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-rw-r--r--arch/mips/SConscript1
-rw-r--r--arch/mips/faults.cc10
-rw-r--r--arch/mips/faults.hh20
-rw-r--r--arch/mips/isa/base.isa2
-rw-r--r--arch/mips/isa/bitfields.isa1
-rw-r--r--arch/mips/isa/decoder.isa383
-rw-r--r--arch/mips/isa/formats/branch.isa2
-rw-r--r--arch/mips/isa/formats/int.isa19
-rw-r--r--arch/mips/isa/formats/mem.isa8
-rw-r--r--arch/mips/isa/formats/unimp.isa3
-rw-r--r--arch/mips/isa/formats/unknown.isa28
-rw-r--r--arch/mips/isa/formats/util.isa4
-rw-r--r--arch/mips/isa/includes.isa3
-rw-r--r--arch/mips/isa/operands.isa2
-rw-r--r--arch/mips/isa_traits.hh36
-rw-r--r--arch/mips/linux_process.cc41
-rw-r--r--arch/mips/mips_linux.cc70
-rw-r--r--arch/mips/mips_linux.hh124
18 files changed, 643 insertions, 114 deletions
diff --git a/arch/mips/SConscript b/arch/mips/SConscript
index 73d588f84..06b313203 100644
--- a/arch/mips/SConscript
+++ b/arch/mips/SConscript
@@ -57,6 +57,7 @@ full_system_sources = Split('''
# Syscall emulation (non-full-system) sources
syscall_emulation_sources = Split('''
+ mips_linux.cc
linux_process.cc
process.cc
''')
diff --git a/arch/mips/faults.cc b/arch/mips/faults.cc
index 1b31dfa69..a31856f07 100644
--- a/arch/mips/faults.cc
+++ b/arch/mips/faults.cc
@@ -98,6 +98,10 @@ FaultName IntegerOverflowFault::_name = "intover";
FaultVect IntegerOverflowFault::_vect = 0x0501;
FaultStat IntegerOverflowFault::_count;
+FaultName UnimpFault::_name = "Unimplemented Simulator feature";
+FaultVect UnimpFault::_vect = 0x0001;
+FaultStat UnimpFault::_count;
+
#if FULL_SYSTEM
void MipsFault::invoke(ExecContext * xc)
@@ -125,6 +129,12 @@ void ArithmeticFault::invoke(ExecContext * xc)
panic("Arithmetic traps are unimplemented!");
}
+void UnimpFault::invoke(ExecContext * xc)
+{
+ FaultBase::invoke(xc);
+ panic("Unimpfault: %s\n", panicStr.c_str());
+}
+
#endif
} // namespace MipsISA
diff --git a/arch/mips/faults.hh b/arch/mips/faults.hh
index 0bdabe29e..b0d228090 100644
--- a/arch/mips/faults.hh
+++ b/arch/mips/faults.hh
@@ -264,6 +264,26 @@ class IntegerOverflowFault : public MipsFault
FaultStat & countStat() {return _count;}
};
+class UnimpFault : public MipsFault
+{
+ private:
+ std::string panicStr;
+ static FaultName _name;
+ static FaultVect _vect;
+ static FaultStat _count;
+ public:
+ UnimpFault(std::string _str)
+ : panicStr(_str)
+ { }
+
+ FaultName name() {return _name;}
+ FaultVect vect() {return _vect;}
+ FaultStat & countStat() {return _count;}
+#if FULL_SYSTEM
+ void invoke(ExecContext * xc);
+#endif
+};
+
} // MipsISA namespace
#endif // __FAULTS_HH__
diff --git a/arch/mips/isa/base.isa b/arch/mips/isa/base.isa
index 139a6d876..9ed9651d2 100644
--- a/arch/mips/isa/base.isa
+++ b/arch/mips/isa/base.isa
@@ -9,8 +9,6 @@
output header {{
#define R31 31
-#include "arch/mips/faults.hh"
-#include "arch/mips/isa_traits.hh"
using namespace MipsISA;
diff --git a/arch/mips/isa/bitfields.isa b/arch/mips/isa/bitfields.isa
index 58d487ad2..eb917595c 100644
--- a/arch/mips/isa/bitfields.isa
+++ b/arch/mips/isa/bitfields.isa
@@ -26,6 +26,7 @@ def bitfield RS <25:21>;
def bitfield RS_MSB <25:25>;
def bitfield RS_HI <25:24>;
def bitfield RS_LO <23:21>;
+def bitfield RS_SRL <25:22>;
def bitfield RD <15:11>;
diff --git a/arch/mips/isa/decoder.isa b/arch/mips/isa/decoder.isa
index 2df2b0403..077f0afd0 100644
--- a/arch/mips/isa/decoder.isa
+++ b/arch/mips/isa/decoder.isa
@@ -43,14 +43,30 @@ decode OPCODE_HI default Unknown::unknown() {
}
- 0x2: decode SRL {
- 0: srl({{ Rd = Rt.uw >> SA; }});
+ 0x2: decode RS_SRL {
+ 0x0:decode SRL {
+ 0: srl({{ Rd = Rt.uw >> SA; }});
- //Hardcoded assuming 32-bit ISA, probably need parameter here
- 1: rotr({{ Rd = (Rt.uw << (32 - SA)) | (Rt.uw >> SA);}});
+ //Hardcoded assuming 32-bit ISA, probably need parameter here
+ 1: rotr({{ Rd = (Rt.uw << (32 - SA)) | (Rt.uw >> SA);}});
+ }
}
- 0x3: sra({{ Rd = Rt.sw >> SA; }});
+ 0x3: decode RS {
+ 0x0: sra({{
+ uint32_t temp = Rt >> SA;
+
+ if ( (Rt & 0x80000000) > 0 ) {
+ uint32_t mask = 0x80000000;
+ for(int i=0; i < SA; i++) {
+ temp |= mask;
+ mask = mask >> 1;
+ }
+ }
+
+ Rd = temp;
+ }});
+ }
0x4: sllv({{ Rd = Rt.uw << Rs<4:0>; }});
@@ -61,7 +77,21 @@ decode OPCODE_HI default Unknown::unknown() {
