diff options
Diffstat (limited to 'libpixelflinger/codeflinger/MIPS64Assembler.cpp')
-rw-r--r-- | libpixelflinger/codeflinger/MIPS64Assembler.cpp | 1452 |
1 files changed, 1452 insertions, 0 deletions
diff --git a/libpixelflinger/codeflinger/MIPS64Assembler.cpp b/libpixelflinger/codeflinger/MIPS64Assembler.cpp new file mode 100644 index 000000000..a5305cca2 --- /dev/null +++ b/libpixelflinger/codeflinger/MIPS64Assembler.cpp @@ -0,0 +1,1452 @@ +/* libs/pixelflinger/codeflinger/MIPS64Assembler.cpp +** +** Copyright 2015, The Android Open Source Project +** +** Licensed under the Apache License, Version 2.0 (the "License"); +** you may not use this file except in compliance with the License. +** You may obtain a copy of the License at +** +** http://www.apache.org/licenses/LICENSE-2.0 +** +** Unless required by applicable law or agreed to in writing, software +** distributed under the License is distributed on an "AS IS" BASIS, +** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +** See the License for the specific language governing permissions and +** limitations under the License. +*/ + + +/* MIPS64 assembler and ARM->MIPS64 assembly translator +** +** The approach is utilize MIPSAssembler generator, using inherited MIPS64Assembler +** that overrides just the specific MIPS64r6 instructions. +** For now ArmToMips64Assembler is copied over from ArmToMipsAssembler class, +** changing some MIPS64r6 related stuff. +** +*/ + + +#define LOG_TAG "MIPS64Assembler" + +#include <stdio.h> +#include <stdlib.h> +#include <cutils/log.h> +#include <cutils/properties.h> + +#if defined(WITH_LIB_HARDWARE) +#include <hardware_legacy/qemu_tracing.h> +#endif + +#include <private/pixelflinger/ggl_context.h> + +#include "MIPS64Assembler.h" +#include "CodeCache.h" +#include "mips64_disassem.h" + + +#define NOT_IMPLEMENTED() LOG_ALWAYS_FATAL("Arm instruction %s not yet implemented\n", __func__) + + +// ---------------------------------------------------------------------------- + +namespace android { + +// ---------------------------------------------------------------------------- +#if 0 +#pragma mark - +#pragma mark ArmToMips64Assembler... +#endif + +ArmToMips64Assembler::ArmToMips64Assembler(const sp<Assembly>& assembly, + char *abuf, int linesz, int instr_count) + : ARMAssemblerInterface(), + mArmDisassemblyBuffer(abuf), + mArmLineLength(linesz), + mArmInstrCount(instr_count), + mInum(0), + mAssembly(assembly) +{ + mMips = new MIPS64Assembler(assembly, this); + mArmPC = (uint32_t **) malloc(ARM_MAX_INSTUCTIONS * sizeof(uint32_t *)); + init_conditional_labels(); +} + +ArmToMips64Assembler::ArmToMips64Assembler(void* assembly) + : ARMAssemblerInterface(), + mArmDisassemblyBuffer(NULL), + mInum(0), + mAssembly(NULL) +{ + mMips = new MIPS64Assembler(assembly, this); + mArmPC = (uint32_t **) malloc(ARM_MAX_INSTUCTIONS * sizeof(uint32_t *)); + init_conditional_labels(); +} + +ArmToMips64Assembler::~ArmToMips64Assembler() +{ + delete mMips; + free((void *) mArmPC); +} + +uint32_t* ArmToMips64Assembler::pc() const +{ + return mMips->pc(); +} + +uint32_t* ArmToMips64Assembler::base() const +{ + return mMips->base(); +} + +void ArmToMips64Assembler::reset() +{ + cond.labelnum = 0; + mInum = 0; + mMips->reset(); +} + +int ArmToMips64Assembler::getCodegenArch() +{ + return CODEGEN_ARCH_MIPS64; +} + +void ArmToMips64Assembler::comment(const char* string) +{ + mMips->comment(string); +} + +void ArmToMips64Assembler::label(const char* theLabel) +{ + mMips->label(theLabel); +} + +void ArmToMips64Assembler::disassemble(const char* name) +{ + mMips->disassemble(name); +} + +void ArmToMips64Assembler::init_conditional_labels() +{ + int i; + for (i=0;i<99; ++i) { + sprintf(cond.label[i], "cond_%d", i); + } +} + + + +#if 0 +#pragma mark - +#pragma mark Prolog/Epilog & Generate... +#endif + +void ArmToMips64Assembler::prolog() +{ + mArmPC[mInum++] = pc(); // save starting PC for this instr + + mMips->DADDIU(R_sp, R_sp, -(5 * 8)); + mMips->SD(R_s0, R_sp, 0); + mMips->SD(R_s1, R_sp, 8); + mMips->SD(R_s2, R_sp, 16); + mMips->SD(R_s3, R_sp, 24); + mMips->SD(R_s4, R_sp, 32); + mMips->MOVE(R_v0, R_a0); // move context * passed in a0 to v0 (arm r0) +} + +void ArmToMips64Assembler::epilog(uint32_t touched) +{ + mArmPC[mInum++] = pc(); // save starting PC for this instr + + mMips->LD(R_s0, R_sp, 0); + mMips->LD(R_s1, R_sp, 8); + mMips->LD(R_s2, R_sp, 16); + mMips->LD(R_s3, R_sp, 24); + mMips->LD(R_s4, R_sp, 32); + mMips->DADDIU(R_sp, R_sp, (5 * 8)); + mMips->JR(R_ra); + +} + +int ArmToMips64Assembler::generate(const char* name) +{ + return mMips->generate(name); +} + +void ArmToMips64Assembler::fix_branches() +{ + mMips->fix_branches(); +} + +uint32_t* ArmToMips64Assembler::pcForLabel(const char* label) +{ + return mMips->pcForLabel(label); +} + +void ArmToMips64Assembler::set_condition(int mode, int R1, int R2) { + if (mode == 2) { + cond.type = SBIT_COND; + } else { + cond.type = CMP_COND; + } + cond.r1 = R1; + cond.r2 = R2; +} + +//---------------------------------------------------------- + +#if 0 +#pragma mark - +#pragma mark Addressing modes & shifters... +#endif + + +// do not need this for MIPS, but it is in the Interface (virtual) +int ArmToMips64Assembler::buildImmediate( + uint32_t immediate, uint32_t& rot, uint32_t& imm) +{ + // for MIPS, any 32-bit immediate is OK + rot = 0; + imm = immediate; + return 0; +} + +// shifters... + +bool ArmToMips64Assembler::isValidImmediate(uint32_t immediate) +{ + // for MIPS, any 32-bit immediate is OK + return true; +} + +uint32_t ArmToMips64Assembler::imm(uint32_t immediate) +{ + amode.value = immediate; + return AMODE_IMM; +} + +uint32_t ArmToMips64Assembler::reg_imm(int Rm, int type, uint32_t shift) +{ + amode.reg = Rm; + amode.stype = type; + amode.value = shift; + return AMODE_REG_IMM; +} + +uint32_t ArmToMips64Assembler::reg_rrx(int Rm) +{ + // reg_rrx mode is not used in the GLLAssember code at this time + return AMODE_UNSUPPORTED; +} + +uint32_t ArmToMips64Assembler::reg_reg(int Rm, int type, int Rs) +{ + // reg_reg mode is not used in the GLLAssember code at this time + return AMODE_UNSUPPORTED; +} + + +// addressing modes... +// LDR(B)/STR(B)/PLD (immediate and Rm can be negative, which indicate U=0) +uint32_t ArmToMips64Assembler::immed12_pre(int32_t immed12, int W) +{ + LOG_ALWAYS_FATAL_IF(abs(immed12) >= 0x800, + "LDR(B)/STR(B)/PLD immediate too big (%08x)", + immed12); + amode.value = immed12; + amode.writeback = W; + return AMODE_IMM_12_PRE; +} + +uint32_t ArmToMips64Assembler::immed12_post(int32_t immed12) +{ + LOG_ALWAYS_FATAL_IF(abs(immed12) >= 0x800, + "LDR(B)/STR(B)/PLD immediate too big (%08x)", + immed12); + + amode.value = immed12; + return AMODE_IMM_12_POST; +} + +uint32_t ArmToMips64Assembler::reg_scale_pre(int Rm, int type, + uint32_t shift, int W) +{ + LOG_ALWAYS_FATAL_IF(W | type | shift, "reg_scale_pre adv modes not yet implemented"); + + amode.reg = Rm; + // amode.stype = type; // more advanced modes not used in GGLAssembler yet + // amode.value = shift; + // amode.writeback = W; + return AMODE_REG_SCALE_PRE; +} + +uint32_t ArmToMips64Assembler::reg_scale_post(int Rm, int type, uint32_t shift) +{ + LOG_ALWAYS_FATAL("adr mode reg_scale_post not yet implemented\n"); + return AMODE_UNSUPPORTED; +} + +// LDRH/LDRSB/LDRSH/STRH (immediate and Rm can be negative, which indicate U=0) +uint32_t ArmToMips64Assembler::immed8_pre(int32_t immed8, int W) +{ + LOG_ALWAYS_FATAL("adr mode immed8_pre not yet implemented\n"); + + LOG_ALWAYS_FATAL_IF(abs(immed8) >= 0x100, + "LDRH/LDRSB/LDRSH/STRH immediate too big (%08x)", + immed8); + return AMODE_IMM_8_PRE; +} + +uint32_t ArmToMips64Assembler::immed8_post(int32_t immed8) +{ + LOG_ALWAYS_FATAL_IF(abs(immed8) >= 0x100, + "LDRH/LDRSB/LDRSH/STRH immediate too big (%08x)", + immed8); + amode.value = immed8; + return AMODE_IMM_8_POST; +} + +uint32_t ArmToMips64Assembler::reg_pre(int Rm, int W) +{ + LOG_ALWAYS_FATAL_IF(W, "reg_pre writeback not yet implemented"); + amode.reg = Rm; + return AMODE_REG_PRE; +} + +uint32_t ArmToMips64Assembler::reg_post(int Rm) +{ + LOG_ALWAYS_FATAL("adr mode reg_post not yet implemented\n"); + return AMODE_UNSUPPORTED; +} + + + +// ---------------------------------------------------------------------------- + +#if 0 +#pragma mark - +#pragma mark Data Processing... +#endif + + +static const char * const dpOpNames[] = { + "AND", "EOR", "SUB", "RSB", "ADD", "ADC", "SBC", "RSC", + "TST", "TEQ", "CMP", "CMN", "ORR", "MOV", "BIC", "MVN" +}; + +// check if the operand registers from a previous CMP or S-bit instruction +// would be overwritten by this instruction. If so, move the value to a +// safe register. +// Note that we cannot tell at _this_ instruction time if a future (conditional) +// instruction will _also_ use this value (a defect of the simple 1-pass, one- +// instruction-at-a-time translation). Therefore we must be conservative and +// save the value before it is overwritten. This costs an extra MOVE instr. + +void ArmToMips64Assembler::protectConditionalOperands(int Rd) +{ + if (Rd == cond.r1) { + mMips->MOVE(R_cmp, cond.r1); + cond.r1 = R_cmp; + } + if (cond.type == CMP_COND && Rd == cond.r2) { + mMips->MOVE(R_cmp2, cond.r2); + cond.r2 = R_cmp2; + } +} + + +// interprets the addressing mode, and generates the common code +// used by the majority of data-processing ops. Many MIPS instructions +// have a register-based form and a different immediate form. See +// opAND below for an example. (this could be inlined) +// +// this works with the imm(), reg_imm() methods above, which are directly +// called by the GLLAssembler. +// note: _signed parameter defaults to false (un-signed) +// note: tmpReg parameter defaults to 1, MIPS register AT +int ArmToMips64Assembler::dataProcAdrModes(int op, int& source, bool _signed, int tmpReg) +{ + if (op < AMODE_REG) { + source = op; + return SRC_REG; + } else if (op == AMODE_IMM) { + if ((!