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Diffstat (limited to 'arch')
-rw-r--r--arch/alpha/alpha_linux_process.cc10
-rw-r--r--arch/alpha/alpha_tru64_process.cc50
-rw-r--r--arch/alpha/isa_traits.hh39
3 files changed, 68 insertions, 31 deletions
diff --git a/arch/alpha/alpha_linux_process.cc b/arch/alpha/alpha_linux_process.cc
index ba4b1d07e..600de4447 100644
--- a/arch/alpha/alpha_linux_process.cc
+++ b/arch/alpha/alpha_linux_process.cc
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003-2004 The Regents of The University of Michigan
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -232,7 +232,7 @@ class Linux {
static const char *hostname;
/// Target uname() handler.
- static int
+ static SyscallReturn
unameFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -251,7 +251,7 @@ class Linux {
/// Target osf_getsysyinfo() handler. Even though this call is
/// borrowed from Tru64, the subcases that get used appear to be
/// different in practice from those used by Tru64 processes.
- static int
+ static SyscallReturn
osf_getsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -278,7 +278,7 @@ class Linux {
}
/// Target osf_setsysinfo() handler.
- static int
+ static SyscallReturn
osf_setsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -306,7 +306,7 @@ class Linux {
}
/// Target fnctl() handler.
- static int
+ static SyscallReturn
fcntlFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
diff --git a/arch/alpha/alpha_tru64_process.cc b/arch/alpha/alpha_tru64_process.cc
index 149569f14..22e74cb40 100644
--- a/arch/alpha/alpha_tru64_process.cc
+++ b/arch/alpha/alpha_tru64_process.cc
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001-2004 The Regents of The University of Michigan
+ * Copyright (c) 2001-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -476,7 +476,7 @@ class Tru64 {
static const char *hostname;
/// Target uname() handler.
- static int
+ static SyscallReturn
unameFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -494,7 +494,7 @@ class Tru64 {
/// Target getsysyinfo() handler.
- static int
+ static SyscallReturn
getsysinfoFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -574,7 +574,7 @@ class Tru64 {
}
/// Target fnctl() handler.
- static int
+ static SyscallReturn
fcntlFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -618,7 +618,7 @@ class Tru64 {
/// Target getdirentries() handler.
- static int
+ static SyscallReturn
getdirentriesFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -669,11 +669,11 @@ class Tru64 {
*basep = host_basep;
basep.copyOut(xc->mem);
- return (tgt_buf_ptr - tgt_buf);
+ return tgt_buf_ptr - tgt_buf;
}
/// Target sigreturn() handler.
- static int
+ static SyscallReturn
sigreturnFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -699,7 +699,7 @@ class Tru64 {
}
/// Target table() handler.
- static int
+ static SyscallReturn
tableFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -749,7 +749,7 @@ class Tru64 {
//
/// Create a stack region for a thread.
- static int
+ static SyscallReturn
stack_createFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -776,7 +776,7 @@ class Tru64 {
/// This call sets up the interface between the user and kernel
/// schedulers by creating a shared-memory region. The shared memory
/// region has several structs, some global, some per-RAD, some per-VP.
- static int
+ static SyscallReturn
nxm_task_initFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -899,7 +899,7 @@ class Tru64 {
}
/// Create thread.
- static int
+ static SyscallReturn
nxm_thread_createFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1011,7 +1011,7 @@ class Tru64 {
}
/// Thread idle call (like yield()).
- static int
+ static SyscallReturn
nxm_idleFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1019,7 +1019,7 @@ class Tru64 {
}
/// Block thread.
- static int
+ static SyscallReturn
nxm_thread_blockFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1036,7 +1036,7 @@ class Tru64 {
}
/// block.
- static int
+ static SyscallReturn
nxm_blockFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1057,7 +1057,7 @@ class Tru64 {
}
/// Unblock thread.
- static int
+ static SyscallReturn
nxm_unblockFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1070,7 +1070,7 @@ class Tru64 {
}
/// Switch thread priority.
- static int
+ static SyscallReturn
swtch_priFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1081,7 +1081,7 @@ class Tru64 {
//
// Since we assume at most one "kernel" thread per CPU, it's
// always safe to return false here.
- return false;
+ return 0; //false;
}
@@ -1154,7 +1154,7 @@ class Tru64 {
}
/// Lock acquire syscall handler.
- static int
+ static SyscallReturn
m5_mutex_lockFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1169,7 +1169,7 @@ class Tru64 {
}
/// Try lock (non-blocking).
- static int
+ static SyscallReturn
m5_mutex_trylockFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1189,7 +1189,7 @@ class Tru64 {
}
/// Unlock syscall handler.
- static int
+ static SyscallReturn
m5_mutex_unlockFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1201,7 +1201,7 @@ class Tru64 {
}
/// Signal ocndition.
- static int
+ static SyscallReturn
m5_cond_signalFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1214,7 +1214,7 @@ class Tru64 {
}
/// Wake up all processes waiting on the condition variable.
- static int
+ static SyscallReturn
m5_cond_broadcastFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1226,7 +1226,7 @@ class Tru64 {
}
/// Wait on a condition.
- static int
+ static SyscallReturn
m5_cond_waitFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1248,7 +1248,7 @@ class Tru64 {
}
/// Thread exit.
- static int
+ static SyscallReturn
m5_thread_exitFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
@@ -1291,7 +1291,7 @@ class Tru64 {
}
/// Indirect syscall invocation (call #0).
- static int
+ static SyscallReturn
indirectSyscallFunc(SyscallDesc *desc, int callnum, Process *process,
ExecContext *xc)
{
diff --git a/arch/alpha/isa_traits.hh b/arch/alpha/isa_traits.hh
index 9e286924b..9c7709a60 100644
--- a/arch/alpha/isa_traits.hh
+++ b/arch/alpha/isa_traits.hh
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003-2004 The Regents of The University of Michigan
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -290,6 +290,43 @@ const int ArgumentReg1 = TheISA::ArgumentReg1;
const int BranchPredAddrShiftAmt = TheISA::BranchPredAddrShiftAmt;
const int MaxAddr = (Addr)-1;
+#ifndef FULL_SYSTEM
+class SyscallReturn {
+ public:
+ template <class T>
+ SyscallReturn(T v, bool s)
+ {
+ retval = (uint64_t)v;
+ success = s;
+ }
+
+ template <class T>
+ SyscallReturn(T v)
+ {
+ success = (v >= 0);
+ retval = (uint64_t)v;
+ }
+
+ ~SyscallReturn() {}
+
+ SyscallReturn& operator=(const SyscallReturn& s) {
+ retval = s.retval;
+ success = s.success;
+ return *this;
+ }
+
+ bool successful() { return success; }
+ uint64_t value() { return retval; }
+
+
+ private:
+ uint64_t retval;
+ bool success;
+};
+
+#endif
+
+
#ifdef FULL_SYSTEM
typedef TheISA::InternalProcReg InternalProcReg;
const int NumInternalProcRegs = TheISA::NumInternalProcRegs;
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-16 06:58:07 +0000