1: rotrv({{ Rd = (Rt.uw << (32 - Rs<4:0>)) | (Rt.uw >> Rs<4:0>);}});
}
- 0x7: srav({{ Rd = Rt.sw >> Rs<4:0>; }});
+ 0x7: srav({{
+ int shift_amt = Rs<4:0>;
+
+ uint32_t temp = Rt >> shift_amt;
+
+ if ( (Rt & 0x80000000) > 0 ) {
+ uint32_t mask = 0x80000000;
+ for(int i=0; i < shift_amt; i++) {
+ temp |= mask;
+ mask = mask >> 1;
+ }
+ }
+
+ Rd = temp;
+ }});
}
}
@@ -107,13 +137,13 @@ decode OPCODE_HI default Unknown::unknown() {
0x3: decode FUNCTION_LO {
format IntOp {
0x0: mult({{
- int64_t temp1 = Rs.sw * Rt.sw;
+ int64_t temp1 = Rs.sd * Rt.sd;
xc->setMiscReg(Hi,temp1<63:32>);
xc->setMiscReg(Lo,temp1<31:0>);
}});
0x1: multu({{
- int64_t temp1 = Rs.uw * Rt.uw;
+ uint64_t temp1 = Rs.ud * Rt.ud;
xc->setMiscReg(Hi,temp1<63:32>);
xc->setMiscReg(Lo,temp1<31:0>);
}});
@@ -130,23 +160,27 @@ decode OPCODE_HI default Unknown::unknown() {
}
}
- 0x4: decode FUNCTION_LO {
- format IntOp {
- 0x0: add({{ Rd.sw = Rs.sw + Rt.sw;/*Trap on Overflow*/}});
- 0x1: addu({{ Rd.sw = Rs.sw + Rt.sw;}});
- 0x2: sub({{ Rd.sw = Rs.sw - Rt.sw; /*Trap on Overflow*/}});
- 0x3: subu({{ Rd.sw = Rs.sw - Rt.uw;}});
- 0x4: and({{ Rd = Rs & Rt;}});
- 0x5: or({{ Rd = Rs | Rt;}});
- 0x6: xor({{ Rd = Rs ^ Rt;}});
- 0x7: nor({{ Rd = ~(Rs | Rt);}});
+ 0x4: decode HINT {
+ 0x0: decode FUNCTION_LO {
+ format IntOp {
+ 0x0: add({{ Rd.sw = Rs.sw + Rt.sw;/*Trap on Overflow*/}});
+ 0x1: addu({{ Rd.sw = Rs.sw + Rt.sw;}});
+ 0x2: sub({{ Rd.sw = Rs.sw - Rt.sw; /*Trap on Overflow*/}});
+ 0x3: subu({{ Rd.sw = Rs.sw - Rt.sw;}});
+ 0x4: and({{ Rd = Rs & Rt;}});
+ 0x5: or({{ Rd = Rs | Rt;}});
+ 0x6: xor({{ Rd = Rs ^ Rt;}});
+ 0x7: nor({{ Rd = ~(Rs | Rt);}});
+ }
}
}
- 0x5: decode FUNCTION_LO {
- format IntOp{
- 0x2: slt({{ Rd.sw = ( Rs.sw < Rt.sw ) ? 1 : 0}});
- 0x3: sltu({{ Rd.uw = ( Rs.uw < Rt.uw ) ? 1 : 0}});
+ 0x5: decode HINT {
+ 0x0: decode FUNCTION_LO {
+ format IntOp{
+ 0x2: slt({{ Rd.sw = ( Rs.sw < Rt.sw ) ? 1 : 0}});
+ 0x3: sltu({{ Rd.uw = ( Rs.uw < Rt.uw ) ? 1 : 0}});
+ }
}
}
@@ -216,8 +250,13 @@ decode OPCODE_HI default Unknown::unknown() {
format Branch {
0x4: beq({{ cond = (Rs.sw == Rt.sw); }});
0x5: bne({{ cond = (Rs.sw != Rt.sw); }});
- 0x6: blez({{ cond = (Rs.sw <= 0); }});
- 0x7: bgtz({{ cond = (Rs.sw > 0); }});
+ 0x6: decode RT {
+ 0x0: blez({{ cond = (Rs.sw <= 0); }});
+ }
+
+ 0x7: decode RT {
+ 0x0: bgtz({{ cond = (Rs.sw > 0); }});
+ }
}
}
@@ -226,11 +265,14 @@ decode OPCODE_HI default Unknown::unknown() {
0x0: addi({{ Rt.sw = Rs.sw + imm; /*Trap If Overflow*/}});
0x1: addiu({{ Rt.sw = Rs.sw + imm;}});
0x2: slti({{ Rt.sw = ( Rs.sw < imm) ? 1 : 0 }});
- 0x3: sltiu({{ Rt.sw = ( Rs.sw < imm ) ? 1 : 0 }});
- 0x4: andi({{ Rt.sw = Rs.sw & INTIMM;}});
- 0x5: ori({{ Rt.sw = Rs.sw | INTIMM;}});
- 0x6: xori({{ Rt.sw = Rs.sw ^ INTIMM;}});
- 0x7: lui({{ Rt = INTIMM << 16}});
+ 0x3: sltiu({{ Rt.uw = ( Rs.uw < (uint32_t)sextImm ) ? 1 : 0 }});
+ 0x4: andi({{ Rt.sw = Rs.sw & zextImm;}});
+ 0x5: ori({{ Rt.sw = Rs.sw | zextImm;}});
+ 0x6: xori({{ Rt.sw = Rs.sw ^ zextImm;}});
+
+ 0x7: decode RS {
+ 0x0: lui({{ Rt = imm << 16}});
+ }
}
}
@@ -352,13 +394,37 @@ decode OPCODE_HI default Unknown::unknown() {
0x0: decode RS_HI {
0x0: decode RS_LO {
- format FloatOp {
- 0x0: mfc1({{ /*Rt.uw = Fs.ud<31:0>;*/ }});
- 0x2: cfc1({{ /*Rt.uw = xc->readMiscReg(FPCR[Fs]);*/}});
- 0x3: mfhc1({{ /*Rt.uw = Fs.ud<63:32>*/;}});
- 0x4: mtc1({{ /*Fs = Rt.uw*/}});
- 0x6: ctc1({{ /*xc->setMiscReg(FPCR[Fs],Rt);*/}});
- 0x7: mthc1({{ /*Fs<63:32> = Rt.uw*/}});
+ format WarnUnimpl {
+ 0x0: mfc1();//{{ /*Rt.uw = Fs.ud<31:0>;*/ }}
+ 0x3: mfhc1();// /*Rt.uw = Fs.ud<63:32>*/;
+ 0x4: mtc1();// /*Fs = Rt.uw*/
+ 0x7: mthc1();//{{/*Fs<63:32> = Rt.uw*/}}
+ }
+
+ format System {
+ 0x2: cfc1({{
+ uint32_t fcsr_reg = xc->readMiscReg(FCSR);
+
+ if (Fs == 0){
+ Rt = xc->readMiscReg(FIR);
+ } else if (Fs == 25) {
+ Rt = 0 | (fcsr_reg & 0xFE000000) >> 24 | (fcsr_reg & 0x00800000) >> 23;
+ } else if (Fs == 26) {
+ Rt = 0 | (fcsr_reg & 0x0003F07C);
+ } else if (Fs == 28) {
+ Rt = 0 | (fcsr_reg);
+ } else if (Fs == 31) {
+ Rt = fcsr_reg;
+ } else {
+ panic("FP Control Value (%d) Not Available. Ignoring Access to"
+ "Floating Control Status Register",fcsr_reg);
+ }
+
+ }});
+
+ 0x6: ctc1({{
+ /*xc->setMiscReg(FPCR[Fs],Rt);*/