_signed && amode.value > 0xffff) + || (_signed && ((int)amode.value < -32768 || (int)amode.value > 32767) )) { + mMips->LUI(tmpReg, (amode.value >> 16)); + if (amode.value & 0x0000ffff) { + mMips->ORI(tmpReg, tmpReg, (amode.value & 0x0000ffff)); + } + source = tmpReg; + return SRC_REG; + } else { + source = amode.value; + return SRC_IMM; + } + } else if (op == AMODE_REG_IMM) { + switch (amode.stype) { + case LSL: mMips->SLL(tmpReg, amode.reg, amode.value); break; + case LSR: mMips->SRL(tmpReg, amode.reg, amode.value); break; + case ASR: mMips->SRA(tmpReg, amode.reg, amode.value); break; + case ROR: mMips->ROTR(tmpReg, amode.reg, amode.value); break; + } + source = tmpReg; + return SRC_REG; + } else { // adr mode RRX is not used in GGL Assembler at this time + // we are screwed, this should be exception, assert-fail or something + LOG_ALWAYS_FATAL("adr mode reg_rrx not yet implemented\n"); + return SRC_ERROR; + } +} + + +void ArmToMips64Assembler::dataProcessing(int opcode, int cc, + int s, int Rd, int Rn, uint32_t Op2) +{ + int src; // src is modified by dataProcAdrModes() - passed as int& + + if (cc != AL) { + protectConditionalOperands(Rd); + // the branch tests register(s) set by prev CMP or instr with 'S' bit set + // inverse the condition to jump past this conditional instruction + ArmToMips64Assembler::B(cc^1, cond.label[++cond.labelnum]); + } else { + mArmPC[mInum++] = pc(); // save starting PC for this instr + } + + switch (opcode) { + case opAND: + if (dataProcAdrModes(Op2, src) == SRC_REG) { + mMips->AND(Rd, Rn, src); + } else { // adr mode was SRC_IMM + mMips->ANDI(Rd, Rn, src); + } + break; + + case opADD: + // set "signed" to true for adr modes + if (dataProcAdrModes(Op2, src, true) == SRC_REG) { + mMips->ADDU(Rd, Rn, src); + } else { // adr mode was SRC_IMM + mMips->ADDIU(Rd, Rn, src); + } + break; + + case opSUB: + // set "signed" to true for adr modes + if (dataProcAdrModes(Op2, src, true) == SRC_REG) { + mMips->SUBU(Rd, Rn, src); + } else { // adr mode was SRC_IMM + mMips->SUBIU(Rd, Rn, src); + } + break; + + case opADD64: + // set "signed" to true for adr modes + if (dataProcAdrModes(Op2, src, true) == SRC_REG) { + mMips->DADDU(Rd, Rn, src); + } else { // adr mode was SRC_IMM + mMips->DADDIU(Rd, Rn, src); + } + break; + + case opSUB64: + // set "signed" to true for adr modes + if (dataProcAdrModes(Op2, src, true) == SRC_REG) { + mMips->DSUBU(Rd, Rn, src); + } else { // adr mode was SRC_IMM + mMips->DSUBIU(Rd, Rn, src); + } + break; + + case opEOR: + if (dataProcAdrModes(Op2, src) == SRC_REG) { + mMips->XOR(Rd, Rn, src); + } else { // adr mode was SRC_IMM + mMips->XORI(Rd, Rn, src); + } + break; + + case opORR: + if (dataProcAdrModes(Op2, src) == SRC_REG) { + mMips->OR(Rd, Rn, src); + } else { // adr mode was SRC_IMM + mMips->ORI(Rd, Rn, src); + } + break; + + case opBIC: + if (dataProcAdrModes(Op2, src) == SRC_IMM) { + // if we are 16-bit imnmediate, load to AT reg + mMips->ORI(R_at, 0, src); + src = R_at; + } + mMips->NOT(R_at, src); + mMips->AND(Rd, Rn, R_at); + break; + + case opRSB: + if (dataProcAdrModes(Op2, src) == SRC_IMM) { + // if we are 16-bit imnmediate, load to AT reg + mMips->ORI(R_at, 0, src); + src = R_at; + } + mMips->SUBU(Rd, src, Rn); // subu with the parameters reversed + break; + + case opMOV: + if (Op2 < AMODE_REG) { // op2 is reg # in this case + mMips->MOVE(Rd, Op2); + } else if (Op2 == AMODE_IMM) { + if (amode.value > 0xffff) { + mMips->LUI(Rd, (amode.value >> 16)); + if (amode.value & 0x0000ffff) { + mMips->ORI(Rd, Rd, (amode.value & 0x0000ffff)); + } + } else { + mMips->ORI(Rd, 0, amode.value); + } + } else if (Op2 == AMODE_REG_IMM) { + switch (amode.stype) { + case LSL: mMips->SLL(Rd, amode.reg, amode.value); break; + case LSR: mMips->SRL(Rd, amode.reg, amode.value); break; + case ASR: mMips->SRA(Rd, amode.reg, amode.value); break; + case ROR: mMips->ROTR(Rd, amode.reg, amode.value); break; + } + } + else { + // adr mode RRX is not used in GGL Assembler at this time + mMips->UNIMPL(); + } + break; + + case opMVN: // this is a 1's complement: NOT + if (Op2 < AMODE_REG) { // op2 is reg # in this case + mMips->NOR(Rd, Op2, 0); // NOT is NOR with 0 + break; + } else if (Op2 == AMODE_IMM) { + if (amode.value > 0xffff) { + mMips->LUI(Rd, (amode.value >> 16)); + if (amode.value & 0x0000ffff) { + mMips->ORI(Rd, Rd, (amode.value & 0x0000ffff)); + } + } else { + mMips->ORI(Rd, 0, amode.value); + } + } else if (Op2 == AMODE_REG_IMM) { + switch (amode.stype) { + case LSL: mMips->SLL(Rd, amode.reg, amode.value); break; + case LSR: mMips->SRL(Rd, amode.reg, amode.value); break; + case ASR: mMips->SRA(Rd, amode.reg, amode.value); break; + case ROR: mMips->ROTR(Rd, amode.reg, amode.value); break; + } + } + else { + // adr mode RRX is not used in GGL Assembler at this time + mMips->UNIMPL(); + } + mMips->NOR(Rd, Rd, 0); // NOT is NOR with 0 + break; + + case opCMP: + // Either operand of a CMP instr could get overwritten by a subsequent + // conditional instruction, which is ok, _UNLESS_ there is a _second_ + // conditional instruction. Under MIPS, this requires doing the comparison + // again (SLT), and the original operands must be available. (and this + // pattern of multiple conditional instructions from same CMP _is_ used + // in GGL-Assembler) + // + // For now, if a conditional instr overwrites the operands, we will + // move them to dedicated temp regs. This is ugly, and inefficient, + // and should be optimized. + // + // WARNING: making an _Assumption_ that CMP operand regs will NOT be + // trashed by intervening NON-conditional instructions. In the general + // case this is legal, but it is NOT currently done in GGL-Assembler. + + cond.type = CMP_COND; + cond.r1 = Rn; + if (dataProcAdrModes(Op2, src, false, R_cmp2) == SRC_REG) { + cond.r2 = src; + } else { // adr mode was SRC_IMM + mMips->ORI(R_cmp2, R_zero, src); + cond.r2 = R_cmp2; + } + + break; + + + case opTST: + case opTEQ: + case opCMN: + case opADC: + case opSBC: + case opRSC: + mMips->UNIMPL(); // currently unused in GGL Assembler code + break; + } + + if (cc != AL) { + mMips->label(cond.label[cond.labelnum]); + } + if (s && opcode != opCMP) { + cond.type = SBIT_COND; + cond.r1 = Rd; + } +} + + + +#if 0 +#pragma mark - +#pragma mark Multiply... +#endif + +// multiply, accumulate +void ArmToMips64Assembler::MLA(int cc, int s, + int Rd, int Rm, int Rs, int Rn) { + + //ALOGW("MLA"); + mArmPC[mInum++] = pc(); // save starting PC for this instr + + mMips->MUL(R_at, Rm, Rs); + mMips->ADDU(Rd, R_at, Rn); + if (s) { + cond.type = SBIT_COND; + cond.r1 = Rd; + } +} + +void ArmToMips64Assembler::MUL(int cc, int s, + int Rd, int Rm, int Rs) { + mArmPC[mInum++] = pc(); + mMips->MUL(Rd, Rm, Rs); + if (s) { + cond.type = SBIT_COND; + cond.r1 = Rd; + } +} + +void ArmToMips64Assembler::UMULL(int cc, int s, + int RdLo, int RdHi, int Rm, int Rs) { + mArmPC[mInum++] = pc(); + mMips->MUH(RdHi, Rm, Rs); + mMips->MUL(RdLo, Rm, Rs); + + if (s) { + cond.type = SBIT_COND; + cond.r1 = RdHi; // BUG... + LOG_ALWAYS_FATAL("Condition on UMULL must be on 64-bit result\n"); + } +} + +void ArmToMips64Assembler::UMUAL(int cc, int s, + int RdLo, int RdHi, int Rm, int Rs) { + LOG_FATAL_IF(RdLo==Rm || RdHi==Rm || RdLo==RdHi, + "UMUAL(r%u,r%u,r%u,r%u)", RdLo,RdHi,Rm,Rs); + // *mPC++ = (cc<<28) | (1<<23) | (1<<21) | (s<<20) | + // (RdHi<<16) | (RdLo<<12) | (Rs<<8) | 0x90 | Rm; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); + if (s) { + cond.type = SBIT_COND; + cond.r1 = RdHi; // BUG... + LOG_ALWAYS_FATAL("Condition on UMULL must be on 64-bit result\n"); + } +} + +void ArmToMips64Assembler::SMULL(int cc, int s, + int RdLo, int RdHi, int Rm, int Rs) { + LOG_FATAL_IF(RdLo==Rm || RdHi==Rm || RdLo==RdHi, + "SMULL(r%u,r%u,r%u,r%u)", RdLo,RdHi,Rm,Rs); + // *mPC++ = (cc<<28) | (1<<23) | (1<<22) | (s<<20) | + // (RdHi<<16) | (RdLo<<12) | (Rs<<8) | 0x90 | Rm; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); + if (s) { + cond.type = SBIT_COND; + cond.r1 = RdHi; // BUG... + LOG_ALWAYS_FATAL("Condition on SMULL must be on 64-bit result\n"); + } +} +void ArmToMips64Assembler::SMUAL(int cc, int s, + int RdLo, int RdHi, int Rm, int Rs) { + LOG_FATAL_IF(RdLo==Rm || RdHi==Rm || RdLo==RdHi, + "SMUAL(r%u,r%u,r%u,r%u)", RdLo,RdHi,Rm,Rs); + // *mPC++ = (cc<<28) | (1<<23) | (1<<22) | (1<<21) | (s<<20) | + // (RdHi<<16) | (RdLo<<12) | (Rs<<8) | 0x90 | Rm; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); + if (s) { + cond.type = SBIT_COND; + cond.r1 = RdHi; // BUG... + LOG_ALWAYS_FATAL("Condition on SMUAL must be on 64-bit result\n"); + } +} + + + +#if 0 +#pragma mark - +#pragma mark Branches... +#endif + +// branches... + +void ArmToMips64Assembler::B(int cc, const char* label) +{ + mArmPC[mInum++] = pc(); + if (cond.type == SBIT_COND) { cond.r2 = R_zero; } + + switch(cc) { + case EQ: mMips->BEQ(cond.r1, cond.r2, label); break; + case NE: mMips->BNE(cond.r1, cond.r2, label); break; + case HS: mMips->BGEU(cond.r1, cond.r2, label); break; + case LO: mMips->BLTU(cond.r1, cond.r2, label); break; + case MI: mMips->BLT(cond.r1, cond.r2, label); break; + case PL: mMips->BGE(cond.r1, cond.r2, label); break; + + case HI: mMips->BGTU(cond.r1, cond.r2, label); break; + case LS: mMips->BLEU(cond.r1, cond.r2, label); break; + case GE: mMips->BGE(cond.r1, cond.r2, label); break; + case LT: mMips->BLT(cond.r1, cond.r2, label); break; + case GT: mMips->BGT(cond.r1, cond.r2, label); break; + case LE: mMips->BLE(cond.r1, cond.r2, label); break; + case AL: mMips->B(label); break; + case NV: /* B Never - no instruction */ break; + + case VS: + case