diff options
| author | Brandon Potter <brandon.potter@amd.com> | 2016-12-15 13:16:03 -0500 |
|---|---|---|
| committer | Brandon Potter <brandon.potter@amd.com> | 2016-12-15 13:16:03 -0500 |
| commit | 68e9c0e73b1466b7e43c77a75cd38913afcfcafe (patch) | |
| tree | 7be99d46777d396d8706620ee9d4c7791712eac1 /src/sim | |
| parent | 4ff1b165d007c50c0c4700eb8ecafa1e700bc7aa (diff) | |
| download | gem5-68e9c0e73b1466b7e43c77a75cd38913afcfcafe.tar.xz | |
syscall_emul: add support for x86 statfs system calls
Diffstat (limited to 'src/sim')
| -rw-r--r-- | src/sim/syscall_emul.hh | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh index 53da9197b..bf7ec1ae7 100644 --- a/src/sim/syscall_emul.hh +++ b/src/sim/syscall_emul.hh @@ -62,6 +62,7 @@ #include <fcntl.h> #include <sys/mman.h> #include <sys/stat.h> +#include <sys/statfs.h> #include <sys/time.h> #include <sys/uio.h> #include <unistd.h> @@ -451,6 +452,7 @@ getElapsedTimeNano(T1 &sec, T2 &nsec) // ////////////////////////////////////////////////////////////////////// + typedef struct statfs hst_statfs; #if NO_STAT64 typedef struct stat hst_stat; typedef struct stat hst_stat64; @@ -556,6 +558,32 @@ copyOutStat64Buf(SETranslatingPortProxy &mem, Addr addr, tgt.copyOut(mem); } +template <class OS> +static void +copyOutStatfsBuf(SETranslatingPortProxy &mem, Addr addr, + hst_statfs *host) +{ + TypedBufferArg<typename OS::tgt_statfs> tgt(addr); + +#if defined(__OpenBSD__) || defined(__APPLE__) || defined(__FreeBSD__) + tgt->f_type = 0; +#else + tgt->f_type = TheISA::htog(host->f_type); +#endif + tgt->f_bsize = TheISA::htog(host->f_bsize); + tgt->f_blocks = TheISA::htog(host->f_blocks); + tgt->f_bfree = TheISA::htog(host->f_bfree); + tgt->f_bavail = TheISA::htog(host->f_bavail); + tgt->f_files = TheISA::htog(host->f_files); + tgt->f_ffree = TheISA::htog(host->f_ffree); + memcpy(&tgt->f_fsid, &host->f_fsid, sizeof(host->f_fsid)); + tgt->f_namelen = TheISA::htog(host->f_namelen); + tgt->f_frsize = TheISA::htog(host->f_frsize); + memcpy(&tgt->f_spare, &host->f_spare, sizeof(host->f_spare)); + + tgt.copyOut(mem); +} + /// Target ioctl() handler. For the most part, programs call ioctl() /// only to find out if their stdout is a tty, to determine whether to /// do line or block buffering. We always claim that output fds are @@ -1156,7 +1184,7 @@ statfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process, if (result < 0) return -errno; - OS::copyOutStatfsBuf(tc->getMemProxy(), bufPtr, &hostBuf); + copyOutStatfsBuf<OS>(tc->getMemProxy(), bufPtr, &hostBuf); return 0; } @@ -1182,7 +1210,7 @@ fstatfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process, if (result < 0) return -errno; - OS::copyOutStatfsBuf(tc->getMemProxy(), bufPtr, &hostBuf); + copyOutStatfsBuf<OS>(tc->getMemProxy(), bufPtr, &hostBuf); return 0; } |