[diff] BSD support (NetBSD, FreeBSD, Dragonfly)

Hello!

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

Hello!

Is there any progress? Anything wrong?


Aleksej Saushev <asau@inbox.ru> writes:

> 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;