : "=r" (env)); \
+ (__cw) = env; })
+#define _FPU_SETCW(__cw) ({ \
+ unsigned int env = __cw; \
+ asm volatile ("mtspefscr %0" : : "r" (env)); })
+
+#if 0
+/* Default control word set at startup. */
+extern fpu_control_t __fpu_control;
+#endif
+
+#endif /* _FPU_CONTROL_H */
diff --git a/libc/sysdeps/linux/powerpc/e500/setjmp.S b/libc/sysdeps/linux/powerpc/e500/setjmp.S
new file mode 100644
index 000000000..6b3bbfbd6
--- /dev/null
+++ b/libc/sysdeps/linux/powerpc/e500/setjmp.S
@@ -0,0 +1,84 @@
+/* setjmp for PowerPC e500.
+ Copyright (C) 1995, 1996, 1997, 1999, 2000, 2004
+ Free Software Foundation, Inc.
+ Contributed by Aldy Hernandez <aldyh@redhat.com>.
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <features.h>
+#include "ppc_asm.h"
+#define _ASM
+#define _SETJMP_H
+#include <bits/setjmp.h>
+
+#if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__
+#define FP(x...) x
+#else
+#define FP(x...)
+#endif
+
+.globl __sigsetjmp;
+.type __sigsetjmp, @function;
+.align 2;
+
+__sigsetjmp:
+ stw r1,(JB_GPR1*4)(3)
+ mflr r0
+ stw r2,(JB_GPR2*4)(3)
+ stw r14,((JB_GPRS+0)*4)(3)
+FP( evstdd r14,((JB_FPRS+0*2)*4)(3))
+ stw r0,(JB_LR*4)(3)
+ stw r15,((JB_GPRS+1)*4)(3)
+FP( evstdd r15,((JB_FPRS+1*2)*4)(3))
+ mfcr r0
+ stw r16,((JB_GPRS+2)*4)(3)
+FP( evstdd r16,((JB_FPRS+2*2)*4)(3))
+ stw r0,(JB_CR*4)(3)
+ stw r17,((JB_GPRS+3)*4)(3)
+FP( evstdd r17,((JB_FPRS+3*2)*4)(3))
+ stw r18,((JB_GPRS+4)*4)(3)
+FP( evstdd r18,((JB_FPRS+4*2)*4)(3))
+ stw r19,((JB_GPRS+5)*4)(3)
+FP( evstdd r19,((JB_FPRS+5*2)*4)(3))
+ stw r20,((JB_GPRS+6)*4)(3)
+FP( evstdd r20,((JB_FPRS+6*2)*4)(3))
+ stw r21,((JB_GPRS+7)*4)(3)
+FP( evstdd r21,((JB_FPRS+7*2)*4)(3))
+ stw r22,((JB_GPRS+8)*4)(3)
+FP( evstdd r22,((JB_FPRS+8*2)*4)(3))
+ stw r23,((JB_GPRS+9)*4)(3)
+FP( evstdd r23,((JB_FPRS+9*2)*4)(3))
+ stw r24,((JB_GPRS+10)*4)(3)
+FP( evstdd r24,((JB_FPRS+10*2)*4)(3))
+ stw r25,((JB_GPRS+11)*4)(3)
+FP( evstdd r25,((JB_FPRS+11*2)*4)(3))
+ stw r26,((JB_GPRS+12)*4)(3)
+FP( evstdd r26,((JB_FPRS+12*2)*4)(3))
+ stw r27,((JB_GPRS+13)*4)(3)
+FP( evstdd r27,((JB_FPRS+13*2)*4)(3))
+ stw r28,((JB_GPRS+14)*4)(3)
+FP( evstdd r28,((JB_FPRS+14*2)*4)(3))
+ stw r29,((JB_GPRS+15)*4)(3)
+FP( evstdd r29,((JB_FPRS+15*2)*4)(3))
+ stw r30,((JB_GPRS+16)*4)(3)
+FP( evstdd r30,((JB_FPRS+16*2)*4)(3))
+ stw r31,((JB_GPRS+17)*4)(3)
+FP( evstdd r31,((JB_FPRS+17*2)*4)(3))
+
+ b __sigjmp_save@local
+
+.size __sigsetjmp,.-__sigsetjmp
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 12:28:58 +0000