+ }});
}
}
@@ -830,14 +896,14 @@ decode OPCODE_HI default Unknown::unknown() {
0x7: decode FUNCTION_HI {
0x0: decode FUNCTION_LO {
- format WarnUnimpl {
+ format FailUnimpl {
0x1: ext();
0x4: ins();
}
}
0x1: decode FUNCTION_LO {
- format WarnUnimpl {
+ format FailUnimpl {
0x0: fork();
0x1: yield();
}
@@ -847,16 +913,16 @@ decode OPCODE_HI default Unknown::unknown() {
//Table A-10 MIPS32 BSHFL Encoding of sa Field
0x4: decode SA {
- 0x02: WarnUnimpl::wsbh();
+ 0x02: FailUnimpl::wsbh();
format BasicOp {
- 0x10: seb({{ Rd.sw = /* sext32(Rt<7>,24) | */ Rt<7:0>}});
- 0x18: seh({{ Rd.sw = /* sext32(Rt<15>,16) | */ Rt<15:0>}});
+ 0x10: seb({{ Rd.sw = Rt<7:0>}});
+ 0x18: seh({{ Rd.sw = Rt<15:0>}});
}
}
0x6: decode FUNCTION_LO {
- 0x7: BasicOp::rdhwr({{ /*Rt = xc->hwRegs[RD];*/ }});
+ 0x7: FailUnimpl::rdhwr();//{{ /*Rt = xc->hwRegs[RD];*/ }}
}
}
}
@@ -865,11 +931,97 @@ decode OPCODE_HI default Unknown::unknown() {
format LoadMemory {
0x0: lb({{ Rt.sw = Mem.sb; }});
0x1: lh({{ Rt.sw = Mem.sh; }});
- 0x2: lwl({{ uint32_t temp = Mem.uw<31:16> << 16; Rt.uw &= 0x00FF; Rt.uw |= temp;}}, {{ EA = (Rs + disp) & ~3; }});
+
+ 0x2: lwl({{
+ uint32_t mem_word = Mem.uw;
+ uint32_t unalign_addr = Rs + disp;
+ uint32_t offset = unalign_addr & 0x00000003;
+#if BYTE_ORDER == BIG_ENDIAN
+ std::cout << "Big Endian Byte Order\n";
+
+ switch(offset)
+ {
+ case 0:
+ Rt = mem_word;
+ break;
+
+ case 1:
+ Rt &= 0x000F;
+ Rt |= (mem_word << 4);
+ break;
+
+ case 2:
+ Rt &= 0x00FF;
+ Rt |= (mem_word << 8);
+ break;
+
+ case 3:
+ Rt &= 0x0FFF;
+ Rt |= (mem_word << 12);
+ break;
+
+ default:
+ panic("lwl: bad offset");
+ }
+#elif BYTE_ORDER == LITTLE_ENDIAN
+ std::cout << "Little Endian Byte Order\n";
+
+ switch(offset)
+ {
+ case 0:
+ Rt &= 0x0FFF;
+ Rt |= (mem_word << 12);
+ break;
+
+ case 1:
+ Rt &= 0x00FF;
+ Rt |= (mem_word << 8);
+ break;
+
+ case 2:
+ Rt &= 0x000F;
+ Rt |= (mem_word << 4);
+ break;
+
+ case 3:
+ Rt = mem_word;
+ break;
+
+ default:
+ panic("lwl: bad offset");
+ }
+#endif
+ }}, {{ EA = (Rs + disp) & ~3; }});
+
0x3: lw({{ Rt.sw = Mem.sw; }});
0x4: lbu({{ Rt.uw = Mem.ub; }});
0x5: lhu({{ Rt.uw = Mem.uh; }});
- 0x6: lwr({{ uint32_t temp = 0x00FF & Mem.uw<15:0>; Rt.uw &= 0xFF00; Rt.uw |= temp; }}, {{ EA = (Rs + disp) & ~3; }});
+ 0x6: lwr({{
+ uint32_t mem_word = Mem.uw;
+ uint32_t unalign_addr = Rs + disp;
+ uint32_t offset = unalign_addr & 0x00000003;
+
+#if BYTE_ORDER == BIG_ENDIAN
+ switch(offset)
+ {
+ case 0: Rt &= 0xFFF0; Rt |= (mem_word >> 12); break;
+ case 1: Rt &= 0xFF00; Rt |= (mem_word >> 8); break;
+ case 2: Rt &= 0xF000; Rt |= (mem_word >> 4); break;
+ case 3: Rt = mem_word; break;
+ default: panic("lwr: bad offset");
+ }
+#elif BYTE_ORDER == LITTLE_ENDIAN
+ switch(offset)
+ {
+ case 0: Rt = mem_word; break;
+ case 1: Rt &= 0xF000; Rt |= (mem_word >> 4); break;
+ case 2: Rt &= 0xFF00; Rt |= (mem_word >> 8); break;
+ case 3: Rt &= 0xFFF0; Rt |= (mem_word >> 12); break;
+ default: panic("lwr: bad offset");
+ }
+#endif
+ }},
+ {{ EA = (Rs + disp) & ~3; }});
}
0x7: FailUnimpl::reserved();
@@ -879,9 +1031,144 @@ decode OPCODE_HI default Unknown::unknown() {
format StoreMemory {
0x0: sb({{ Mem.ub = Rt<7:0>; }});
0x1: sh({{ Mem.uh = Rt<15:0>; }});
- 0x2: swl({{ Mem.uh = Rt<31:16>; }}, {{ EA = (Rs + disp) & ~3; }});
+ 0x2: swl({{
+ uint32_t mem_word = 0;
+ uint32_t aligned_addr = (Rs + disp) & ~3;
+ uint32_t unalign_addr = Rs + disp;
+ uint32_t offset = unalign_addr & 0x00000003;
+
+ DPRINTF(IEW,"Execute: aligned=0x%x unaligned=0x%x\n offset=0x%x",
+ aligned_addr,unalign_addr,offset);
+
+ fault = xc->read(aligned_addr, (uint32_t&)mem_word, memAccessFlags);
+
+#if BYTE_ORDER == BIG_ENDIAN
+ switch(offset)
+ {
+ case 0:
+ Mem = Rt;
+ break;
+
+ case 1:
+ mem_word &= 0xF000;
+ mem_word |= (Rt >> 4);
+ Mem = mem_word;
+ break;
+
+ case 2:
+ mem_word &= 0xFF00;
+ mem_word |= (Rt >> 8);
+ Mem = mem_word;
+ break;
+
+ case 3:
+ mem_word &= 0xFFF0;
+ mem_word |= (Rt >> 12);
+ Mem = mem_word;
+ break;
+
+ default:
+ panic("swl: bad offset");
+ }
+#elif BYTE_ORDER == LITTLE_ENDIAN
+ switch(offset)
+ {
+ case 0:
+ mem_word &= 0xFFF0;
+ mem_word |= (Rt >> 12);
+ Mem = mem_word;
+ break;
+
+ case 1:
+ mem_word &= 0xFF00;
+ mem_word |= (Rt >> 8);
