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vfp: Actually make the code somewhat readable
This commit is contained in:
Lioncash
parent
4bf803579f
commit
9c7f2570f7
@ -28,9 +28,40 @@
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#include "core/arm/dyncom/arm_dyncom_dec.h"
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#include "core/arm/dyncom/arm_dyncom_dec.h"
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const ISEITEM arm_instruction[] = {
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const ISEITEM arm_instruction[] = {
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#define VFP_DECODE
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{"vmla", 4, ARMVFP2, 23, 27, 0x1C, 20, 21, 0x0, 9, 11, 0x5, 4, 4, 0},
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#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
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{"vmls", 7, ARMVFP2, 28, 31, 0xF, 25, 27, 0x1, 23, 23, 1, 11, 11, 0, 8, 9, 0x2, 6, 6, 1, 4, 4, 0},
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#undef VFP_DECODE
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{"vnmla", 4, ARMVFP2, 23, 27, 0x1C, 20, 21, 0x1, 9, 11, 0x5, 4, 4, 0},
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{"vnmla", 5, ARMVFP2, 23, 27, 0x1C, 20, 21, 0x2, 9, 11, 0x5, 6, 6, 1, 4, 4, 0},
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{"vnmls", 5, ARMVFP2, 23, 27, 0x1C, 20, 21, 0x1, 9, 11, 0x5, 6, 6, 0, 4, 4, 0},
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{"vnmul", 5, ARMVFP2, 23, 27, 0x1C, 20, 21, 0x2, 9, 11, 0x5, 6, 6, 1, 4, 4, 0},
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{"vmul", 5, ARMVFP2, 23, 27, 0x1C, 20, 21, 0x2, 9, 11, 0x5, 6, 6, 0, 4, 4, 0},
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{"vadd", 5, ARMVFP2, 23, 27, 0x1C, 20, 21, 0x3, 9, 11, 0x5, 6, 6, 0, 4, 4, 0},
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{"vsub", 5, ARMVFP2, 23, 27, 0x1C, 20, 21, 0x3, 9, 11, 0x5, 6, 6, 1, 4, 4, 0},
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{"vdiv", 5, ARMVFP2, 23, 27, 0x1D, 20, 21, 0x0, 9, 11, 0x5, 6, 6, 0, 4, 4, 0},
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{"vmov(i)", 4, ARMVFP3, 23, 27, 0x1D, 20, 21, 0x3, 9, 11, 0x5, 4, 7, 0},
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{"vmov(r)", 5, ARMVFP3, 23, 27, 0x1D, 16, 21, 0x30, 9, 11, 0x5, 6, 7, 1, 4, 4, 0},
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{"vabs", 5, ARMVFP2, 23, 27, 0x1D, 16, 21, 0x30, 9, 11, 0x5, 6, 7, 3, 4, 4, 0},
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{"vneg", 5, ARMVFP2, 23, 27, 0x1D, 17, 21, 0x18, 9, 11, 0x5, 6, 7, 1, 4, 4, 0},
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{"vsqrt", 5, ARMVFP2, 23, 27, 0x1D, 16, 21, 0x31, 9, 11, 0x5, 6, 7, 3, 4, 4, 0},
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{"vcmp", 5, ARMVFP2, 23, 27, 0x1D, 16, 21, 0x34, 9, 11, 0x5, 6, 6, 1, 4, 4, 0},
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{"vcmp2", 5, ARMVFP2, 23, 27, 0x1D, 16, 21, 0x35, 9, 11, 0x5, 0, 6, 0x40},
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{"vcvt(bds)", 5, ARMVFP2, 23, 27, 0x1D, 16, 21, 0x37, 9, 11, 0x5, 6, 7, 3, 4, 4, 0},
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{"vcvt(bff)", 6, ARMVFP3, 23, 27, 0x1D, 19, 21, 0x7, 17, 17, 0x1, 9, 11,5, 6, 6, 1},
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{"vcvt(bfi)", 5, ARMVFP2, 23, 27, 0x1D, 19, 21, 0x7, 9, 11, 0x5, 6, 6, 1, 4, 4, 0},
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{"vmovbrs", 3, ARMVFP2, 21, 27, 0x70, 8, 11, 0xA, 0, 6, 0x10},
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{"vmsr", 2, ARMVFP2, 20, 27, 0xEE, 0, 11, 0xA10},
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{"vmovbrc", 4, ARMVFP2, 23, 27, 0x1C, 20, 20, 0x0, 8, 11, 0xB, 0,4,0x10},
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{"vmrs", 2, ARMVFP2, 20, 27, 0xEF, 0, 11, 0xA10},
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{"vmovbcr", 4, ARMVFP2, 24, 27, 0xE, 20, 20, 1, 8, 11, 0xB, 0,4,0x10},
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{"vmovbrrss", 3, ARMVFP2, 21, 27, 0x62, 8, 11, 0xA, 4, 4, 1},
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{"vmovbrrd", 3, ARMVFP2, 21, 27, 0x62, 6, 11, 0x2C, 4, 4, 1},
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{"vstr", 3, ARMVFP2, 24, 27, 0xD, 20, 21, 0, 9, 11,5},
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{"vpush", 3, ARMVFP2, 23, 27, 0x1A, 16, 21, 0x2D, 9, 11,5},
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{"vstm", 3, ARMVFP2, 25, 27, 0x6, 20, 20, 0, 9, 11,5},
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{"vpop", 3, ARMVFP2, 23, 27, 0x19, 16, 21, 0x3D, 9, 11,5},
