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arch-riscv,sim-se: Support RV32 register ABI call

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1. Add RegABI32, SyscallABI32
2. Support parse function arguments to host and save result to registers
3. Add write to ThreadPointerReg in archClone
4. Support RV32 M5Op syscall

Change-Id: Ie327b517f41b5d633d2741b6abb5be955281c838
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/65532
Tested-by: kokoro <noreply+kokoro@google.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Yu-hsin Wang <yuhsingw@google.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
This commit is contained in:
Roger Chang
2022-11-15 13:48:53 +00:00
parent e4be93b55f
commit f2562152e8
7 changed files with 67 additions and 10 deletions
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4
src/arch/riscv/linux/linux.hh
View File

@@ -371,8 +371,10 @@ class RiscvLinux32 : public RiscvLinux, public OpenFlagTable<RiscvLinux32>
uint64_t stack, uint64_t tls)
{
ctc->getIsaPtr()->copyRegsFrom(ptc);
if (flags & TGT_CLONE_SETTLS)
ctc->setReg(RiscvISA::ThreadPointerReg, sext<32>(tls));
if (stack)
ctc->setReg(RiscvISA::StackPointerReg, stack);
ctc->setReg(RiscvISA::StackPointerReg, sext<32>(stack));
}
};

4
src/arch/riscv/linux/se_workload.cc
View File

@@ -123,7 +123,7 @@ unameFunc32(SyscallDesc *desc, ThreadContext *tc, VPtr<Linux::utsname> name)
return 0;
}
SyscallDescTable<SEWorkload::SyscallABI> EmuLinux::syscallDescs64 = {
SyscallDescTable<SEWorkload::SyscallABI64> EmuLinux::syscallDescs64 = {
{ 0, "io_setup" },
{ 1, "io_destroy" },
{ 2, "io_submit" },
@@ -462,7 +462,7 @@ SyscallDescTable<SEWorkload::SyscallABI> EmuLinux::syscallDescs64 = {
{ 2011, "getmainvars" }
};
SyscallDescTable<SEWorkload::SyscallABI> EmuLinux::syscallDescs32 = {
SyscallDescTable<SEWorkload::SyscallABI32> EmuLinux::syscallDescs32 = {
{ 0, "io_setup" },
{ 1, "io_destroy" },
{ 2, "io_submit" },

4
src/arch/riscv/linux/se_workload.hh
View File

@@ -47,10 +47,10 @@ class EmuLinux : public SEWorkload
protected:
/// 64 bit syscall descriptors, indexed by call number.
static SyscallDescTable<SEWorkload::SyscallABI> syscallDescs64;
static SyscallDescTable<SEWorkload::SyscallABI64> syscallDescs64;
/// 32 bit syscall descriptors, indexed by call number.
static SyscallDescTable<SEWorkload::SyscallABI> syscallDescs32;
static SyscallDescTable<SEWorkload::SyscallABI32> syscallDescs32;
public:
using Params = RiscvEmuLinuxParams;