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authorDerek Hower <drh5@cs.wisc.edu>2010-01-19 15:48:12 -0600
committerDerek Hower <drh5@cs.wisc.edu>2010-01-19 15:48:12 -0600
commit279f179babc9e5663156777c533c06edc91bce9a (patch)
treee6718ee514cc81678491b50562ce8c463c0b20fd /src/arch/arm/linux
parent5aa104e072eb20f6aca49b169521b0c2da33c844 (diff)
parent295516a590b6e47c9a881f193027447e500c749c (diff)
downloadgem5-279f179babc9e5663156777c533c06edc91bce9a.tar.xz
merge
Diffstat (limited to 'src/arch/arm/linux')
-rw-r--r--src/arch/arm/linux/linux.hh16
-rw-r--r--src/arch/arm/linux/process.cc12
-rw-r--r--src/arch/arm/linux/process.hh2
3 files changed, 24 insertions, 6 deletions
diff --git a/src/arch/arm/linux/linux.hh b/src/arch/arm/linux/linux.hh
index d99fa8e49..f829dd7c6 100644
--- a/src/arch/arm/linux/linux.hh
+++ b/src/arch/arm/linux/linux.hh
@@ -86,6 +86,7 @@ class ArmLinux : public Linux
static const unsigned TIOCISATTY_ = 0x2000745e;
static const unsigned TIOCGETS_ = 0x402c7413;
static const unsigned TIOCGETA_ = 0x40127417;
+ static const unsigned TCSETAW_ = 0x5407; // 2.6.15 kernel
//@}
/// For table().
@@ -147,6 +148,21 @@ class ArmLinux : public Linux
uint64_t st_ino;
} tgt_stat64;
+ 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;
+
};
diff --git a/src/arch/arm/linux/process.cc b/src/arch/arm/linux/process.cc
index 56e3588a7..f909d871a 100644
--- a/src/arch/arm/linux/process.cc
+++ b/src/arch/arm/linux/process.cc
@@ -50,7 +50,8 @@ static SyscallReturn
unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, 0));
+ int index = 0;
+ TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index));
strcpy(name->sysname, "Linux");
strcpy(name->nodename, "m5.eecs.umich.edu");
@@ -179,7 +180,7 @@ SyscallDesc ArmLinuxProcess::syscallDescs[] = {
/* 113 */ SyscallDesc("vm86", unimplementedFunc),
/* 114 */ SyscallDesc("wait4", unimplementedFunc),
/* 115 */ SyscallDesc("swapoff", unimplementedFunc),
- /* 116 */ SyscallDesc("sysinfo", unimplementedFunc),
+ /* 116 */ SyscallDesc("sysinfo", sysinfoFunc<ArmLinux>),
/* 117 */ SyscallDesc("ipc", unimplementedFunc),
/* 118 */ SyscallDesc("fsync", unimplementedFunc),
/* 119 */ SyscallDesc("sigreturn", unimplementedFunc),
@@ -417,7 +418,8 @@ static SyscallReturn
setTLSFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- uint32_t tlsPtr = process->getSyscallArg(tc, 0);
+ int index = 0;
+ uint32_t tlsPtr = process->getSyscallArg(tc, index);
tc->getMemPort()->writeBlob(ArmLinuxProcess::commPage + 0x0ff0,
(uint8_t *)&tlsPtr, sizeof(tlsPtr));
@@ -511,12 +513,12 @@ ArmLinuxProcess::startup()
}
ArmISA::IntReg
-ArmLinuxProcess::getSyscallArg(ThreadContext *tc, int i)
+ArmLinuxProcess::getSyscallArg(ThreadContext *tc, int &i)
{
// Linux apparently allows more parameter than the ABI says it should.
// This limit may need to be increased even further.
assert(i < 6);
- return tc->readIntReg(ArgumentReg0 + i);
+ return tc->readIntReg(ArgumentReg0 + i++);
}
void
diff --git a/src/arch/arm/linux/process.hh b/src/arch/arm/linux/process.hh
index 53b3781d2..ab836fab2 100644
--- a/src/arch/arm/linux/process.hh
+++ b/src/arch/arm/linux/process.hh
@@ -44,7 +44,7 @@ class ArmLinuxProcess : public ArmLiveProcess
void startup();
- ArmISA::IntReg getSyscallArg(ThreadContext *tc, int i);
+ ArmISA::IntReg getSyscallArg(ThreadContext *tc, int &i);
void setSyscallArg(ThreadContext *tc, int i, ArmISA::IntReg val);
/// The target system's hostname.