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{"vldr", 3, ARMVFP2, 24, 27, 0xD, 20, 21, 1, 9, 11,5},
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{"vldm", 3, ARMVFP2, 25, 27, 0x6, 20, 20, 1, 9, 11,5},
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{"srs" , 4 , 6 , 25, 31, 0x0000007c, 22, 22, 0x00000001, 16, 20, 0x0000000d, 8, 11, 0x00000005},
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{"srs" , 4 , 6 , 25, 31, 0x0000007c, 22, 22, 0x00000001, 16, 20, 0x0000000d, 8, 11, 0x00000005},
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{"rfe" , 4 , 6 , 25, 31, 0x0000007c, 22, 22, 0x00000000, 20, 20, 0x00000001, 8, 11, 0x0000000a},
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{"rfe" , 4 , 6 , 25, 31, 0x0000007c, 22, 22, 0x00000000, 20, 20, 0x00000001, 8, 11, 0x0000000a},
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{"bkpt" , 2 , 3 , 20, 31, 0x00000e12, 4, 7, 0x00000007},
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{"bkpt" , 2 , 3 , 20, 31, 0x00000e12, 4, 7, 0x00000007},
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@ -187,9 +218,40 @@ const ISEITEM arm_instruction[] = {
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};
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};
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const ISEITEM arm_exclusion_code[] = {
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const ISEITEM arm_exclusion_code[] = {
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#define VFP_DECODE_EXCLUSION
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{"vmla", 0, ARMVFP2, 0},
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#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
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{"vmls", 0, ARMVFP2, 0},
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#undef VFP_DECODE_EXCLUSION
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{"vnmla", 0, ARMVFP2, 0},
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{"vnmla", 0, ARMVFP2, 0},
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{"vnmls", 0, ARMVFP2, 0},
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{"vnmul", 0, ARMVFP2, 0},
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{"vmul", 0, ARMVFP2, 0},
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{"vadd", 0, ARMVFP2, 0},
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{"vsub", 0, ARMVFP2, 0},
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{"vdiv", 0, ARMVFP2, 0},
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{"vmov(i)", 0, ARMVFP3, 0},
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{"vmov(r)", 0, ARMVFP3, 0},
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{"vabs", 0, ARMVFP2, 0},
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{"vneg", 0, ARMVFP2, 0},
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{"vsqrt", 0, ARMVFP2, 0},
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{"vcmp", 0, ARMVFP2, 0},
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{"vcmp2", 0, ARMVFP2, 0},
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{"vcvt(bff)", 0, ARMVFP3, 4, 4, 1},
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{"vcvt(bds)", 0, ARMVFP2, 0},
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{"vcvt(bfi)", 0, ARMVFP2, 0},
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{"vmovbrs", 0, ARMVFP2, 0},
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{"vmsr", 0, ARMVFP2, 0},
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{"vmovbrc", 0, ARMVFP2, 0},
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{"vmrs", 0, ARMVFP2, 0},
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{"vmovbcr", 0, ARMVFP2, 0},
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{"vmovbrrss", 0, ARMVFP2, 0},
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{"vmovbrrd", 0, ARMVFP2, 0},
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{"vstr", 0, ARMVFP2, 0},
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{"vpush", 0, ARMVFP2, 0},
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{"vstm", 0, ARMVFP2, 0},
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{"vpop", 0, ARMVFP2, 0},
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{"vldr", 0, ARMVFP2, 0},
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{"vldm", 0, ARMVFP2, 0},
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{"srs" , 0 , 6 , 0},
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{"srs" , 0 , 6 , 0},
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{"rfe" , 0 , 6 , 0},
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{"rfe" , 0 , 6 , 0},
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{"bkpt" , 0 , 3 , 0},
