summaryrefslogtreecommitdiff
path: root/src/arch/alpha
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/alpha')
-rw-r--r--src/arch/alpha/linux/process.cc15
-rw-r--r--src/arch/alpha/process.cc4
-rw-r--r--src/arch/alpha/process.hh2
-rw-r--r--src/arch/alpha/tru64/process.cc41
4 files changed, 36 insertions, 26 deletions
diff --git a/src/arch/alpha/linux/process.cc b/src/arch/alpha/linux/process.cc
index 0f09e472b..a653d7845 100644
--- a/src/arch/alpha/linux/process.cc
+++ b/src/arch/alpha/linux/process.cc
@@ -48,7 +48,8 @@ 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");
@@ -67,13 +68,15 @@ static SyscallReturn
osf_getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- unsigned op = process->getSyscallArg(tc, 0);
+ int index = 0;
+ unsigned op = process->getSyscallArg(tc, index);
+ Addr bufPtr = process->getSyscallArg(tc, index);
// unsigned nbytes = process->getSyscallArg(tc, 2);
switch (op) {
case 45: { // GSI_IEEE_FP_CONTROL
- TypedBufferArg<uint64_t> fpcr(process->getSyscallArg(tc, 1));
+ TypedBufferArg<uint64_t> fpcr(bufPtr);
// I don't think this exactly matches the HW FPCR
*fpcr = 0;
fpcr.copyOut(tc->getMemPort());
@@ -94,13 +97,15 @@ static SyscallReturn
osf_setsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- unsigned op = process->getSyscallArg(tc, 0);
+ int index = 0;
+ unsigned op = process->getSyscallArg(tc, index);
+ Addr bufPtr = process->getSyscallArg(tc, index);
// unsigned nbytes = process->getSyscallArg(tc, 2);
switch (op) {
case 14: { // SSI_IEEE_FP_CONTROL
- TypedBufferArg<uint64_t> fpcr(process->getSyscallArg(tc, 1));
+ TypedBufferArg<uint64_t> fpcr(bufPtr);
// I don't think this exactly matches the HW FPCR
fpcr.copyIn(tc->getMemPort());
DPRINTFR(SyscallVerbose, "osf_setsysinfo(SSI_IEEE_FP_CONTROL): "
diff --git a/src/arch/alpha/process.cc b/src/arch/alpha/process.cc
index 6aad45da8..9d75d5fa1 100644
--- a/src/arch/alpha/process.cc
+++ b/src/arch/alpha/process.cc
@@ -193,10 +193,10 @@ AlphaLiveProcess::startup()
}
AlphaISA::IntReg
-AlphaLiveProcess::getSyscallArg(ThreadContext *tc, int i)
+AlphaLiveProcess::getSyscallArg(ThreadContext *tc, int &i)
{
assert(i < 6);
- return tc->readIntReg(FirstArgumentReg + i);
+ return tc->readIntReg(FirstArgumentReg + i++);
}
void
diff --git a/src/arch/alpha/process.hh b/src/arch/alpha/process.hh
index 6d083c5ac..36b25a48e 100644
--- a/src/arch/alpha/process.hh
+++ b/src/arch/alpha/process.hh
@@ -44,7 +44,7 @@ class AlphaLiveProcess : public LiveProcess
void argsInit(int intSize, int pageSize);
public:
- AlphaISA::IntReg getSyscallArg(ThreadContext *tc, int i);
+ AlphaISA::IntReg getSyscallArg(ThreadContext *tc, int &i);
void setSyscallArg(ThreadContext *tc, int i, AlphaISA::IntReg val);
void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value);
};
diff --git a/src/arch/alpha/tru64/process.cc b/src/arch/alpha/tru64/process.cc
index 8fa3cdeda..b039fbe19 100644
--- a/src/arch/alpha/tru64/process.cc
+++ b/src/arch/alpha/tru64/process.cc
@@ -45,7 +45,8 @@ static SyscallReturn
unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- TypedBufferArg<AlphaTru64::utsname> name(process->getSyscallArg(tc, 0));
+ int index = 0;
+ TypedBufferArg<AlphaTru64::utsname> name(process->getSyscallArg(tc, index));
strcpy(name->sysname, "OSF1");
strcpy(name->nodename, "m5.eecs.umich.edu");
@@ -62,35 +63,36 @@ static SyscallReturn
getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- unsigned op = process->getSyscallArg(tc, 0);
- unsigned nbytes = process->getSyscallArg(tc, 2);
+ int index = 0;
+ unsigned op = process->getSyscallArg(tc, index);