+ Mem = mem_word;
+ break;
+
+ case 2:
+ mem_word &= 0xF000;
+ mem_word |= (Rt >> 4);
+ Mem = mem_word;
+ break;
+
+ case 3:
+ Mem = Rt;
+ break;
+
+ default:
+ panic("swl: bad offset");
+ }
+#endif
+ }},{{ EA = (Rs + disp) & ~3; }},mem_flags = NO_ALIGN_FAULT);
+
0x3: sw({{ Mem.uw = Rt<31:0>; }});
- 0x6: swr({{ Mem.uh = Rt<15:0>; }},{{ EA = ((Rs + disp) & ~3) + 4;}});
+
+ 0x6: swr({{
+ uint32_t mem_word = 0;
+ uint32_t aligned_addr = (Rs + disp) & ~3;
+ uint32_t unalign_addr = Rs + disp;
+ uint32_t offset = unalign_addr & 0x00000003;
+
+ fault = xc->read(aligned_addr, (uint32_t&)mem_word, memAccessFlags);
+
+#if BYTE_ORDER == BIG_ENDIAN
+ switch(offset)
+ {
+ case 0:
+ mem_word &= 0x0FFF;
+ mem_word |= (Rt << 12);
+ Mem = mem_word;
+ break;
+
+ case 1:
+ mem_word &= 0x00FF;
+ mem_word |= (Rt << 8);
+ Mem = mem_word;
+ break;
+
+ case 2:
+ mem_word &= 0x000F;
+ mem_word |= (Rt << 4);
+ Mem = mem_word;
+ break;
+
+ case 3:
+ Mem = Rt;
+ break;
+
+ default:
+ panic("swr: bad offset");
+ }
+#elif BYTE_ORDER == LITTLE_ENDIAN
+ switch(offset)
+ {
+ case 0:
+ Mem = Rt;
+ break;
+
+ case 1:
+ mem_word &= 0x000F;
+ mem_word |= (Rt << 4);
+ Mem = mem_word;
+ break;
+
+ case 2:
+ mem_word &= 0x00FF;
+ mem_word |= (Rt << 8);
+ Mem = mem_word;
+ break;
+
+ case 3:
+ mem_word &= 0x0FFF;
+ mem_word |= (Rt << 12);
+ Mem = mem_word;
+ break;
+
+ default:
+ panic("swr: bad offset");
+ }
+#endif
+ }},{{ EA = (Rs + disp) & ~3;}},mem_flags = NO_ALIGN_FAULT);
}
format WarnUnimpl {
@@ -891,7 +1178,7 @@ decode OPCODE_HI default Unknown::unknown() {
}
0x6: decode OPCODE_LO default FailUnimpl::reserved() {
- 0x0: WarnUnimpl::ll();
+ 0x0: FailUnimpl::ll();
format LoadMemory {
0x1: lwc1({{ /*F_t<31:0> = Mem.sf; */}});
@@ -901,7 +1188,7 @@ decode OPCODE_HI default Unknown::unknown() {
0x7: decode OPCODE_LO default FailUnimpl::reserved() {
- 0x0: WarnUnimpl::sc();
+ 0x0: FailUnimpl::sc();
format StoreMemory {
0x1: swc1({{ //Mem.sf = Ft<31:0>; }});
diff --git a/arch/mips/isa/formats/branch.isa b/arch/mips/isa/formats/branch.isa
index cb0f4ac9c..39db88c23 100644
--- a/arch/mips/isa/formats/branch.isa
+++ b/arch/mips/isa/formats/branch.isa
@@ -179,7 +179,7 @@ output decoder {{
ss << ",";
}
- Addr target = pc + 8 + disp;
+ Addr target = pc + 4 + disp;
std::string str;
if (symtab && symtab->findSymbol(target, str))
diff --git a/arch/mips/isa/formats/int.isa b/arch/mips/isa/formats/int.isa
index a47844bee..7d38b9ff5 100644
--- a/arch/mips/isa/formats/int.isa
+++ b/arch/mips/isa/formats/int.isa
@@ -29,17 +29,19 @@ output header {{
{
protected:
- int32_t imm;
+ int16_t imm;
+ int32_t sextImm;
+ uint32_t zextImm;
/// Constructor
IntImmOp(const char *mnem, MachInst _machInst, OpClass __opClass) :
- MipsStaticInst(mnem, _machInst, __opClass),imm(INTIMM)
+ MipsStaticInst(mnem, _machInst, __opClass),imm(INTIMM),
+ sextImm(INTIMM),zextImm(0x0000FFFF & INTIMM)
{
//If Bit 15 is 1 then Sign Extend
- int32_t temp = imm & 0x00008000;
-
+ int32_t temp = sextImm & 0x00008000;
if (temp > 0 && mnemonic != "lui") {
- imm |= 0xFFFF0000;
+ sextImm |= 0xFFFF0000;
}
}
@@ -62,10 +64,9 @@ output decoder {{
// it's generally implicit
if (_numDestRegs > 0) {
printReg(ss, _destRegIdx[0]);
+ ss << ",";
}
- ss << ",";
-
// just print the first two source regs... if there's
// a third one, it's a read-modify-write dest (Rc),
// e.g. for CMOVxx
@@ -99,9 +100,9 @@ output decoder {{
}
if( mnemonic == "lui")
- ccprintf(ss, "%08p ", imm);
+ ccprintf(ss, "%08p ", sextImm);
else
- ss << (int) imm;
+ ss << (int) sextImm;
return ss.str();
}
diff --git a/arch/mips/isa/formats/mem.isa b/arch/mips/isa/formats/mem.isa
index 404aa1ee1..df1dca4e1 100644
--- a/arch/mips/isa/formats/mem.isa
+++ b/arch/mips/isa/formats/mem.isa
@@ -446,6 +446,14 @@ def format StoreMemory(memacc_code, ea_code = {{ EA = Rs + disp; }},
exec_template_base = 'Store')
}};
+def format UnalignedStore(memacc_code, postacc_code,
+ ea_code = {{ EA = Rb + disp; }},
+ mem_flags = [], inst_flags = []) {{
+ (header_output, decoder_output, decode_block, exec_output) = \
+ LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
+ postacc_code, exec_template_base = 'Store')
+}};
+
//FP loads are offloaded to these formats for now ...