VC: + default: + LOG_ALWAYS_FATAL("Unsupported cc: %02x\n", cc); + break; + } +} + +void ArmToMips64Assembler::BL(int cc, const char* label) +{ + LOG_ALWAYS_FATAL("branch-and-link not supported yet\n"); + mArmPC[mInum++] = pc(); +} + +// no use for Branches with integer PC, but they're in the Interface class .... +void ArmToMips64Assembler::B(int cc, uint32_t* to_pc) +{ + LOG_ALWAYS_FATAL("branch to absolute PC not supported, use Label\n"); + mArmPC[mInum++] = pc(); +} + +void ArmToMips64Assembler::BL(int cc, uint32_t* to_pc) +{ + LOG_ALWAYS_FATAL("branch to absolute PC not supported, use Label\n"); + mArmPC[mInum++] = pc(); +} + +void ArmToMips64Assembler::BX(int cc, int Rn) +{ + LOG_ALWAYS_FATAL("branch to absolute PC not supported, use Label\n"); + mArmPC[mInum++] = pc(); +} + + + +#if 0 +#pragma mark - +#pragma mark Data Transfer... +#endif + +// data transfer... +void ArmToMips64Assembler::LDR(int cc, int Rd, int Rn, uint32_t offset) +{ + mArmPC[mInum++] = pc(); + // work-around for ARM default address mode of immed12_pre(0) + if (offset > AMODE_UNSUPPORTED) offset = 0; + switch (offset) { + case 0: + amode.value = 0; + amode.writeback = 0; + // fall thru to next case .... + case AMODE_IMM_12_PRE: + if (Rn == ARMAssemblerInterface::SP) { + Rn = R_sp; // convert LDR via Arm SP to LW via Mips SP + } + mMips->LW(Rd, Rn, amode.value); + if (amode.writeback) { // OPTIONAL writeback on pre-index mode + mMips->DADDIU(Rn, Rn, amode.value); + } + break; + case AMODE_IMM_12_POST: + if (Rn == ARMAssemblerInterface::SP) { + Rn = R_sp; // convert STR thru Arm SP to STR thru Mips SP + } + mMips->LW(Rd, Rn, 0); + mMips->DADDIU(Rn, Rn, amode.value); + break; + case AMODE_REG_SCALE_PRE: + // we only support simple base + index, no advanced modes for this one yet + mMips->DADDU(R_at, Rn, amode.reg); + mMips->LW(Rd, R_at, 0); + break; + } +} + +void ArmToMips64Assembler::LDRB(int cc, int Rd, int Rn, uint32_t offset) +{ + mArmPC[mInum++] = pc(); + // work-around for ARM default address mode of immed12_pre(0) + if (offset > AMODE_UNSUPPORTED) offset = 0; + switch (offset) { + case 0: + amode.value = 0; + amode.writeback = 0; + // fall thru to next case .... + case AMODE_IMM_12_PRE: + mMips->LBU(Rd, Rn, amode.value); + if (amode.writeback) { // OPTIONAL writeback on pre-index mode + mMips->DADDIU(Rn, Rn, amode.value); + } + break; + case AMODE_IMM_12_POST: + mMips->LBU(Rd, Rn, 0); + mMips->DADDIU(Rn, Rn, amode.value); + break; + case AMODE_REG_SCALE_PRE: + // we only support simple base + index, no advanced modes for this one yet + mMips->DADDU(R_at, Rn, amode.reg); + mMips->LBU(Rd, R_at, 0); + break; + } + +} + +void ArmToMips64Assembler::STR(int cc, int Rd, int Rn, uint32_t offset) +{ + mArmPC[mInum++] = pc(); + // work-around for ARM default address mode of immed12_pre(0) + if (offset > AMODE_UNSUPPORTED) offset = 0; + switch (offset) { + case 0: + amode.value = 0; + amode.writeback = 0; + // fall thru to next case .... + case AMODE_IMM_12_PRE: + if (Rn == ARMAssemblerInterface::SP) { + Rn = R_sp; // convert STR thru Arm SP to SW thru Mips SP + } + if (amode.writeback) { // OPTIONAL writeback on pre-index mode + // If we will writeback, then update the index reg, then store. + // This correctly handles stack-push case. + mMips->DADDIU(Rn, Rn, amode.value); + mMips->SW(Rd, Rn, 0); + } else { + // No writeback so store offset by value + mMips->SW(Rd, Rn, amode.value); + } + break; + case AMODE_IMM_12_POST: + mMips->SW(Rd, Rn, 0); + mMips->DADDIU(Rn, Rn, amode.value); // post index always writes back + break; + case AMODE_REG_SCALE_PRE: + // we only support simple base + index, no advanced modes for this one yet + mMips->DADDU(R_at, Rn, amode.reg); + mMips->SW(Rd, R_at, 0); + break; + } +} + +void ArmToMips64Assembler::STRB(int cc, int Rd, int Rn, uint32_t offset) +{ + mArmPC[mInum++] = pc(); + // work-around for ARM default address mode of immed12_pre(0) + if (offset > AMODE_UNSUPPORTED) offset = 0; + switch (offset) { + case 0: + amode.value = 0; + amode.writeback = 0; + // fall thru to next case .... + case AMODE_IMM_12_PRE: + mMips->SB(Rd, Rn, amode.value); + if (amode.writeback) { // OPTIONAL writeback on pre-index mode + mMips->DADDIU(Rn, Rn, amode.value); + } + break; + case AMODE_IMM_12_POST: + mMips->SB(Rd, Rn, 0); + mMips->DADDIU(Rn, Rn, amode.value); + break; + case AMODE_REG_SCALE_PRE: + // we only support simple base + index, no advanced modes for this one yet + mMips->DADDU(R_at, Rn, amode.reg); + mMips->SB(Rd, R_at, 0); + break; + } +} + +void ArmToMips64Assembler::LDRH(int cc, int Rd, int Rn, uint32_t offset) +{ + mArmPC[mInum++] = pc(); + // work-around for ARM default address mode of immed8_pre(0) + if (offset > AMODE_UNSUPPORTED) offset = 0; + switch (offset) { + case 0: + amode.value = 0; + // fall thru to next case .... + case AMODE_IMM_8_PRE: // no support yet for writeback + mMips->LHU(Rd, Rn, amode.value); + break; + case AMODE_IMM_8_POST: + mMips->LHU(Rd, Rn, 0); + mMips->DADDIU(Rn, Rn, amode.value); + break; + case AMODE_REG_PRE: + // we only support simple base +/- index + if (amode.reg >= 0) { + mMips->DADDU(R_at, Rn, amode.reg); + } else { + mMips->DSUBU(R_at, Rn, abs(amode.reg)); + } + mMips->LHU(Rd, R_at, 0); + break; + } +} + +void ArmToMips64Assembler::LDRSB(int cc, int Rd, int Rn, uint32_t offset) +{ + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +void ArmToMips64Assembler::LDRSH(int cc, int Rd, int Rn, uint32_t offset) +{ + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +void ArmToMips64Assembler::STRH(int cc, int Rd, int Rn, uint32_t offset) +{ + mArmPC[mInum++] = pc(); + // work-around for ARM default address mode of immed8_pre(0) + if (offset > AMODE_UNSUPPORTED) offset = 0; + switch (offset) { + case 0: + amode.value = 0; + // fall thru to next case .... + case AMODE_IMM_8_PRE: // no support yet for writeback + mMips->SH(Rd, Rn, amode.value); + break; + case AMODE_IMM_8_POST: + mMips->SH(Rd, Rn, 0); + mMips->DADDIU(Rn, Rn, amode.value); + break; + case AMODE_REG_PRE: + // we only support simple base +/- index + if (amode.reg >= 0) { + mMips->DADDU(R_at, Rn, amode.reg); + } else { + mMips->DSUBU(R_at, Rn, abs(amode.reg)); + } + mMips->SH(Rd, R_at, 0); + break; + } +} + + + +#if 0 +#pragma mark - +#pragma mark Block Data Transfer... +#endif + +// block data transfer... +void ArmToMips64Assembler::LDM(int cc, int dir, + int Rn, int W, uint32_t reg_list) +{ // ED FD EA FA IB IA DB DA + // const uint8_t P[8] = { 1, 0, 1, 0, 1, 0, 1, 0 }; + // const uint8_t U[8] = { 1, 1, 0, 0, 1, 1, 0, 0 }; + // *mPC++ = (cc<<28) | (4<<25) | (uint32_t(P[dir])<<24) | + // (uint32_t(U[dir])<<23) | (1<<20) | (W<<21) | (Rn<<16) | reg_list; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +void ArmToMips64Assembler::STM(int cc, int dir, + int Rn, int W, uint32_t reg_list) +{ // FA EA FD ED IB IA DB DA + // const uint8_t P[8] = { 0, 1, 0, 1, 1, 0, 1, 0 }; + // const uint8_t U[8] = { 0, 0, 1, 1, 1, 1, 0, 0 }; + // *mPC++ = (cc<<28) | (4<<25) | (uint32_t(P[dir])<<24) | + // (uint32_t(U[dir])<<23) | (0<<20) | (W<<21) | (Rn<<16) | reg_list; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + + + +#if 0 +#pragma mark - +#pragma mark Special... +#endif + +// special... +void ArmToMips64Assembler::SWP(int cc, int Rn, int Rd, int Rm) { + // *mPC++ = (cc<<28) | (2<<23) | (Rn<<16) | (Rd << 12) | 0x90 | Rm; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +void ArmToMips64Assembler::SWPB(int cc, int Rn, int Rd, int Rm) { + // *mPC++ = (cc<<28) | (2<<23) | (1<<22) | (Rn<<16) | (Rd << 12) | 0x90 | Rm; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +void ArmToMips64Assembler::SWI(int cc, uint32_t comment) { + // *mPC++ = (cc<<28) | (0xF<<24) | comment; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + + +#if 0 +#pragma mark - +#pragma mark DSP instructions... +#endif + +// DSP instructions... +void ArmToMips64Assembler::PLD(int Rn, uint32_t offset) { + LOG_ALWAYS_FATAL_IF(!((offset&(1<<24)) && !(offset&(1<<21))), + "PLD only P=1, W=0"); + // *mPC++ = 0xF550F000 | (Rn<<16) | offset; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +void ArmToMips64Assembler::CLZ(int cc, int Rd, int Rm) +{ + mArmPC[mInum++] = pc(); + mMips->CLZ(Rd, Rm); +} + +void ArmToMips64Assembler::QADD(int cc, int Rd, int Rm, int Rn) +{ + // *mPC++ = (cc<<28) | 0x1000050 | (Rn<<16) | (Rd<<12) | Rm; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +void ArmToMips64Assembler::QDADD(int cc, int Rd, int Rm, int Rn) +{ + // *mPC++ = (cc<<28) | 0x1400050 | (Rn<<16) | (Rd<<12) | Rm; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +void ArmToMips64Assembler::QSUB(int cc, int Rd, int Rm, int Rn) +{ + // *mPC++ = (cc<<28) | 0x1200050 | (Rn<<16) | (Rd<<12) | Rm; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +void ArmToMips64Assembler::QDSUB(int cc, int Rd, int Rm, int Rn) +{ + // *mPC++ = (cc<<28) | 0x1600050 | (Rn<<16) | (Rd<<12) | Rm; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +// 16 x 16 signed multiply (like SMLAxx without the accumulate) +void ArmToMips64Assembler::SMUL(int cc, int xy, + int Rd, int Rm, int Rs) +{ + mArmPC[mInum++] = pc(); + + // the 16 bits may be in the top or bottom half of 32-bit source reg, + // as defined by the codes BB, BT, TB, TT (compressed param xy) + // where x corresponds to Rm and y to Rs + + // select half-reg for Rm + if (xy & xyTB) { + // use top 16-bits + mMips->SRA(R_at, Rm, 16); + } else { + // use bottom 16, but sign-extend to 32 + mMips->SEH(R_at, Rm); + } + // select half-reg for Rs + if (xy & xyBT) { + // use top 16-bits + mMips->SRA(R_at2, Rs, 16); + } else { + // use bottom 16, but sign-extend to 32 + mMips->SEH(R_at2, Rs); + } + mMips->MUL(Rd, R_at, R_at2); +} + +// signed 32b x 16b multiple, save top 32-bits