[Qemu-devel] [diff] BSD support (NetBSD, FreeBSD, Dragonfly)

[Aleksej Saushev <asau@inbox.ru>]

  Hello!

qemu 0.11.0 doesn't build on NetBSD out of the box,
it doesn't on FreeBSD and Dragonfly either.

--- exec.c.orig	2009-09-23 23:01:32.000000000 +0400
+++ exec.c	2009-09-30 14:03:55.000000000 +0400
@@ -464,7 +464,7 @@
             exit(1);
         }
     }
-#elif defined(__FreeBSD__) || defined(__DragonFly__)
+#elif defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__)
     {
         int flags;
         void *addr = NULL;
--- osdep.c.orig	2009-09-23 23:01:32.000000000 +0400
+++ osdep.c	2009-09-30 14:05:39.000000000 +0400
@@ -110,7 +110,7 @@
     void *ptr;
 
 /* no need (?) for a dummy file on OpenBSD/FreeBSD */
-#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
+#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__NetBSD__)
     int map_anon = MAP_ANON;
 #else
     int map_anon = 0;
@@ -181,7 +181,7 @@
     }
     size = (size + 4095) & ~4095;
     ftruncate(phys_ram_fd, phys_ram_size + size);
-#endif /* !(__OpenBSD__ || __FreeBSD__ || __DragonFly__) */
+#endif /* !(__OpenBSD__ || __FreeBSD__ || __DragonFly__ || __NetBSD__) */
     ptr = mmap(NULL,
                size,
                PROT_WRITE | PROT_READ, map_anon | MAP_SHARED,
--- vl.c.orig	2009-09-23 23:01:32.000000000 +0400
+++ vl.c	2009-09-30 14:10:21.000000000 +0400
@@ -567,7 +567,7 @@
 {
     use_rt_clock = 0;
 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
-    || defined(__DragonFly__)
+    || defined(__DragonFly__) || defined(__NetBSD__)
     {
         struct timespec ts;
         if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
@@ -580,7 +580,7 @@
 static int64_t get_clock(void)
 {
 #if defined(__linux__) || (defined(__FreeBSD__) && __FreeBSD_version >= 500000) \
-	|| defined(__DragonFly__)
+	|| defined(__DragonFly__) || defined(__NetBSD__)
     if (use_rt_clock) {
         struct timespec ts;
         clock_gettime(CLOCK_MONOTONIC, &ts);
--- cpu-exec.c.orig	2009-09-23 23:01:32.000000000 +0400
+++ cpu-exec.c	2009-09-30 14:18:16.000000000 +0400
@@ -1247,6 +1247,20 @@
 # define TRAP_sig(context)    ((context)->uc_mcontext->es.trapno)
 # define ERROR_sig(context)   ((context)->uc_mcontext->es.err)
 # define MASK_sig(context)    ((context)->uc_sigmask)
+#elif defined (__NetBSD__)
+# include <ucontext.h>
+
+# define EIP_sig(context)     ((context)->uc_mcontext.__gregs[_REG_EIP])
+# define TRAP_sig(context)    ((context)->uc_mcontext.__gregs[_REG_TRAPNO])
+# define ERROR_sig(context)   ((context)->uc_mcontext.__gregs[_REG_ERR])
+# define MASK_sig(context)    ((context)->uc_sigmask)
+#elif defined (__FreeBSD__) || defined(__DragonFly__)
+# include <ucontext.h>
+
+# define EIP_sig(context)  (*((unsigned long*)&(context)->uc_mcontext.mc_eip))
+# define TRAP_sig(context)    ((context)->uc_mcontext.mc_trapno)
+# define ERROR_sig(context)   ((context)->uc_mcontext.mc_err)
+# define MASK_sig(context)    ((context)->uc_sigmask)
 #elif defined(__OpenBSD__)
 # define EIP_sig(context)     ((context)->sc_eip)
 # define TRAP_sig(context)    ((context)->sc_trapno)
@@ -1263,7 +1277,9 @@
                        void *puc)
 {
     siginfo_t *info = pinfo;
-#if defined(__OpenBSD__)
+#if defined(__NetBSD__) || defined (__FreeBSD__) || defined(__DragonFly__)
+    ucontext_t *uc = puc;
+#elif defined(__OpenBSD__)
     struct sigcontext *uc = puc;
 #else
     struct ucontext *uc = puc;


-- 
HE CE3OH...