From 06e67a82da7b0d2bb2bdada0ec7122032a330312 Mon Sep 17 00:00:00 2001 From: aliguori Date: Sat, 27 Sep 2008 15:32:41 +0000 Subject: [PATCH] Allocate code gen buffer properly on FreeBSD Signed-off-by: Juergen Lock Signed-off-by: Anthony Liguori git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5331 c046a42c-6fe2-441c-8c8c-71466251a162 --- exec.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/exec.c b/exec.c index cb9a7eb34c..4fb3aee452 100644 --- a/exec.c +++ b/exec.c @@ -443,6 +443,28 @@ static void code_gen_alloc(unsigned long tb_size) exit(1); } } +#elif defined(__FreeBSD__) + { + int flags; + void *addr = NULL; + flags = MAP_PRIVATE | MAP_ANONYMOUS; +#if defined(__x86_64__) + /* FreeBSD doesn't have MAP_32BIT, use MAP_FIXED and assume + * 0x40000000 is free */ + flags |= MAP_FIXED; + addr = (void *)0x40000000; + /* Cannot map more than that */ + if (code_gen_buffer_size > (800 * 1024 * 1024)) + code_gen_buffer_size = (800 * 1024 * 1024); +#endif + code_gen_buffer = mmap(addr, code_gen_buffer_size, + PROT_WRITE | PROT_READ | PROT_EXEC, + flags, -1, 0); + if (code_gen_buffer == MAP_FAILED) { + fprintf(stderr, "Could not allocate dynamic translator buffer\n"); + exit(1); + } + } #else code_gen_buffer = qemu_malloc(code_gen_buffer_size); if (!code_gen_buffer) {