klibc-bot for Ben Hutchings
2020-Apr-30 13:12 UTC
[klibc] [klibc:master] arch: Remove cris port
Commit-ID: a7a754c66437d4ab26503cdc183fd9e54a9e84d0
Gitweb:
http://git.kernel.org/?p=libs/klibc/klibc.git;a=commit;h=a7a754c66437d4ab26503cdc183fd9e54a9e84d0
Author: Ben Hutchings <ben at decadent.org.uk>
AuthorDate: Thu, 30 Apr 2020 14:06:32 +0100
Committer: Ben Hutchings <ben at decadent.org.uk>
CommitDate: Thu, 30 Apr 2020 14:08:28 +0100
[klibc] arch: Remove cris port
klibc targets the latest kernel version, and the cris kernel port
was removed in Linux 4.17. Remove our support for it.
Signed-off-by: Ben Hutchings <ben at decadent.org.uk>
---
usr/include/arch/cris/klibc/archconfig.h | 15 -----
usr/include/arch/cris/klibc/archsetjmp.h | 24 --------
usr/include/arch/cris/klibc/archsignal.h | 14 -----
usr/include/arch/cris/klibc/archstat.h | 39 -------------
usr/klibc/README.klibc | 1 -
usr/klibc/SYSCALLS.def | 2 +-
usr/klibc/arch/cris/Kbuild | 28 ---------
usr/klibc/arch/cris/MCONFIG | 26 ---------
usr/klibc/arch/cris/__negdi2.S | 25 --------
usr/klibc/arch/cris/crt0.S | 27 ---------
usr/klibc/arch/cris/divide.c | 99 --------------------------------
usr/klibc/arch/cris/setjmp.S | 37 ------------
usr/klibc/arch/cris/syscall.S | 30 ----------
usr/klibc/arch/cris/sysstub.ph | 29 ----------
usr/klibc/arch/cris/vfork.S | 29 ----------
15 files changed, 1 insertion(+), 424 deletions(-)
diff --git a/usr/include/arch/cris/klibc/archconfig.h
b/usr/include/arch/cris/klibc/archconfig.h
deleted file mode 100644
index 0206078f..00000000
--- a/usr/include/arch/cris/klibc/archconfig.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * include/arch/cris/klibc/archconfig.h
- *
- * See include/klibc/sysconfig.h for the options that can be set in
- * this file.
- *
- */
-
-#ifndef _KLIBC_ARCHCONFIG_H
-#define _KLIBC_ARCHCONFIG_H
-
-/* cris uses 13 as the page shift factor for sys_mmap2 */
-#define _KLIBC_MMAP2_SHIFT 13
-
-#endif /* _KLIBC_ARCHCONFIG_H */
diff --git a/usr/include/arch/cris/klibc/archsetjmp.h
b/usr/include/arch/cris/klibc/archsetjmp.h
deleted file mode 100644
index d345ccbf..00000000
--- a/usr/include/arch/cris/klibc/archsetjmp.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * arch/cris/include/klibc/archsetjmp.h
- */
-
-#ifndef _KLIBC_ARCHSETJMP_H
-#define _KLIBC_ARCHSETJMP_H
-
-struct __jmp_buf {
- unsigned long __r0;
- unsigned long __r1;
- unsigned long __r2;
- unsigned long __r3;
- unsigned long __r4;
- unsigned long __r5;
- unsigned long __r6;
- unsigned long __r7;
- unsigned long __r8;
- unsigned long __sp;
- unsigned long __srp;
-};
-
-typedef struct __jmp_buf jmp_buf[1];
-
-#endif /* _KLIBC_ARCHSETJMP_H */
diff --git a/usr/include/arch/cris/klibc/archsignal.h
b/usr/include/arch/cris/klibc/archsignal.h
deleted file mode 100644
index 7fa7454a..00000000
--- a/usr/include/arch/cris/klibc/archsignal.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * arch/cris/include/klibc/archsignal.h
- *
- * Architecture-specific signal definitions
- *
- */
-
-#ifndef _KLIBC_ARCHSIGNAL_H
-#define _KLIBC_ARCHSIGNAL_H
-
-#include <asm/signal.h>
-/* No special stuff for this architecture */
-
-#endif
diff --git a/usr/include/arch/cris/klibc/archstat.h
b/usr/include/arch/cris/klibc/archstat.h
deleted file mode 100644
index 09d3adec..00000000
--- a/usr/include/arch/cris/klibc/archstat.h
+++ /dev/null
@@ -1,39 +0,0 @@
-#ifndef _KLIBC_ARCHSTAT_H
-#define _KLIBC_ARCHSTAT_H
-
-#include <klibc/stathelp.h>
-
-#define _STATBUF_ST_NSEC
-
-/* This matches struct stat64 in glibc2.1, hence the absolutely
- * insane amounts of padding around dev_t's.