def format LoadMemory2(ea_code = {{ EA = Rs + disp; }}, memacc_code = {{ }},
mem_flags = [], inst_flags = []) {{
diff --git a/arch/mips/isa/formats/unimp.isa b/arch/mips/isa/formats/unimp.isa
index 890cf8d1a..475a88752 100644
--- a/arch/mips/isa/formats/unimp.isa
+++ b/arch/mips/isa/formats/unimp.isa
@@ -110,7 +110,8 @@ output exec {{
Trace::InstRecord *traceData) const
{
panic("attempt to execute unimplemented instruction '%s' "
- "(inst 0x%08x, opcode 0x%x)", mnemonic, machInst, OPCODE);
+ "(inst 0x%08x, opcode 0x%x, binary:%s)", mnemonic, machInst, OPCODE,
+ inst2string(machInst));
return new UnimplementedOpcodeFault;
}
diff --git a/arch/mips/isa/formats/unknown.isa b/arch/mips/isa/formats/unknown.isa
index 47d166255..ba83c007e 100644
--- a/arch/mips/isa/formats/unknown.isa
+++ b/arch/mips/isa/formats/unknown.isa
@@ -26,12 +26,34 @@
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+output header {{
+ std::string inst2string(MachInst machInst);
+}};
output decoder {{
+
+std::string inst2string(MachInst machInst)
+{
+ string str = "";
+ uint32_t mask = 0x80000000;
+
+ for(int i=0; i < 32; i++) {
+ if ((machInst & mask) == 0) {
+ str += "0";
+ } else {
+ str += "1";
+ }
+
+ mask = mask >> 1;
+ }
+
+ return str;
+}
+
std::string
Unknown::generateDisassembly(Addr pc, const SymbolTable *symtab) const
{
- return csprintf("%-10s (inst 0x%x, opcode 0x%x)",
- "unknown", machInst, OPCODE);
+ return csprintf("%-10s (inst 0x%x, opcode 0x%x, binary:%s)",
+ "unknown", machInst, OPCODE, inst2string(machInst));
}
}};
@@ -41,7 +63,7 @@ output exec {{
Trace::InstRecord *traceData) const
{
panic("attempt to execute unknown instruction "
- "(inst 0x%08x, opcode 0x%x)", machInst, OPCODE);
+ "(inst 0x%08x, opcode 0x%x, binary: %s)", machInst, OPCODE, inst2string(machInst));
return new UnimplementedOpcodeFault;
}
}};
diff --git a/arch/mips/isa/formats/util.isa b/arch/mips/isa/formats/util.isa
index db4bf204a..dcdf46757 100644
--- a/arch/mips/isa/formats/util.isa
+++ b/arch/mips/isa/formats/util.isa
@@ -93,7 +93,9 @@ def LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
output exec {{
-using namespace MipsISA;
+ using namespace MipsISA;
+
+
/// CLEAR ALL CPU INST/EXE HAZARDS
diff --git a/arch/mips/isa/includes.isa b/arch/mips/isa/includes.isa
index b81c4eda2..9c370fbe3 100644
--- a/arch/mips/isa/includes.isa
+++ b/arch/mips/isa/includes.isa
@@ -17,6 +17,8 @@ output decoder {{
#include "base/cprintf.hh"
#include "base/loader/symtab.hh"
#include "cpu/exec_context.hh" // for Jump::branchTarget()
+#include "arch/mips/faults.hh"
+#include "arch/mips/isa_traits.hh"
#include <math.h>
#if defined(linux)
@@ -27,6 +29,7 @@ using namespace MipsISA;
}};
output exec {{
+#include "arch/mips/faults.hh"
#include "arch/mips/isa_traits.hh"
#include <math.h>
#if defined(linux)
diff --git a/arch/mips/isa/operands.isa b/arch/mips/isa/operands.isa
index c01496dc9..2fa3238dc 100644
--- a/arch/mips/isa/operands.isa
+++ b/arch/mips/isa/operands.isa
@@ -27,7 +27,7 @@ def operands {{
'Ft': ('FloatReg', 'sf', 'FT', 'IsFloating', 3),
'Fr': ('FloatReg', 'sf', 'FR', 'IsFloating', 3),
- 'Mem': ('Mem', 'ud', None, ('IsMemRef', 'IsLoad', 'IsStore'), 4),
+ 'Mem': ('Mem', 'uw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 4),
'NPC': ('NPC', 'uw', None, ( None, None, 'IsControl' ), 4),
'NNPC':('NNPC', 'uw', None, ( None, None, 'IsControl' ), 4)
diff --git a/arch/mips/isa_traits.hh b/arch/mips/isa_traits.hh
index 35c207828..1f4ccbd90 100644
--- a/arch/mips/isa_traits.hh
+++ b/arch/mips/isa_traits.hh
@@ -60,7 +60,7 @@ class SyscallReturn {
template <class T>
SyscallReturn(T v, bool s)
{
- retval = (uint64_t)v;
+ retval = (uint32_t)v;
success = s;
}
@@ -68,7 +68,7 @@ class SyscallReturn {
SyscallReturn(T v)
{
success = (v >= 0);
- retval = (uint64_t)v;
+ retval = (uint32_t)v;
}
~SyscallReturn() {}
@@ -138,7 +138,7 @@ namespace MipsISA
const int SyscallNumReg = ReturnValueReg1;
const int SyscallPseudoReturnReg = ReturnValueReg1;
- const int SyscallSuccessReg = ReturnValueReg1;
+ const int SyscallSuccessReg = ArgumentReg3;
const int LogVMPageSize = 13; // 8K bytes
const int VMPageSize = (1 << LogVMPageSize);
@@ -164,7 +164,6 @@ namespace MipsISA
};
typedef uint64_t IntReg;
-
class IntRegFile
{
protected:
@@ -188,21 +187,9 @@ namespace MipsISA
};
-/* floating point register file entry type
- typedef union {
- uint64_t q;
- double d;
- } FloatReg;*/
-
typedef double FloatReg;
typedef uint64_t FloatRegBits;
-
-/*typedef union {
- uint64_t q[NumFloatRegs]; // integer qword view
- double d[NumFloatRegs]; // double-precision floating point view
- } FloatRegFile;*/
-
- class FloatRegFile
+ class FloatRegFile
{
protected:
@@ -473,6 +460,7 @@ namespace MipsISA
//More Misc. Regs
Hi,
Lo,
+ FIR,
FCSR,
FPCR,
@@ -732,21 +720,15 @@ extern const Addr PageOffset;
static inline void setSyscallReturn(SyscallReturn return_value, RegFile *regs)
{
- // check for error condition. Alpha syscall convention is to
- // indicate success/failure in reg a3 (r19) and put the
- // return value itself in the standard return value reg (v0).
