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| author | Gwenolé Beauchesne <gbeauchesne@mandriva.org> | 2003-02-18 16:48:04 +0000 |
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| committer | Gwenolé Beauchesne <gbeauchesne@mandriva.org> | 2003-02-18 16:48:04 +0000 |
| commit | c93f95560d3fde9eaefcc62c454c67b8b5626fa7 (patch) | |
| tree | 28fc15161411de0c3693b3ac2551bb3dcef8c957 /mdk-stage1/dietlibc/alpha/__testandset.S | |
| parent | 0e38e73d18120d339abc5f3b3faa8876d65de288 (diff) | |
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Merge in CVS dietlibc 0.21 for IA-64 and X86-64 support. However, drop the
following architectures we currently don't support: arm, mips, mipsel, parisc,
s390, sparc64.
Diffstat (limited to 'mdk-stage1/dietlibc/alpha/__testandset.S')
| -rw-r--r-- | mdk-stage1/dietlibc/alpha/__testandset.S | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/alpha/__testandset.S b/mdk-stage1/dietlibc/alpha/__testandset.S new file mode 100644 index 000000000..c5ef81241 --- /dev/null +++ b/mdk-stage1/dietlibc/alpha/__testandset.S @@ -0,0 +1,11 @@ +.text +.align 2 +.global __testandsets +.type __testandsets,@function +__testandset: + ldq_l $0, 0($16) /* load lock */ + bne $0,1f /* ok there is a lock... */ + lda $0, 1($31) /* load a 1 to register 0 */ + stq_c $0, 0($16) /* write lock is locked :) */ + beq $0,__testandset /* oops someone changed MY lock */ +1: ret $31, ($26), 0x01 /* return */ |