__riscv_flush_icache(3) — Linux manual page

__riscv_flush_icache(3)  Library Functions Manual __riscv_flush_icache(3)

NAME         top

       __riscv_flush_icache - Flush icaches on RISC-V

LIBRARY         top

       Standard C library (libc, -lc)

SYNOPSIS         top

       #include <sys/cachectl.h>

       int __riscv_flush_icache(void *start, void *end, unsigned long flags);

DESCRIPTION         top

       __riscv_flush_icache() enforces ordering between stores and
       instruction cache fetches.

       The range of addresses over which ordering is enforced is
       specified by start and end.

       The flags argument controls the extent of this ordering, with the
       default behavior (a flags value of 0) being to enforce the fence
       on all threads in the current process.  Setting the
       SYS_RISCV_FLUSH_ICACHE_LOCAL bit allows users to indicate that
       enforcing ordering on only the current thread is necessary.  All
       other flag bits are reserved.

STANDARDS         top

       Linux on RISC-V.

HISTORY         top

       Linux 4.15.  glibc 2.27.

SEE ALSO         top

       syscall(2)

COLOPHON         top

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Linux man-pages 6.15            2025-05-17        __riscv_flush_icache(3)

Pages that refer to this page: syscalls(2)

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