Merge tag 'android-11.0.0_r16' into android-10.0

Android 11.0.0 release 16 - twrp bringup patch
diff --git a/libpixelflinger/codeflinger/ARMAssembler.h b/libpixelflinger/codeflinger/ARMAssembler.h
new file mode 100644
index 0000000..76acf7e
--- /dev/null
+++ b/libpixelflinger/codeflinger/ARMAssembler.h
@@ -0,0 +1,187 @@
+/* libs/pixelflinger/codeflinger/ARMAssembler.h
+**
+** Copyright 2006, 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.
+*/
+
+#ifndef ANDROID_ARMASSEMBLER_H
+#define ANDROID_ARMASSEMBLER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include "tinyutils/smartpointer.h"
+#include "utils/Vector.h"
+#include "utils/KeyedVector.h"
+
+#include "ARMAssemblerInterface.h"
+#include "CodeCache.h"
+
+namespace android {
+
+// ----------------------------------------------------------------------------
+
+class ARMAssembler : public ARMAssemblerInterface
+{
+public:
+    explicit    ARMAssembler(const sp<Assembly>& assembly);
+    virtual     ~ARMAssembler();
+
+    uint32_t*   base() const;
+    uint32_t*   pc() const;
+
+
+    void        disassemble(const char* name);
+
+    // ------------------------------------------------------------------------
+    // ARMAssemblerInterface...
+    // ------------------------------------------------------------------------
+
+    virtual void    reset();
+
+    virtual int     generate(const char* name);
+    virtual int     getCodegenArch();
+
+    virtual void    prolog();
+    virtual void    epilog(uint32_t touched);
+    virtual void    comment(const char* string);
+
+
+    // -----------------------------------------------------------------------
+    // shifters and addressing modes
+    // -----------------------------------------------------------------------
+
+    // shifters...
+    virtual bool        isValidImmediate(uint32_t immed);
+    virtual int         buildImmediate(uint32_t i, uint32_t& rot, uint32_t& imm);
+
+    virtual uint32_t    imm(uint32_t immediate);
+    virtual uint32_t    reg_imm(int Rm, int type, uint32_t shift);
+    virtual uint32_t    reg_rrx(int Rm);
+    virtual uint32_t    reg_reg(int Rm, int type, int Rs);
+
+    // addressing modes...
+    // LDR(B)/STR(B)/PLD
+    // (immediate and Rm can be negative, which indicates U=0)
+    virtual uint32_t    immed12_pre(int32_t immed12, int W=0);
+    virtual uint32_t    immed12_post(int32_t immed12);
+    virtual uint32_t    reg_scale_pre(int Rm, int type=0, uint32_t shift=0, int W=0);
+    virtual uint32_t    reg_scale_post(int Rm, int type=0, uint32_t shift=0);
+
+    // LDRH/LDRSB/LDRSH/STRH
+    // (immediate and Rm can be negative, which indicates U=0)
+    virtual uint32_t    immed8_pre(int32_t immed8, int W=0);
+    virtual uint32_t    immed8_post(int32_t immed8);
+    virtual uint32_t    reg_pre(int Rm, int W=0);
+    virtual uint32_t    reg_post(int Rm);
+
+
+    virtual void    dataProcessing(int opcode, int cc, int s,
+                                int Rd, int Rn,
+                                uint32_t Op2);
+    virtual void MLA(int cc, int s,
+                int Rd, int Rm, int Rs, int Rn);
+    virtual void MUL(int cc, int s,
+                int Rd, int Rm, int Rs);
+    virtual void UMULL(int cc, int s,
+                int RdLo, int RdHi, int Rm, int Rs);
+    virtual void UMUAL(int cc, int s,
+                int RdLo, int RdHi, int Rm, int Rs);
