| ... | ... | @@ -45,33 +45,20 @@ pub fn clear_cache(start: usize, end: usize) callconv(.C) void { |
| 45 | 45 | @compileError("TODO"); |
| 46 | 46 | // FlushInstructionCache(GetCurrentProcess(), start, end - start); |
| 47 | 47 | } else if (arm32 and !apple) { |
| 48 | | @compileError("TODO"); |
| 49 | | //#if defined(__FreeBSD__) || defined(__NetBSD__) |
| 50 | | // struct arm_sync_icache_args arg; |
| 51 | | // |
| 52 | | // arg.addr = (uintptr_t)start; |
| 53 | | // arg.len = (uintptr_t)end - (uintptr_t)start; |
| 54 | | // |
| 55 | | // sysarch(ARM_SYNC_ICACHE, &arg); |
| 56 | | //#elif defined(__linux__) |
| 57 | | //// We used to include asm/unistd.h for the __ARM_NR_cacheflush define, but |
| 58 | | //// it also brought many other unused defines, as well as a dependency on |
| 59 | | //// kernel headers to be installed. |
| 60 | | //// |
| 61 | | //// This value is stable at least since Linux 3.13 and should remain so for |
| 62 | | //// compatibility reasons, warranting it's re-definition here. |
| 63 | | //#define __ARM_NR_cacheflush 0x0f0002 |
| 64 | | // register int start_reg __asm("r0") = (int)(intptr_t)start; |
| 65 | | // const register int end_reg __asm("r1") = (int)(intptr_t)end; |
| 66 | | // const register int flags __asm("r2") = 0; |
| 67 | | // const register int syscall_nr __asm("r7") = __ARM_NR_cacheflush; |
| 68 | | // __asm __volatile("svc 0x0" |
| 69 | | // : "=r"(start_reg) |
| 70 | | // : "r"(syscall_nr), "r"(start_reg), "r"(end_reg), "r"(flags)); |
| 71 | | // assert(start_reg == 0 && "Cache flush syscall failed."); |
| 72 | | //#else |
| 73 | | // compilerrt_abort(); |
| 74 | | //#endif |
| 48 | if (os == .freebsd or os == .netbsd) { |
| 49 | // struct arm_sync_icache_args arg; |
| 50 | // |
| 51 | // arg.addr = (uintptr_t)start; |
| 52 | // arg.len = (uintptr_t)end - (uintptr_t)start; |
| 53 | // |
| 54 | // sysarch(ARM_SYNC_ICACHE, &arg); |
| 55 | @compileError("TODO: implement for NetBSD/FreeBSD"); |
| 56 | } else if (os == .linux) { |
| 57 | const result = std.os.linux.syscall3(std.os.linux.SYS_cacheflush, start, end, 0); |
| 58 | std.debug.assert(result == 0); |
| 59 | } else { |
| 60 | @compileError("no __clear_cache implementation available for this target"); |
| 61 | } |
| 75 | 62 | } else if (os == .linux and mips) { |
| 76 | 63 | @compileError("TODO"); |
| 77 | 64 | //const uintptr_t start_int = (uintptr_t)start; |
Andrew Kelley <andrew@ziglang.org> 2020-03-30 23:15:33-04:00
Commit is signed but in an unrecognized format.
lib