if (return_value.successful()) {
// no error
- regs->setIntReg(ReturnValueReg1, 0);
- regs->setIntReg(ReturnValueReg2, return_value.value());
+ regs->setIntReg(SyscallSuccessReg, 0);
+ regs->setIntReg(ReturnValueReg1, return_value.value());
} else {
// got an error, return details
- regs->setIntReg(ReturnValueReg1, (IntReg) -1);
- regs->setIntReg(ReturnValueReg2, -return_value.value());
+ regs->setIntReg(SyscallSuccessReg, (IntReg) -1);
+ regs->setIntReg(ReturnValueReg1, -return_value.value());
}
-
- //regs->intRegFile[ReturnValueReg1] = (IntReg)return_value;
- //panic("Returning from syscall\n");
}
// Machine operations
diff --git a/arch/mips/linux_process.cc b/arch/mips/linux_process.cc
index 92a79cfd1..89407548a 100644
--- a/arch/mips/linux_process.cc
+++ b/arch/mips/linux_process.cc
@@ -26,6 +26,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#include "arch/mips/mips_linux.hh"
#include "arch/mips/linux_process.hh"
#include "arch/mips/isa_traits.hh"
@@ -120,7 +121,7 @@ SyscallDesc MipsLinuxProcess::syscallDescs[] = {
/* 2 */ SyscallDesc("fork", unimplementedFunc),
/* 3 */ SyscallDesc("read", readFunc),
/* 4 */ SyscallDesc("write", writeFunc),
- /* 5 */ SyscallDesc("open", openFunc<Linux>),
+ /* 5 */ SyscallDesc("open", openFunc<MipsLinux>),
/* 6 */ SyscallDesc("close", closeFunc),
/* 7 */ SyscallDesc("waitpid", unimplementedFunc),
/* 8 */ SyscallDesc("creat", unimplementedFunc),
@@ -130,9 +131,9 @@ SyscallDesc MipsLinuxProcess::syscallDescs[] = {
/* 12 */ SyscallDesc("chdir", unimplementedFunc),
/* 13 */ SyscallDesc("time", unimplementedFunc),
/* 14 */ SyscallDesc("mknod", unimplementedFunc),
- /* 15 */ SyscallDesc("chmod", chmodFunc<Linux>),
+ /* 15 */ SyscallDesc("chmod", chmodFunc<MipsLinux>),
/* 16 */ SyscallDesc("lchown", chownFunc),
- /* 17 */ SyscallDesc("break", unimplementedFunc), /*obreak*/
+ /* 17 */ SyscallDesc("break", obreakFunc), /*obreak*/
/* 18 */ SyscallDesc("unused#18", unimplementedFunc),
/* 19 */ SyscallDesc("lseek", lseekFunc),
/* 20 */ SyscallDesc("getpid", getpidFunc),
@@ -160,7 +161,7 @@ SyscallDesc MipsLinuxProcess::syscallDescs[] = {
/* 42 */ SyscallDesc("pipe", unimplementedFunc),
/* 43 */ SyscallDesc("times", unimplementedFunc),
/* 44 */ SyscallDesc("prof", unimplementedFunc),
- /* 45 */ SyscallDesc("brk", unimplementedFunc),/*openFunc<Linux>*/
+ /* 45 */ SyscallDesc("brk", obreakFunc),/*openFunc<MipsLinux>*/
/* 46 */ SyscallDesc("setgid", unimplementedFunc),
/* 47 */ SyscallDesc("getgid", getgidFunc),
/* 48 */ SyscallDesc("signal", ignoreFunc),
@@ -169,7 +170,7 @@ SyscallDesc MipsLinuxProcess::syscallDescs[] = {
/* 51 */ SyscallDesc("acct", unimplementedFunc),
/* 52 */ SyscallDesc("umount2", unimplementedFunc),
/* 53 */ SyscallDesc("lock", unimplementedFunc),
- /* 54 */ SyscallDesc("ioctl", ioctlFunc<Linux>),
+ /* 54 */ SyscallDesc("ioctl", ioctlFunc<MipsLinux>),
/* 55 */ SyscallDesc("fcntl", unimplementedFunc),
/* 56 */ SyscallDesc("mpx", unimplementedFunc),
/* 57 */ SyscallDesc("setpgid", unimplementedFunc),
@@ -182,13 +183,13 @@ SyscallDesc MipsLinuxProcess::syscallDescs[] = {
/* 64 */ SyscallDesc("getppid", getpagesizeFunc),
/* 65 */ SyscallDesc("getpgrp", unimplementedFunc),
/* 66 */ SyscallDesc("setsid", unimplementedFunc),
- /* 67 */ SyscallDesc("sigaction", statFunc<Linux>),
- /* 68 */ SyscallDesc("sgetmask", lstatFunc<Linux>),
+ /* 67 */ SyscallDesc("sigaction",unimplementedFunc),
+ /* 68 */ SyscallDesc("sgetmask", unimplementedFunc),
/* 69 */ SyscallDesc("ssetmask", unimplementedFunc),
/* 70 */ SyscallDesc("setreuid", unimplementedFunc),
- /* 71 */ SyscallDesc("setregid", mmapFunc<Linux>),
+ /* 71 */ SyscallDesc("setregid", unimplementedFunc),
/* 72 */ SyscallDesc("sigsuspend", unimplementedFunc),
- /* 73 */ SyscallDesc("sigpending", munmapFunc),
+ /* 73 */ SyscallDesc("sigpending", unimplementedFunc),
/* 74 */ SyscallDesc("sethostname", ignoreFunc),
/* 75 */ SyscallDesc("setrlimit", unimplementedFunc),
/* 76 */ SyscallDesc("getrlimit", unimplementedFunc),
@@ -205,8 +206,8 @@ SyscallDesc MipsLinuxProcess::syscallDescs[] = {
/* 87 */ SyscallDesc("swapon", gethostnameFunc),
/* 88 */ SyscallDesc("reboot", unimplementedFunc),
/* 89 */ SyscallDesc("readdir", unimplementedFunc),