- */
-struct stat {
- __stdev64 (st_dev);
- unsigned char __pad0[4];
-
- unsigned long __st_ino;
-
- unsigned int st_mode;
- unsigned int st_nlink;
-
- unsigned long st_uid;
- unsigned long st_gid;
-
- __stdev64 (st_rdev);
- unsigned char __pad3[4];
-
- long long st_size;
- unsigned long st_blksize;
-
- unsigned long st_blocks; /* Number 512-byte blocks allocated. */
- unsigned long __pad4; /* future possible st_blocks high bits */
-
- struct timespec st_atim;
- struct timespec st_mtim;
- struct timespec st_ctim;
-
- unsigned long long st_ino;
-};
-
-#endif
diff --git a/usr/klibc/README.klibc b/usr/klibc/README.klibc
index dfb0895c..47183bb3 100644
--- a/usr/klibc/README.klibc
+++ b/usr/klibc/README.klibc
@@ -109,7 +109,6 @@ The following is the last known status of various
architectures:
arm: Working
arm64: Working
avr32: Not yet ported
- cris: Working
h8300: Not yet ported
i386: Working
ia64: Mostly working
diff --git a/usr/klibc/SYSCALLS.def b/usr/klibc/SYSCALLS.def
index 94b9af26..461d9bf6 100644
--- a/usr/klibc/SYSCALLS.def
+++ b/usr/klibc/SYSCALLS.def
@@ -226,7 +226,7 @@ int sigprocmask(int, const sigset_t *, sigset_t *);
*
* The arguments other than the sigset_t are assumed ignored.
*/
-<cris,sh,sparc,alpha,ppc,sparc64> int
sigsuspend::__sigsuspend_s(sigset_t);
+<sh,sparc,alpha,ppc,sparc64> int sigsuspend::__sigsuspend_s(sigset_t);
<arm,frv,i386,m68k,mn10300,s390,s390x> int
sigsuspend::__sigsuspend_xxs(int, int, sigset_t);
#endif
int kill(pid_t, int);
diff --git a/usr/klibc/arch/cris/Kbuild b/usr/klibc/arch/cris/Kbuild
deleted file mode 100644
index 13ceeecd..00000000
--- a/usr/klibc/arch/cris/Kbuild
+++ /dev/null
@@ -1,28 +0,0 @@
-#
-# klibc files fora cris
-#
-
-always := crt0.o
-targets := crt0.o
-
-klib-y += __negdi2.o setjmp.o syscall.o vfork.o
-
-klib-y += ../../libgcc/__divdi3.o ../../libgcc/__moddi3.o
-klib-y += ../../libgcc/__udivdi3.o ../../libgcc/__umoddi3.o
-klib-y += ../../libgcc/__udivmoddi4.o
-
-# Divide support
-klib-y := __Umod.o __Udiv.o __Mod.o __Div.o
-
-quiet_cmd_cc-div = DIV-CC $@
- cmd_cc-div = $(KLIBCC) $(klibccflags) -c -o $@ $<
-
-
-$(obj)/__Umod.o: $(src)/divide.c
-KLIBCCFLAGS___Umod.o := -DSIGNED=0 -DREM=1 -DBITS=32 -DNAME=__Umod
-$(obj)/__Udiv.o: $(src)/divide.c
-KLIBCCFLAGS___Udiv.o := -DSIGNED=0 -DREM=0 -DBITS=32 -DNAME=__Udiv
-$(obj)/__Mod.o: $(src)/divide.c
-KLIBCCFLAGS___Mod.o := -DSIGNED=1 -DREM=1 -DBITS=32 -DNAME=__Mod
-$(obj)/__Div.o: $(src)/divide.c
-KLIBCCFLAGS___Div.o := -DSIGNED=1 -DREM=0 -DBITS=32 -DNAME=__Div
diff --git a/usr/klibc/arch/cris/MCONFIG b/usr/klibc/arch/cris/MCONFIG
deleted file mode 100644
index 20bfe731..00000000
--- a/usr/klibc/arch/cris/MCONFIG
+++ /dev/null
@@ -1,26 +0,0 @@
-# -*- makefile -*-
-#
-# arch/cris/MCONFIG
-#
-# Special rules for this architecture. Note that this is actually
-# included from the main Makefile, and that pathnames should be
-# accordingly.