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{"bkpt" , 0 , 3 , 0},
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@ -3363,9 +3363,40 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(uxtb16)(unsigned int inst, int index) { UN
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typedef ARM_INST_PTR (*transop_fp_t)(unsigned int, int);
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typedef ARM_INST_PTR (*transop_fp_t)(unsigned int, int);
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const transop_fp_t arm_instruction_trans[] = {
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const transop_fp_t arm_instruction_trans[] = {
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#define VFP_INTERPRETER_TABLE
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INTERPRETER_TRANSLATE(vmla),
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#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
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INTERPRETER_TRANSLATE(vmls),
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#undef VFP_INTERPRETER_TABLE
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INTERPRETER_TRANSLATE(vnmla),
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INTERPRETER_TRANSLATE(vnmla),
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INTERPRETER_TRANSLATE(vnmls),
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INTERPRETER_TRANSLATE(vnmul),
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INTERPRETER_TRANSLATE(vmul),
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INTERPRETER_TRANSLATE(vadd),
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INTERPRETER_TRANSLATE(vsub),
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INTERPRETER_TRANSLATE(vdiv),
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INTERPRETER_TRANSLATE(vmovi),
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INTERPRETER_TRANSLATE(vmovr),
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INTERPRETER_TRANSLATE(vabs),
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INTERPRETER_TRANSLATE(vneg),
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INTERPRETER_TRANSLATE(vsqrt),
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INTERPRETER_TRANSLATE(vcmp),
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INTERPRETER_TRANSLATE(vcmp2),
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INTERPRETER_TRANSLATE(vcvtbds),
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INTERPRETER_TRANSLATE(vcvtbff),
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INTERPRETER_TRANSLATE(vcvtbfi),
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INTERPRETER_TRANSLATE(vmovbrs),
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INTERPRETER_TRANSLATE(vmsr),
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INTERPRETER_TRANSLATE(vmovbrc),
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INTERPRETER_TRANSLATE(vmrs),
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INTERPRETER_TRANSLATE(vmovbcr),
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INTERPRETER_TRANSLATE(vmovbrrss),
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INTERPRETER_TRANSLATE(vmovbrrd),
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INTERPRETER_TRANSLATE(vstr),
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INTERPRETER_TRANSLATE(vpush),
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INTERPRETER_TRANSLATE(vstm),
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INTERPRETER_TRANSLATE(vpop),
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INTERPRETER_TRANSLATE(vldr),
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INTERPRETER_TRANSLATE(vldm),
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INTERPRETER_TRANSLATE(srs),
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INTERPRETER_TRANSLATE(srs),
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INTERPRETER_TRANSLATE(rfe),
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INTERPRETER_TRANSLATE(rfe),
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INTERPRETER_TRANSLATE(bkpt),
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INTERPRETER_TRANSLATE(bkpt),
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@ -4206,10 +4237,12 @@ unsigned InterpreterMainLoop(ARMul_State* state)
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// GCC and Clang have a C++ extension to support a lookup table of labels. Otherwise, fallback
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// GCC and Clang have a C++ extension to support a lookup table of labels. Otherwise, fallback
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// to a clunky switch statement.
