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authorVince Weaver <vince@csl.cornell.edu>2009-09-15 22:36:47 -0700
committerVince Weaver <vince@csl.cornell.edu>2009-09-15 22:36:47 -0700
commit9b8e61beb38af081454ffd5e06d14458080b98e0 (patch)
tree8855dd8467c3ae14f00eb413478976501ce3f9f3 /src/arch/x86/linux
parent0f569b4d9dd5b7be253d45c22e9c40f615e90ecd (diff)
downloadgem5-9b8e61beb38af081454ffd5e06d14458080b98e0.tar.xz
Syscalls: Implement sysinfo() syscall.
Diffstat (limited to 'src/arch/x86/linux')
-rw-r--r--src/arch/x86/linux/linux.hh31
-rw-r--r--src/arch/x86/linux/syscalls.cc4
2 files changed, 33 insertions, 2 deletions
diff --git a/src/arch/x86/linux/linux.hh b/src/arch/x86/linux/linux.hh
index c2941c769..d5bead8f3 100644
--- a/src/arch/x86/linux/linux.hh
+++ b/src/arch/x86/linux/linux.hh
@@ -111,6 +111,22 @@ class X86Linux64 : public Linux
uint64_t iov_base; // void *
uint64_t iov_len; // size_t
} tgt_iovec;
+
+ typedef struct {
+ int64_t uptime; /* Seconds since boot */
+ uint64_t loads[3]; /* 1, 5, and 15 minute load averages */
+ uint64_t totalram; /* Total usable main memory size */
+ uint64_t freeram; /* Available memory size */
+ uint64_t sharedram; /* Amount of shared memory */
+ uint64_t bufferram; /* Memory used by buffers */
+ uint64_t totalswap; /* Total swap space size */
+ uint64_t freeswap; /* swap space still available */
+ uint16_t procs; /* Number of current processes */
+ uint64_t totalhigh; /* Total high memory size */
+ uint64_t freehigh; /* Available high memory size */
+ uint64_t mem_unit; /* Memory unit size in bytes */
+ } tgt_sysinfo;
+
};
class X86Linux32 : public Linux
@@ -160,6 +176,21 @@ class X86Linux32 : public Linux
static const int NUM_OPEN_FLAGS;
static const unsigned TGT_MAP_ANONYMOUS = 0x20;
+
+ typedef struct {
+ int32_t uptime; /* Seconds since boot */
+ uint32_t loads[3]; /* 1, 5, and 15 minute load averages */
+ uint32_t totalram; /* Total usable main memory size */
+ uint32_t freeram; /* Available memory size */
+ uint32_t sharedram; /* Amount of shared memory */
+ uint32_t bufferram; /* Memory used by buffers */
+ uint32_t totalswap; /* Total swap space size */
+ uint32_t freeswap; /* swap space still available */
+ uint16_t procs; /* Number of current processes */
+ uint32_t totalhigh; /* Total high memory size */
+ uint32_t freehigh; /* Available high memory size */
+ uint32_t mem_unit; /* Memory unit size in bytes */
+ } tgt_sysinfo;
};
#endif
diff --git a/src/arch/x86/linux/syscalls.cc b/src/arch/x86/linux/syscalls.cc
index 5a425ed9a..52352ee80 100644
--- a/src/arch/x86/linux/syscalls.cc
+++ b/src/arch/x86/linux/syscalls.cc
@@ -327,7 +327,7 @@ SyscallDesc X86_64LinuxProcess::syscallDescs[] = {
/* 96 */ SyscallDesc("gettimeofday", unimplementedFunc),
/* 97 */ SyscallDesc("getrlimit", unimplementedFunc),
/* 98 */ SyscallDesc("getrusage", unimplementedFunc),
- /* 99 */ SyscallDesc("sysinfo", unimplementedFunc),
+ /* 99 */ SyscallDesc("sysinfo", sysinfoFunc<X86Linux64>),
/* 100 */ SyscallDesc("times", unimplementedFunc),
/* 101 */ SyscallDesc("ptrace", unimplementedFunc),
/* 102 */ SyscallDesc("getuid", getuidFunc),
@@ -623,7 +623,7 @@ SyscallDesc I386LinuxProcess::syscallDescs[] = {
/* 113 */ SyscallDesc("vm86old", unimplementedFunc),
/* 114 */ SyscallDesc("wait4", unimplementedFunc),
/* 115 */ SyscallDesc("swapoff", unimplementedFunc),
- /* 116 */ SyscallDesc("sysinfo", unimplementedFunc),
+ /* 116 */ SyscallDesc("sysinfo", sysinfoFunc<X86Linux32>),
/* 117 */ SyscallDesc("ipc", unimplementedFunc),
/* 118 */ SyscallDesc("fsync", unimplementedFunc),
/* 119 */ SyscallDesc("sigreturn", unimplementedFunc),