of 48-bit result +void ArmToMips64Assembler::SMULW(int cc, int y, + int Rd, int Rm, int Rs) +{ + mArmPC[mInum++] = pc(); + + // the selector yT or yB refers to reg Rs + if (y & yT) { + // zero the bottom 16-bits, with 2 shifts, it can affect result + mMips->SRL(R_at, Rs, 16); + mMips->SLL(R_at, R_at, 16); + + } else { + // move low 16-bit half, to high half + mMips->SLL(R_at, Rs, 16); + } + mMips->MUH(Rd, Rm, R_at); +} + +// 16 x 16 signed multiply, accumulate: Rd = Rm{16} * Rs{16} + Rn +void ArmToMips64Assembler::SMLA(int cc, int xy, + int Rd, int Rm, int Rs, int Rn) +{ + mArmPC[mInum++] = pc(); + + // the 16 bits may be in the top or bottom half of 32-bit source reg, + // as defined by the codes BB, BT, TB, TT (compressed param xy) + // where x corresponds to Rm and y to Rs + + // select half-reg for Rm + if (xy & xyTB) { + // use top 16-bits + mMips->SRA(R_at, Rm, 16); + } else { + // use bottom 16, but sign-extend to 32 + mMips->SEH(R_at, Rm); + } + // select half-reg for Rs + if (xy & xyBT) { + // use top 16-bits + mMips->SRA(R_at2, Rs, 16); + } else { + // use bottom 16, but sign-extend to 32 + mMips->SEH(R_at2, Rs); + } + + mMips->MUL(R_at, R_at, R_at2); + mMips->ADDU(Rd, R_at, Rn); +} + +void ArmToMips64Assembler::SMLAL(int cc, int xy, + int RdHi, int RdLo, int Rs, int Rm) +{ + // *mPC++ = (cc<<28) | 0x1400080 | (RdHi<<16) | (RdLo<<12) | (Rs<<8) | (xy<<4) | Rm; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +void ArmToMips64Assembler::SMLAW(int cc, int y, + int Rd, int Rm, int Rs, int Rn) +{ + // *mPC++ = (cc<<28) | 0x1200080 | (Rd<<16) | (Rn<<12) | (Rs<<8) | (y<<4) | Rm; + mArmPC[mInum++] = pc(); + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +// used by ARMv6 version of GGLAssembler::filter32 +void ArmToMips64Assembler::UXTB16(int cc, int Rd, int Rm, int rotate) +{ + mArmPC[mInum++] = pc(); + + //Rd[31:16] := ZeroExtend((Rm ROR (8 * sh))[23:16]), + //Rd[15:0] := ZeroExtend((Rm ROR (8 * sh))[7:0]). sh 0-3. + + mMips->ROTR(R_at2, Rm, rotate * 8); + mMips->LUI(R_at, 0xFF); + mMips->ORI(R_at, R_at, 0xFF); + mMips->AND(Rd, R_at2, R_at); +} + +void ArmToMips64Assembler::UBFX(int cc, int Rd, int Rn, int lsb, int width) +{ + /* Placeholder for UBFX */ + mArmPC[mInum++] = pc(); + + mMips->NOP2(); + NOT_IMPLEMENTED(); +} + +// ---------------------------------------------------------------------------- +// Address Processing... +// ---------------------------------------------------------------------------- + +void ArmToMips64Assembler::ADDR_ADD(int cc, + int s, int Rd, int Rn, uint32_t Op2) +{ +// if(cc != AL){ NOT_IMPLEMENTED(); return;} //Not required +// if(s != 0) { NOT_IMPLEMENTED(); return;} //Not required + dataProcessing(opADD64, cc, s, Rd, Rn, Op2); +} + +void ArmToMips64Assembler::ADDR_SUB(int cc, + int s, int Rd, int Rn, uint32_t Op2) +{ +// if(cc != AL){ NOT_IMPLEMENTED(); return;} //Not required +// if(s != 0) { NOT_IMPLEMENTED(); return;} //Not required + dataProcessing(opSUB64, cc, s, Rd, Rn, Op2); +} + +void ArmToMips64Assembler::ADDR_LDR(int cc, int Rd, int Rn, uint32_t offset) { + mArmPC[mInum++] = pc(); + // work-around for ARM default address mode of immed12_pre(0) + if (offset > AMODE_UNSUPPORTED) offset = 0; + switch (offset) { + case 0: + amode.value = 0; + amode.writeback = 0; + // fall thru to next case .... + case AMODE_IMM_12_PRE: + if (Rn == ARMAssemblerInterface::SP) { + Rn = R_sp; // convert LDR via Arm SP to LW via Mips SP + } + mMips->LD(Rd, Rn, amode.value); + if (amode.writeback) { // OPTIONAL writeback on pre-index mode + mMips->DADDIU(Rn, Rn, amode.value); + } + break; + case AMODE_IMM_12_POST: + if (Rn == ARMAssemblerInterface::SP) { + Rn = R_sp; // convert STR thru Arm SP to STR thru Mips SP + } + mMips->LD(Rd, Rn, 0); + mMips->DADDIU(Rn, Rn, amode.value); + break; + case AMODE_REG_SCALE_PRE: + // we only support simple base + index, no advanced modes for this one yet + mMips->DADDU(R_at, Rn, amode.reg); + mMips->LD(Rd, R_at, 0); + break; + } +} + +void ArmToMips64Assembler::ADDR_STR(int cc, int Rd, int Rn, uint32_t offset) { + mArmPC[mInum++] = pc(); + // work-around for ARM default address mode of immed12_pre(0) + if (offset > AMODE_UNSUPPORTED) offset = 0; + switch (offset) { + case 0: + amode.value = 0; + amode.writeback = 0; + // fall thru to next case .... + case AMODE_IMM_12_PRE: + if (Rn == ARMAssemblerInterface::SP) { + Rn = R_sp; // convert STR thru Arm SP to SW thru Mips SP + } + if (amode.writeback) { // OPTIONAL writeback on pre-index mode + // If we will writeback, then update the index reg, then store. + // This correctly handles stack-push case. + mMips->DADDIU(Rn, Rn, amode.value); + mMips->SD(Rd, Rn, 0); + } else { + // No writeback so store offset by value + mMips->SD(Rd, Rn, amode.value); + } + break; + case AMODE_IMM_12_POST: + mMips->SD(Rd, Rn, 0); + mMips->DADDIU(Rn, Rn, amode.value); // post index