+ Addr bufPtr = process->getSyscallArg(tc, index);
+ unsigned nbytes = process->getSyscallArg(tc, index);
switch (op) {
case AlphaTru64::GSI_MAX_CPU: {
- TypedBufferArg<uint32_t> max_cpu(process->getSyscallArg(tc, 1));
+ TypedBufferArg<uint32_t> max_cpu(bufPtr);
*max_cpu = htog((uint32_t)process->numCpus());
max_cpu.copyOut(tc->getMemPort());
return 1;
}
case AlphaTru64::GSI_CPUS_IN_BOX: {
- TypedBufferArg<uint32_t> cpus_in_box(process->getSyscallArg(tc, 1));
+ TypedBufferArg<uint32_t> cpus_in_box(bufPtr);
*cpus_in_box = htog((uint32_t)process->numCpus());
cpus_in_box.copyOut(tc->getMemPort());
return 1;
}
case AlphaTru64::GSI_PHYSMEM: {
- TypedBufferArg<uint64_t> physmem(process->getSyscallArg(tc, 1));
+ TypedBufferArg<uint64_t> physmem(bufPtr);
*physmem = htog((uint64_t)1024 * 1024); // physical memory in KB
physmem.copyOut(tc->getMemPort());
return 1;
}
case AlphaTru64::GSI_CPU_INFO: {
- TypedBufferArg<AlphaTru64::cpu_info>
- infop(process->getSyscallArg(tc, 1));
+ TypedBufferArg<AlphaTru64::cpu_info> infop(bufPtr);
infop->current_cpu = htog(0);
infop->cpus_in_box = htog(process->numCpus());
@@ -107,14 +109,14 @@ getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
}
case AlphaTru64::GSI_PROC_TYPE: {
- TypedBufferArg<uint64_t> proc_type(process->getSyscallArg(tc, 1));
+ TypedBufferArg<uint64_t> proc_type(bufPtr);
*proc_type = htog((uint64_t)11);
proc_type.copyOut(tc->getMemPort());
return 1;
}
case AlphaTru64::GSI_PLATFORM_NAME: {
- BufferArg bufArg(process->getSyscallArg(tc, 1), nbytes);
+ BufferArg bufArg(bufPtr, nbytes);
strncpy((char *)bufArg.bufferPtr(),
"COMPAQ Professional Workstation XP1000",
nbytes);
@@ -123,7 +125,7 @@ getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
}
case AlphaTru64::GSI_CLK_TCK: {
- TypedBufferArg<uint64_t> clk_hz(process->getSyscallArg(tc, 1));
+ TypedBufferArg<uint64_t> clk_hz(bufPtr);
*clk_hz = htog((uint64_t)1024);
clk_hz.copyOut(tc->getMemPort());
return 1;
@@ -142,12 +144,13 @@ static SyscallReturn
setsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
- unsigned op = process->getSyscallArg(tc, 0);
+ int index = 0;
+ unsigned op = process->getSyscallArg(tc, index);
switch (op) {
case AlphaTru64::SSI_IEEE_FP_CONTROL:
warn("setsysinfo: ignoring ieee_set_fp_control() arg 0x%x\n",
- process->getSyscallArg(tc, 1));
+ process->getSyscallArg(tc, index));
break;
default:
@@ -165,17 +168,19 @@ tableFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
{
using namespace std;
- int id = process->getSyscallArg(tc, 0); // table ID
- int index = process->getSyscallArg(tc, 1); // index into table
+ int argIndex = 0;
+ int id = process->getSyscallArg(tc, argIndex); // table ID
+ int index = process->getSyscallArg(tc, argIndex); // index into table
+ Addr bufPtr = process->getSyscallArg(tc, argIndex);
// arg 2 is buffer pointer; type depends on table ID
- int nel = process->getSyscallArg(tc, 3); // number of elements
- int lel = process->getSyscallArg(tc, 4); // expected element size
+ int nel = process->getSyscallArg(tc, argIndex); // number of elements
+ int lel = process->getSyscallArg(tc, argIndex); // expected element size
switch (id) {
case AlphaTru64::TBL_SYSINFO: {
if (index != 0 || nel != 1 || lel != sizeof(Tru64::tbl_sysinfo))
return -EINVAL;
- TypedBufferArg<Tru64::tbl_sysinfo> elp(process->getSyscallArg(tc, 2));
+ TypedBufferArg<Tru64::tbl_sysinfo> elp(bufPtr);
const int clk_hz = one_million;
elp->si_user = htog(curTick / (Clock::Frequency / clk_hz));
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-03 05:54:22 +0000