- /* 90 */ SyscallDesc("mmap", mmapFunc<Linux>),
- /* 91 */ SyscallDesc("munmap",unimplementedFunc),/*fstatFunc<Linux>*/
+ /* 90 */ SyscallDesc("mmap", mmapFunc<MipsLinux>),
+ /* 91 */ SyscallDesc("munmap",munmapFunc),
/* 92 */ SyscallDesc("truncate", fcntlFunc),
/* 93 */ SyscallDesc("ftruncate", unimplementedFunc),
/* 94 */ SyscallDesc("fchmod", unimplementedFunc),
@@ -221,9 +222,9 @@ SyscallDesc MipsLinuxProcess::syscallDescs[] = {
/* 103 */ SyscallDesc("syslog", unimplementedFunc),
/* 104 */ SyscallDesc("setitimer", unimplementedFunc),
/* 105 */ SyscallDesc("getitimer", unimplementedFunc),
- /* 106 */ SyscallDesc("stat", unimplementedFunc),
+ /* 106 */ SyscallDesc("stat", statFunc<MipsLinux>),
/* 107 */ SyscallDesc("lstat", unimplementedFunc),
- /* 108 */ SyscallDesc("fstat", unimplementedFunc),
+ /* 108 */ SyscallDesc("fstat", fstatFunc<MipsLinux>),
/* 109 */ SyscallDesc("unused#109", unimplementedFunc),
/* 110 */ SyscallDesc("iopl", unimplementedFunc),
/* 111 */ SyscallDesc("vhangup", unimplementedFunc),
@@ -240,7 +241,7 @@ SyscallDesc MipsLinuxProcess::syscallDescs[] = {
/* 122 */ SyscallDesc("uname", unameFunc),
/* 123 */ SyscallDesc("modify_ldt", unimplementedFunc),
/* 124 */ SyscallDesc("adjtimex", unimplementedFunc),
- /* 125 */ SyscallDesc("mprotect", unimplementedFunc),
+ /* 125 */ SyscallDesc("mprotect", ignoreFunc),
/* 126 */ SyscallDesc("sigprocmask", unimplementedFunc),
/* 127 */ SyscallDesc("create_module", unimplementedFunc),
/* 128 */ SyscallDesc("init_module", unimplementedFunc),
@@ -259,9 +260,9 @@ SyscallDesc MipsLinuxProcess::syscallDescs[] = {
/* 141 */ SyscallDesc("getdents", unimplementedFunc),
/* 142 */ SyscallDesc("newselect", unimplementedFunc),
/* 143 */ SyscallDesc("flock", unimplementedFunc),
- /* 144 */ SyscallDesc("msync", unimplementedFunc),/*getrlimitFunc<Linux>*/
+ /* 144 */ SyscallDesc("msync", unimplementedFunc),/*getrlimitFunc<MipsLinux>*/
/* 145 */ SyscallDesc("readv", unimplementedFunc),
- /* 146 */ SyscallDesc("writev", writevFunc<Linux>),
+ /* 146 */ SyscallDesc("writev", writevFunc<MipsLinux>),
/* 147 */ SyscallDesc("cacheflush", unimplementedFunc),
/* 148 */ SyscallDesc("cachectl", unimplementedFunc),
/* 149 */ SyscallDesc("sysmips", unimplementedFunc),
@@ -329,8 +330,8 @@ SyscallDesc MipsLinuxProcess::syscallDescs[] = {
/* 211 */ SyscallDesc("truncate64", unimplementedFunc),
/* 212 */ SyscallDesc("ftruncate64", unimplementedFunc),
/* 213 */ SyscallDesc("stat64", unimplementedFunc),
- /* 214 */ SyscallDesc("lstat64", unimplementedFunc),
- /* 215 */ SyscallDesc("fstat64", unimplementedFunc),
+ /* 214 */ SyscallDesc("lstat64", lstat64Func<MipsLinux>),
+ /* 215 */ SyscallDesc("fstat64", fstat64Func<MipsLinux>),
/* 216 */ SyscallDesc("pivot_root", unimplementedFunc),
/* 217 */ SyscallDesc("mincore", unimplementedFunc),
/* 218 */ SyscallDesc("madvise", unimplementedFunc),
@@ -361,7 +362,7 @@ SyscallDesc MipsLinuxProcess::syscallDescs[] = {
/* 243 */ SyscallDesc("io_getevents", unimplementedFunc),
/* 244 */ SyscallDesc("io_submit", unimplementedFunc),
/* 245 */ SyscallDesc("io_cancel", unimplementedFunc),
- /* 246 */ SyscallDesc("exit_group", unimplementedFunc),
+ /* 246 */ SyscallDesc("exit_group", exitFunc),
/* 247 */ SyscallDesc("lookup_dcookie", unimplementedFunc),
/* 248 */ SyscallDesc("epoll_create", unimplementedFunc),
/* 249 */ SyscallDesc("epoll_ctl", unimplementedFunc),
@@ -415,8 +416,6 @@ MipsLinuxProcess::MipsLinuxProcess(const std::string &name,
//init_regs->intRegFile[0] = 0;
}
-
-
SyscallDesc*
MipsLinuxProcess::getDesc(int callnum)
{
diff --git a/arch/mips/mips_linux.cc b/arch/mips/mips_linux.cc
new file mode 100644
index 000000000..7a9e66470
--- /dev/null
+++ b/arch/mips/mips_linux.cc
@@ -0,0 +1,70 @@
+/*
+ * 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
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "arch/mips/mips_linux.hh"
+
+// open(2) flags translation table
+OpenFlagTransTable MipsLinux::openFlagTable[] = {
+#ifdef _MSC_VER
+ { MipsLinux::TGT_O_RDONLY, _O_RDONLY },
+ { MipsLinux::TGT_O_WRONLY, _O_WRONLY },
+ { MipsLinux::TGT_O_RDWR, _O_RDWR },
+ { MipsLinux::TGT_O_APPEND, _O_APPEND },
+ { MipsLinux::TGT_O_CREAT, _O_CREAT },
+ { MipsLinux::TGT_O_TRUNC, _O_TRUNC },
