Changeset 6eabb6e6 in mainline for kernel/arch/sparc64/include/asm.h


Ignore:
Timestamp:
2006-09-13T13:16:30Z (18 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
34d9469e
Parents:
9a5b556
Message:

Support for sparc64 FPU context.

File:
1 edited

Legend:

Unmodified
Added
Removed

  • kernel/arch/sparc64/include/asm.h

    r9a5b556 r6eabb6e6  
    109109}
    110110
     111/** Read FPRS Register.
     112 *
     113 * @return Value of FPRS register.
     114 */
     115static inline uint64_t fprs_read(void)
     116{
     117        uint64_t v;
     118       
     119        __asm__ volatile ("rd %%fprs, %0\n" : "=r" (v));
     120       
     121        return v;
     122}
     123
     124/** Write FPRS Register.
     125 *
     126 * @param v New value of FPRS register.
     127 */
     128static inline void fprs_write(uint64_t v)
     129{
     130        __asm__ volatile ("wr %0, %1, %%fprs\n" : : "r" (v), "i" (0));
     131}
     132
    111133/** Read SOFTINT Register.
    112134 *
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