+    virtual void SMULL(int cc, int s,
+                int RdLo, int RdHi, int Rm, int Rs);
+    virtual void SMUAL(int cc, int s,
+                int RdLo, int RdHi, int Rm, int Rs);
+
+    virtual void B(int cc, uint32_t* pc);
+    virtual void BL(int cc, uint32_t* pc);
+    virtual void BX(int cc, int Rn);
+    virtual void label(const char* theLabel);
+    virtual void B(int cc, const char* label);
+    virtual void BL(int cc, const char* label);
+
+    virtual uint32_t* pcForLabel(const char* label);
+
+    virtual void LDR (int cc, int Rd,
+                int Rn, uint32_t offset = __immed12_pre(0));
+    virtual void LDRB(int cc, int Rd,
+                int Rn, uint32_t offset = __immed12_pre(0));
+    virtual void STR (int cc, int Rd,
+                int Rn, uint32_t offset = __immed12_pre(0));
+    virtual void STRB(int cc, int Rd,
+                int Rn, uint32_t offset = __immed12_pre(0));
+    virtual void LDRH (int cc, int Rd,
+                int Rn, uint32_t offset = __immed8_pre(0));
+    virtual void LDRSB(int cc, int Rd, 
+                int Rn, uint32_t offset = __immed8_pre(0));
+    virtual void LDRSH(int cc, int Rd,
+                int Rn, uint32_t offset = __immed8_pre(0));
+    virtual void STRH (int cc, int Rd,
+                int Rn, uint32_t offset = __immed8_pre(0));
+
+
+    virtual void LDM(int cc, int dir,
+                int Rn, int W, uint32_t reg_list);
+    virtual void STM(int cc, int dir,
+                int Rn, int W, uint32_t reg_list);
+
+    virtual void SWP(int cc, int Rn, int Rd, int Rm);
+    virtual void SWPB(int cc, int Rn, int Rd, int Rm);
+    virtual void SWI(int cc, uint32_t comment);
+
+    virtual void PLD(int Rn, uint32_t offset);
+    virtual void CLZ(int cc, int Rd, int Rm);
+    virtual void QADD(int cc, int Rd, int Rm, int Rn);
+    virtual void QDADD(int cc, int Rd, int Rm, int Rn);
+    virtual void QSUB(int cc, int Rd, int Rm, int Rn);
+    virtual void QDSUB(int cc, int Rd, int Rm, int Rn);
+    virtual void SMUL(int cc, int xy,
+                int Rd, int Rm, int Rs);
+    virtual void SMULW(int cc, int y,
+                int Rd, int Rm, int Rs);
+    virtual void SMLA(int cc, int xy,
+                int Rd, int Rm, int Rs, int Rn);
+    virtual void SMLAL(int cc, int xy,
+                int RdHi, int RdLo, int Rs, int Rm);
+    virtual void SMLAW(int cc, int y,
+                int Rd, int Rm, int Rs, int Rn);
+    virtual void UXTB16(int cc, int Rd, int Rm, int rotate);
+    virtual void UBFX(int cc, int Rd, int Rn, int lsb, int width);
+
+private:
+                ARMAssembler(const ARMAssembler& rhs);
+                ARMAssembler& operator = (const ARMAssembler& rhs);
+
+    sp<Assembly>    mAssembly;
+    uint32_t*       mBase;
+    uint32_t*       mPC;
+    uint32_t*       mPrologPC;
+    int64_t         mDuration;
+    
+    struct branch_target_t {
+        inline branch_target_t() : label(0), pc(0) { }
+        inline branch_target_t(const char* l, uint32_t* p)
+            : label(l), pc(p) { }
+        const char* label;
+        uint32_t*   pc;
+    };
+    
+    Vector<branch_target_t>                 mBranchTargets;
+    KeyedVector< const char*, uint32_t* >   mLabels;
+    KeyedVector< uint32_t*, const char* >   mLabelsInverseMapping;
+    KeyedVector< uint32_t*, const char* >   mComments;
+};
+
+}; // namespace android
+
+#endif //ANDROID_ARMASSEMBLER_H