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author | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
commit | a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349 (patch) | |
tree | defd1cc07d16ad2f3b21154114e092d11c94c5bb /libc/kernel/arch-arm/asm/div64.h | |
download | bionic-a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349.zip bionic-a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349.tar.gz bionic-a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349.tar.bz2 |
Initial Contributionandroid-1.0
Diffstat (limited to 'libc/kernel/arch-arm/asm/div64.h')
-rw-r--r-- | libc/kernel/arch-arm/asm/div64.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libc/kernel/arch-arm/asm/div64.h b/libc/kernel/arch-arm/asm/div64.h new file mode 100644 index 0000000..c03a0e4 --- /dev/null +++ b/libc/kernel/arch-arm/asm/div64.h @@ -0,0 +1,27 @@ +/**************************************************************************** + **************************************************************************** + *** + *** This header was automatically generated from a Linux kernel header + *** of the same name, to make information necessary for userspace to + *** call into the kernel available to libc. It contains only constants, + *** structures, and macros generated from the original header, and thus, + *** contains no copyrightable information. + *** + **************************************************************************** + ****************************************************************************/ +#ifndef __ASM_ARM_DIV64 +#define __ASM_ARM_DIV64 + +#include <asm/system.h> + +#ifdef __ARMEB__ +#define __xh "r0" +#define __xl "r1" +#else +#define __xl "r0" +#define __xh "r1" +#endif + +#define do_div(n,base) ({ register unsigned int __base asm("r4") = base; register unsigned long long __n asm("r0") = n; register unsigned long long __res asm("r2"); register unsigned int __rem asm(__xh); asm( __asmeq("%0", __xh) __asmeq("%1", "r2") __asmeq("%2", "r0") __asmeq("%3", "r4") "bl __do_div64" : "=r" (__rem), "=r" (__res) : "r" (__n), "r" (__base) : "ip", "lr", "cc"); n = __res; __rem; }) + +#endif |