-#
-
-KLIBCOPTFLAGS += -Os -fomit-frame-pointer
-KLIBCBITSIZE = 32
-
-# Extra linkflags when building the shared version of the library
-# This address needs to be reachable using normal inter-module
-# calls, and work on the memory models for this architecture
-# 224 MB - normal binaries start at 0
-# (lib?)gcc on cris seems to insist on producing .init and .fini sections
-KLIBCSHAREDFLAGS = --section-start .init=0x0e000100
-
-# The CRIS compiler needs an -iprefix to find libgcc includes when
-# nostdinc is used. It also needs -mlinux to compile linux applications.
-INCLUDE_PREFIX = $(shell $(CC) -print-libgcc-file-name | sed -e s/libgcc.a//)
-KLIBCARCHREQFLAGS = -iprefix $(INCLUDE_PREFIX) -mlinux
-
-# Special flags needed for linking
-KLIBCLDFLAGS += -mcrislinux
diff --git a/usr/klibc/arch/cris/__negdi2.S b/usr/klibc/arch/cris/__negdi2.S
deleted file mode 100644
index 3cca9edf..00000000
--- a/usr/klibc/arch/cris/__negdi2.S
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * arch/cris/__negdi2.c
- */
-
-/*
- * In 2's complement arithmetric, -x == (~x + 1), so
- * -{h,l} = (~{h,l} + {0,1)
- * -{h,l} = {~h,~l} + {0,1}
- * -{h,l} = {~h + cy, ~l + 1}
- * ... where cy = (l == 0)
- * -{h,l} = {~h + cy, -l}
- */
-
- .text
- .balign 4
- .type __negdi2, at function
- .globl __negdi2
-__negdi2:
- neg.d $r10,$r10
- seq $r12
- not $r11
- ret
- add.d $r12,$r11
-
- .size __negdi2, .-__negdi2
diff --git a/usr/klibc/arch/cris/crt0.S b/usr/klibc/arch/cris/crt0.S
deleted file mode 100644
index 22cb9b4e..00000000
--- a/usr/klibc/arch/cris/crt0.S
+++ /dev/null
@@ -1,27 +0,0 @@
-#
-# arch/cris/crt0.S
-#
-# Does arch-specific initialization and invokes __libc_init
-# with the appropriate arguments.
-#
-# See __static_init.c or __shared_init.c for the expected
-# arguments.
-#
-
- .text
- .balign 4
- .type _start, at function
- .globl _start
-_start:
- /* Save the address of the ELF argument array */
- move.d $sp,$r10 /* Address of ELF arguments */
-
- /* atexit() function (assume null) */
- moveq 0,$r11
-
- /* Set up a dummy stack frame to keep gcc from getting confused */
- push $r11
- push $r11
- jump __libc_init
-
- .size _start, .-_start
diff --git a/usr/klibc/arch/cris/divide.c b/usr/klibc/arch/cris/divide.c
deleted file mode 100644
index 1d4ab236..00000000
--- a/usr/klibc/arch/cris/divide.c
+++ /dev/null
@@ -1,99 +0,0 @@
-#include <stdint.h>
-#include <signal.h>
-
-#if BITS == 64
-typedef uint64_t unum;
-typedef int64_t snum;
-#else
-typedef uint32_t unum;
-typedef int32_t snum;
-#endif
-
-#ifdef SIGNED
-typedef snum xnum;
-#else
-typedef unum xnum;
-#endif
-
-#ifdef __cris__
-static inline unum __attribute__ ((const))dstep(unum rs, unum rd)
-{
- asm("dstep %1,%0": "+r"(rd):"r"(rs));
- return rd;
-}
-
-static inline unum __attribute__ ((const))lz(unum rs)
-{
- unum rd;
- asm("lz %1,%0": "=r"(rd):"r"(rs));
- return rd;
-}
-
-#else
-/* For testing */
-static inline unum __attribute__ ((const))dstep(unum rs, unum rd)
-{
- rd <<= 1;
- if (rd >= rs)
- rd -= rs;
-
- return rd;
-}
-
-static inline unum __attribute__ ((const))lz(unum rs)
-{
- unum rd = 0;
- while (rs >= 0x7fffffff) {
- rd++;
- rs <<= 1;
- }
- return rd;
-}
-
-#endif
-
-xnum NAME(unum num, unum den)
-{
- unum quot = 0, qbit = 1;
- int minus = 0;
- xnum v;
-
- if (den == 0) {
- raise(SIGFPE);
- return 0; /* If signal ignored... */
- }
-
- if (den == 1)
- return (xnum) (REM ? 0 : num);
-
-#if SIGNED
- if ((snum) (num ^ den) < 0)
- minus = 1;
- if ((snum) num < 0)
- num = -num;
- if ((snum) den < 0)
- den = -den;
-#endif
-
- den--;
-
- /* Left-justify denominator and count shift */
- while ((snum) den >= 0) {