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// to a clunky switch statement.
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#if defined __GNUC__ || defined __clang__
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#if defined __GNUC__ || defined __clang__
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void *InstLabel[] = {
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void *InstLabel[] = {
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#define VFP_INTERPRETER_LABEL
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&&VMLA_INST, &&VMLS_INST, &&VNMLA_INST, &&VNMLA_INST, &&VNMLS_INST, &&VNMUL_INST, &&VMUL_INST, &&VADD_INST, &&VSUB_INST,
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#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
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&&VDIV_INST, &&VMOVI_INST, &&VMOVR_INST, &&VABS_INST, &&VNEG_INST, &&VSQRT_INST, &&VCMP_INST, &&VCMP2_INST, &&VCVTBDS_INST,
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#undef VFP_INTERPRETER_LABEL
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&&VCVTBFF_INST, &&VCVTBFI_INST, &&VMOVBRS_INST, &&VMSR_INST, &&VMOVBRC_INST, &&VMRS_INST, &&VMOVBCR_INST, &&VMOVBRRSS_INST,
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&&VMOVBRRD_INST, &&VSTR_INST, &&VPUSH_INST, &&VSTM_INST, &&VPOP_INST, &&VLDR_INST, &&VLDM_INST,
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&&SRS_INST,&&RFE_INST,&&BKPT_INST,&&BLX_INST,&&CPS_INST,&&PLD_INST,&&SETEND_INST,&&CLREX_INST,&&REV16_INST,&&USAD8_INST,&&SXTB_INST,
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&&SRS_INST,&&RFE_INST,&&BKPT_INST,&&BLX_INST,&&CPS_INST,&&PLD_INST,&&SETEND_INST,&&CLREX_INST,&&REV16_INST,&&USAD8_INST,&&SXTB_INST,
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&&UXTB_INST,&&SXTH_INST,&&SXTB16_INST,&&UXTH_INST,&&UXTB16_INST,&&CPY_INST,&&UXTAB_INST,&&SSUB8_INST,&&SHSUB8_INST,&&SSUBADDX_INST,
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&&UXTB_INST,&&SXTH_INST,&&SXTB16_INST,&&UXTH_INST,&&UXTB16_INST,&&CPY_INST,&&UXTAB_INST,&&SSUB8_INST,&&SHSUB8_INST,&&SSUBADDX_INST,
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&&STREX_INST,&&STREXB_INST,&&SWP_INST,&&SWPB_INST,&&SSUB16_INST,&&SSAT16_INST,&&SHSUBADDX_INST,&&QSUBADDX_INST,&&SHADDSUBX_INST,
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&&STREX_INST,&&STREXB_INST,&&SWP_INST,&&SWPB_INST,&&SSUB16_INST,&&SSAT16_INST,&&SHSUBADDX_INST,&&QSUBADDX_INST,&&SHADDSUBX_INST,
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@ -4243,7 +4276,7 @@ unsigned InterpreterMainLoop(ARMul_State* state)
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DISPATCH:
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DISPATCH:
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{
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{
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if (!cpu->NirqSig) {
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if (!cpu->NirqSig) {
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if (!(cpu->Cpsr & 0x80)) {
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if (!(cpu->Cpsr & 0x80)) {
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goto END;
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goto END;
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}
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}
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}
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}
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@ -32,8 +32,7 @@
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//ARMul_State* persistent_state; /* function calls from SoftFloat lib don't have an access to ARMul_state. */
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//ARMul_State* persistent_state; /* function calls from SoftFloat lib don't have an access to ARMul_state. */
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unsigned
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unsigned VFPInit(ARMul_State* state)
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VFPInit (ARMul_State *state)
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{
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{
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state->VFP[VFP_OFFSET(VFP_FPSID)] = VFP_FPSID_IMPLMEN<<24 | VFP_FPSID_SW<<23 | VFP_FPSID_SUBARCH<<16 |
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state->VFP[VFP_OFFSET(VFP_FPSID)] = VFP_FPSID_IMPLMEN<<24 | VFP_FPSID_SW<<23 | VFP_FPSID_SUBARCH<<16 |
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VFP_FPSID_PARTNUM<<8 | VFP_FPSID_VARIANT<<4 | VFP_FPSID_REVISION;
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VFP_FPSID_PARTNUM<<8 | VFP_FPSID_VARIANT<<4 | VFP_FPSID_REVISION;
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@ -46,8 +45,7 @@ VFPInit (ARMul_State *state)
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return 0;
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return 0;
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}
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}
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unsigned
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unsigned VFPMRC(ARMul_State* state, unsigned type, u32 instr, u32* value)
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VFPMRC (ARMul_State * state, unsigned type, u32 instr, u32 * value)
