Author: jhb Date: Wed Nov 7 18:27:43 2018 New Revision: 340228 URL: https://svnweb.freebsd.org/changeset/base/340228
Log: Enable use of a global shared page for RISC-V. machine/vmparam.h already defines the SHAREDPAGE constant. This change just enables it for ELF executables. The only use of the shared page currently is to hold the signal trampoline. Reviewed by: markj, kib Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D17875 Modified: head/sys/riscv/riscv/elf_machdep.c Modified: head/sys/riscv/riscv/elf_machdep.c ============================================================================== --- head/sys/riscv/riscv/elf_machdep.c Wed Nov 7 18:12:18 2018 (r340227) +++ head/sys/riscv/riscv/elf_machdep.c Wed Nov 7 18:27:43 2018 (r340228) @@ -83,10 +83,12 @@ struct sysentvec elf64_freebsd_sysvec = { .sv_setregs = exec_setregs, .sv_fixlimit = NULL, .sv_maxssiz = NULL, - .sv_flags = SV_ABI_FREEBSD | SV_LP64, + .sv_flags = SV_ABI_FREEBSD | SV_LP64 | SV_SHP, .sv_set_syscall_retval = cpu_set_syscall_retval, .sv_fetch_syscall_args = cpu_fetch_syscall_args, .sv_syscallnames = syscallnames, + .sv_shared_page_base = SHAREDPAGE, + .sv_shared_page_len = PAGE_SIZE, .sv_schedtail = NULL, .sv_thread_detach = NULL, .sv_trap = NULL, _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