- den <<= 1;
- qbit <<= 1;
- }
-
- while (qbit) {
- if (den <= num) {
- num -= den;
- quot += qbit;
- }
- den >>= 1;
- qbit >>= 1;
- }
-
- v = (xnum) (REM ? num : quot);
- if (minus)
- v = -v;
- return v;
-}
diff --git a/usr/klibc/arch/cris/setjmp.S b/usr/klibc/arch/cris/setjmp.S
deleted file mode 100644
index 2041b82d..00000000
--- a/usr/klibc/arch/cris/setjmp.S
+++ /dev/null
@@ -1,37 +0,0 @@
-#
-# arch/cris/setjmp.S
-#
-# setjmp/longjmp for the cris architecture
-#
-
-#
-# The jmp_buf is assumed to contain the following, in order:
-# $r8..$r0 (in that order)
-# $sp ($r14)
-# return address
-#
-
- .text
- .balign 4
- .globl setjmp
- .type setjmp, @function
-setjmp:
- movem $r8,[$r10+] /* Save $r8..$r0 at $r10... */
- move.d $sp,[$r10+]
- move $srp,[$r10]
- ret
- moveq 0,$r10
-
- .size setjmp,.-setjmp
-
- .text
- .balign 4
- .globl longjmp
- .type longjmp, @function
-longjmp:
- movem [$r10+],$r8 /* Load $r8..$r0 from $r10... */
- move.d [$r10+],$sp
- jump [$r10]
- move.d $r11,$r10
-
- .size longjmp,.-longjmp
diff --git a/usr/klibc/arch/cris/syscall.S b/usr/klibc/arch/cris/syscall.S
deleted file mode 100644
index d71495ab..00000000
--- a/usr/klibc/arch/cris/syscall.S
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * arch/cris/syscall.S
- *
- * On cris, r9 contains the syscall number (set by generated stub);
- * r10..r13 contain arguments 0-3 per the standard calling convention,
- * and arguments 4-5 are passed in $mof and $srp; however, we have
- * to save $srp around the system call.
- */
-
- .section ".text","ax"
- .balign 4
- .globl __syscall_common
- .type __syscall_common, at function
-__syscall_common:
- push $srp
- move [$sp+4],$mof
- move [$sp+8],$srp
- break 13
-
- cmps.w -4096,$r10
- blo 1f
- neg.d $r10,$r11
- move.d $r11,[errno]
- moveq -1,$r10
-1:
- pop $srp
- ret
- nop
-
- .size __syscall_common,.-__syscall_common
diff --git a/usr/klibc/arch/cris/sysstub.ph b/usr/klibc/arch/cris/sysstub.ph
deleted file mode 100644
index 182ad73f..00000000
--- a/usr/klibc/arch/cris/sysstub.ph
+++ /dev/null
@@ -1,29 +0,0 @@
-# -*- perl -*-
-#
-# arch/cris/sysstub.ph
-#
-# Script to generate system call stubs
-#
-
-sub make_sysstub($$$$$@) {
- my($outputdir, $fname, $type, $sname, $stype, @args) = @_;
-
- open(OUT, '>', "${outputdir}/${fname}.S");
- print OUT "#include <asm/unistd.h>\n";
- print OUT "\n";
- print OUT "\t.text\n";
- print OUT "\t.type\t${fname},\@function\n";
- print OUT "\t.globl\t${fname}\n";
- print OUT "\t.balign\t4\n";
- print OUT "${fname}:\n";
- print OUT "#if __NR_${sname} <= 31\n";
- print OUT "\t moveq\t__NR_${sname}, \$r9\n";
- print OUT "#else\n";
- print OUT "\t move.d\t__NR_${sname}, \$r9\n";
- print OUT "#endif\n";
- print OUT "\tjump\t__syscall_common\n";
- print OUT "\t.size ${fname},.-${fname}\n";
- close(OUT);
-}
-
-1;
diff --git a/usr/klibc/arch/cris/vfork.S b/usr/klibc/arch/cris/vfork.S
deleted file mode 100644
index ccdb36ce..00000000
--- a/usr/klibc/arch/cris/vfork.S
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * arch/cris/vfork.S
- *
- * On cris, r9 contains the syscall number (set by generated stub);
- * r10..r13 contain arguments 0-3 per the standard calling convention.
- * The return address is in $srp; so we just need to avoid the stack
- * usage of the normal syscall stubs.
- */
-
-#include <asm/unistd.h>
-
- .section ".text","ax"
- .balign 4
- .globl vfork
- .type vfork, at function
-vfork:
- move.d __NR_vfork, $r9
- break 13
-
- cmps.w -4096,$r10
- blo 1f
- neg.d $r10,$r11
- move.d $r11,[errno]
- moveq -1,$r10
-1:
- ret
- nop
-
- .size vfork,.-vfork
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