always writes back + break; + case AMODE_REG_SCALE_PRE: + // we only support simple base + index, no advanced modes for this one yet + mMips->DADDU(R_at, Rn, amode.reg); + mMips->SD(Rd, R_at, 0); + break; + } +} + +#if 0 +#pragma mark - +#pragma mark MIPS Assembler... +#endif + + +//************************************************************************** +//************************************************************************** +//************************************************************************** + + +/* MIPS64 assembler +** this is a subset of mips64r6, targeted specifically at ARM instruction +** replacement in the pixelflinger/codeflinger code. +** +** This class is extended from MIPSAssembler class and overrides only +** MIPS64r6 specific stuff. +*/ + +MIPS64Assembler::MIPS64Assembler(const sp<Assembly>& assembly, ArmToMips64Assembler *parent) + : mParent(parent), + MIPSAssembler::MIPSAssembler(assembly, NULL) +{ +} + +MIPS64Assembler::MIPS64Assembler(void* assembly, ArmToMips64Assembler *parent) + : mParent(parent), + MIPSAssembler::MIPSAssembler(NULL, NULL) +{ + mBase = mPC = (uint32_t *)assembly; +} + +MIPS64Assembler::~MIPS64Assembler() +{ +} + +void MIPS64Assembler::reset() +{ + if (mAssembly != NULL) { + mBase = mPC = (uint32_t *)mAssembly->base(); + } else { + mPC = mBase = base(); + } + mBranchTargets.clear(); + mLabels.clear(); + mLabelsInverseMapping.clear(); + mComments.clear(); +} + + +void MIPS64Assembler::disassemble(const char* name) +{ + char di_buf[140]; + + bool arm_disasm_fmt = (mParent->mArmDisassemblyBuffer == NULL) ? false : true; + + typedef char dstr[40]; + dstr *lines = (dstr *)mParent->mArmDisassemblyBuffer; + + if (mParent->mArmDisassemblyBuffer != NULL) { + for (int i=0; i<mParent->mArmInstrCount; ++i) { + string_detab(lines[i]); + } + } + + // iArm is an index to Arm instructions 1...n for this assembly sequence + // mArmPC[iArm] holds the value of the Mips-PC for the first MIPS + // instruction corresponding to that Arm instruction number + + int iArm = 0; + size_t count = pc()-base(); + uint32_t* mipsPC = base(); + + while (count--) { + ssize_t label = mLabelsInverseMapping.indexOfKey(mipsPC); + if (label >= 0) { + ALOGW("%s:\n", mLabelsInverseMapping.valueAt(label)); + } + ssize_t comment = mComments.indexOfKey(mipsPC); + if (comment >= 0) { + ALOGW("; %s\n", mComments.valueAt(comment)); + } + ::mips_disassem(mipsPC, di_buf, arm_disasm_fmt); + string_detab(di_buf); + string_pad(di_buf, 30); + ALOGW("%08lx: %08x %s", uintptr_t(mipsPC), uint32_t(*mipsPC), di_buf); + mipsPC++; + } +} + +void MIPS64Assembler::fix_branches() +{ + // fixup all the branches + size_t count = mBranchTargets.size(); + while (count--) { + const branch_target_t& bt = mBranchTargets[count]; + uint32_t* target_pc = mLabels.valueFor(bt.label); + LOG_ALWAYS_FATAL_IF(!target_pc, + "error resolving branch targets, target_pc is null"); + int32_t offset = int32_t(target_pc - (bt.pc+1)); + *bt.pc |= offset & 0x00FFFF; + } +} + +void MIPS64Assembler::DADDU(int Rd, int Rs, int Rt) +{ + *mPC++ = (spec_op<<OP_SHF) | (daddu_fn<<FUNC_SHF) + | (Rs<<RS_SHF) | (Rt<<RT_SHF) | (Rd<<RD_SHF); +} + +void MIPS64Assembler::DADDIU(int Rt, int Rs, int16_t imm) +{ + *mPC++ = (daddiu_op<<OP_SHF) | (Rt<<RT_SHF) | (Rs<<RS_SHF) | (imm & MSK_16); +} + +void MIPS64Assembler::DSUBU(int Rd, int Rs, int Rt) +{ + *mPC++ = (spec_op<<OP_SHF) | (dsubu_fn<<FUNC_SHF) | + (Rs<<RS_SHF) | (Rt<<RT_SHF) | (Rd<<RD_SHF) ; +} + +void MIPS64Assembler::DSUBIU(int Rt, int Rs, int16_t imm) // really addiu(d, s, -j) +{ + *mPC++ = (daddiu_op<<OP_SHF) | (Rt<<RT_SHF) | (Rs<<RS_SHF) | ((-imm) & MSK_16); +} + +void MIPS64Assembler::MUL(int Rd, int Rs, int Rt) +{ + *mPC++ = (spec_op<<OP_SHF) | (mul_fn<<RE_SHF) | (sop30_fn<<FUNC_SHF) | + (Rs<<RS_SHF) | (Rt<<RT_SHF) | (Rd<<RD_SHF) ; +} + +void MIPS64Assembler::MUH(int Rd, int Rs, int Rt) +{ + *mPC++ = (spec_op<<OP_SHF) | (muh_fn<<RE_SHF) | (sop30_fn<<FUNC_SHF) | + (Rs<<RS_SHF) | (Rt<<RT_SHF) | (Rd<<RD_SHF) ; +} + +void MIPS64Assembler::CLO(int Rd, int Rs) +{ + *mPC++ = (spec_op<<OP_SHF) | (17<<FUNC_SHF) | + (Rd<<RD_SHF) | (Rs<<RS_SHF) | (1<<RE_SHF); +} + +void MIPS64Assembler::CLZ(int Rd, int Rs) +{ + *mPC++ = (spec_op<<OP_SHF) | (16<<FUNC_SHF) | + (Rd<<RD_SHF) | (Rs<<RS_SHF) | (1<<RE_SHF); +} + +void MIPS64Assembler::LD(int Rt, int Rbase, int16_t offset) +{ + *mPC++ = (ld_op<<OP_SHF) | (Rbase<<RS_SHF) | (Rt<<RT_SHF) | (offset & MSK_16); +} + +void MIPS64Assembler::SD(int Rt, int Rbase, int16_t offset) +{ + *mPC++ = (sd_op<<OP_SHF) | (Rbase<<RS_SHF) | (Rt<<RT_SHF) | (offset & MSK_16); +} + +void MIPS64Assembler::LUI(int Rt, int16_t offset) +{ + *mPC++ = (aui_op<<OP_SHF) | (Rt<<RT_SHF) | (offset & MSK_16); +} + + +void MIPS64Assembler::JR(int Rs) +{ + *mPC++ = (spec_op<<OP_SHF) | (Rs<<RS_SHF) | (jalr_fn << FUNC_SHF); + MIPS64Assembler::NOP(); +} + +}; // namespace android: |