+ { MipsLinux::TGT_O_EXCL, _O_EXCL },
+#ifdef _O_NONBLOCK
+ { MipsLinux::TGT_O_NONBLOCK, _O_NONBLOCK },
+#endif
+#ifdef _O_NOCTTY
+ { MipsLinux::TGT_O_NOCTTY, _O_NOCTTY },
+#endif
+#ifdef _O_SYNC
+ { MipsLinux::TGT_O_SYNC, _O_SYNC },
+#endif
+#else /* !_MSC_VER */
+ { MipsLinux::TGT_O_RDONLY, O_RDONLY },
+ { MipsLinux::TGT_O_WRONLY, O_WRONLY },
+ { MipsLinux::TGT_O_RDWR, O_RDWR },
+ { MipsLinux::TGT_O_APPEND, O_APPEND },
+ { MipsLinux::TGT_O_CREAT, O_CREAT },
+ { MipsLinux::TGT_O_TRUNC, O_TRUNC },
+ { MipsLinux::TGT_O_EXCL, O_EXCL },
+ { MipsLinux::TGT_O_NONBLOCK, O_NONBLOCK },
+ { MipsLinux::TGT_O_NOCTTY, O_NOCTTY },
+#ifdef O_SYNC
+ { MipsLinux::TGT_O_SYNC, O_SYNC },
+#endif
+#endif /* _MSC_VER */
+};
+
+const int MipsLinux::NUM_OPEN_FLAGS =
+ (sizeof(MipsLinux::openFlagTable)/sizeof(MipsLinux::openFlagTable[0]));
+
+
+
diff --git a/arch/mips/mips_linux.hh b/arch/mips/mips_linux.hh
new file mode 100644
index 000000000..fd08e8c87
--- /dev/null
+++ b/arch/mips/mips_linux.hh
@@ -0,0 +1,124 @@
+/*
+ * 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
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __MIPS_MIPS_LINUX_HH
+#define __MIPS_MIPS_LINUX_HH
+
+#include "kern/linux/linux.hh"
+
+class MipsLinux : public Linux
+{
+ public:
+
+ /// This table maps the target open() flags to the corresponding
+ /// host open() flags.
+ static OpenFlagTransTable openFlagTable[];
+
+ /// Number of entries in openFlagTable[].
+ static const int NUM_OPEN_FLAGS;
+
+ //@{
+ /// open(2) flag values.
+ static const int TGT_O_RDONLY = 0x00000000; //!< O_RDONLY
+ static const int TGT_O_WRONLY = 0x00000001; //!< O_WRONLY
+ static const int TGT_O_RDWR = 0x00000002; //!< O_RDWR
+ static const int TGT_O_NONBLOCK = 0x00000080; //!< O_NONBLOCK
+ static const int TGT_O_APPEND = 0x00000008; //!< O_APPEND
+ static const int TGT_O_CREAT = 0x00000100; //!< O_CREAT
+ static const int TGT_O_TRUNC = 0x00000200; //!< O_TRUNC
+ static const int TGT_O_EXCL = 0x00000400; //!< O_EXCL
+ static const int TGT_O_NOCTTY = 0x00000800; //!< O_NOCTTY
+ static const int TGT_O_SYNC = 0x00000010; //!< O_SYNC
+ static const int TGT_O_DRD = 0x00010000; //!< O_DRD
+ static const int TGT_O_DIRECTIO = 0x00020000; //!< O_DIRECTIO
+ static const int TGT_O_CACHE = 0x00002000; //!< O_CACHE
+ static const int TGT_O_DSYNC = 0x00008000; //!< O_DSYNC
+ static const int TGT_O_RSYNC = 0x00040000; //!< O_RSYNC
+ //@}
+
+ /// For mmap().
+ static const unsigned TGT_MAP_ANONYMOUS = 0x800;
+
+ //@{
+ /// For getsysinfo().
+ static const unsigned GSI_PLATFORM_NAME = 103; //!< platform name as string
+ static const unsigned GSI_CPU_INFO = 59; //!< CPU information
+ static const unsigned GSI_PROC_TYPE = 60; //!< get proc_type
+ static const unsigned GSI_MAX_CPU = 30; //!< max # cpu's on this machine
+ static const unsigned GSI_CPUS_IN_BOX = 55; //!< number of CPUs in system
+ static const unsigned GSI_PHYSMEM = 19; //!< Physical memory in KB
+ static const unsigned GSI_CLK_TCK = 42; //!< clock freq in Hz
+ //@}
+
+ //@{
+ /// For getrusage().
+ static const int TGT_RUSAGE_SELF = 0;
+ static const int TGT_RUSAGE_CHILDREN = -1;
+ static const int TGT_RUSAGE_BOTH = -2;
+ //@}
+
+ //@{
+ /// For setsysinfo().
+ static const unsigned SSI_IEEE_FP_CONTROL = 14; //!< ieee_set_fp_control()
+ //@}
+
+ //@{
+ /// ioctl() command codes.
+ static const unsigned TIOCGETP = 0x7408;
+ static const unsigned TIOCSETP = 0x7409;
+ static const unsigned TIOCSETN = 0x740a;
+ static const unsigned TIOCSETC = 0x7411;
+ static const unsigned TIOCGETC = 0x7412;
+ static const unsigned FIONREAD = 0x467f;
+ static const unsigned TIOCISATTY = 0x5480;
+ static const unsigned TIOCGETS = 0x7413;
+ static const unsigned TIOCGETA = 0x7417;
+ //@}
+
+ /// For table().
+ static const int TBL_SYSINFO = 12;
+
+ /// Resource enumeration for getrlimit().
+ enum rlimit_resources {
+ TGT_RLIMIT_CPU = 0,
+ TGT_RLIMIT_FSIZE = 1,
+ TGT_RLIMIT_DATA = 2,
+ TGT_RLIMIT_STACK = 3,
+ TGT_RLIMIT_CORE = 4,
+ TGT_RLIMIT_NOFILE = 5,
+ TGT_RLIMIT_AS = 6,
+ TGT_RLIMIT_RSS = 7,
+ TGT_RLIMIT_VMEM = 7,
+ TGT_RLIMIT_NPROC = 8,
+ TGT_RLIMIT_MEMLOCK = 9,
+ TGT_RLIMIT_LOCKS = 10
+ };
+
+};
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-25 04:18:44 +0000