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{
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{
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/* MRC<c> <coproc>,<opc1>,<Rt>,<CRn>,<CRm>{,<opc2>} */
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/* MRC<c> <coproc>,<opc1>,<Rt>,<CRn>,<CRm>{,<opc2>} */
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int CoProc = BITS (8, 11); /* 10 or 11 */
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int CoProc = BITS (8, 11); /* 10 or 11 */
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@ -61,10 +59,21 @@ VFPMRC (ARMul_State * state, unsigned type, u32 instr, u32 * value)
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/* CRn/opc1 CRm/opc2 */
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/* CRn/opc1 CRm/opc2 */
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if (CoProc == 10 || CoProc == 11) {
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if (CoProc == 10 || CoProc == 11)
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#define VFP_MRC_TRANS
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{
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#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
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if (OPC_1 == 0x0 && CRm == 0 && (OPC_2 & 0x3) == 0)
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#undef VFP_MRC_TRANS
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{
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/* VMOV r to s */
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/* Transfering Rt is not mandatory, as the value of interest is pointed by value */
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VMOVBRS(state, BIT(20), Rt, BIT(7)|CRn<<1, value);
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return ARMul_DONE;
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}
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if (OPC_1 == 0x7 && CRm == 0 && OPC_2 == 0)
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{
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VMRS(state, CRn, Rt, value);
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return ARMul_DONE;
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}
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}
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}
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DEBUG("Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, CRn %x, CRm %x, OPC_2 %x\n",
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DEBUG("Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, CRn %x, CRm %x, OPC_2 %x\n",
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instr, CoProc, OPC_1, Rt, CRn, CRm, OPC_2);
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instr, CoProc, OPC_1, Rt, CRn, CRm, OPC_2);
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@ -72,8 +81,7 @@ VFPMRC (ARMul_State * state, unsigned type, u32 instr, u32 * value)
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return ARMul_CANT;
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return ARMul_CANT;
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}
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}
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unsigned
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unsigned VFPMCR(ARMul_State* state, unsigned type, u32 instr, u32 value)
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VFPMCR (ARMul_State * state, unsigned type, u32 instr, u32 value)
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{
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{
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/* MCR<c> <coproc>,<opc1>,<Rt>,<CRn>,<CRm>{,<opc2>} */
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/* MCR<c> <coproc>,<opc1>,<Rt>,<CRn>,<CRm>{,<opc2>} */
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int CoProc = BITS (8, 11); /* 10 or 11 */
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int CoProc = BITS (8, 11); /* 10 or 11 */
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@ -86,10 +94,33 @@ VFPMCR (ARMul_State * state, unsigned type, u32 instr, u32 value)
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/* TODO check access permission */
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/* TODO check access permission */
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/* CRn/opc1 CRm/opc2 */
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/* CRn/opc1 CRm/opc2 */
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if (CoProc == 10 || CoProc == 11) {
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if (CoProc == 10 || CoProc == 11)
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#define VFP_MCR_TRANS
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{
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#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
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if (OPC_1 == 0x0 && CRm == 0 && (OPC_2 & 0x3) == 0)
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#undef VFP_MCR_TRANS
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{
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/* VMOV s to r */
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/* Transfering Rt is not mandatory, as the value of interest is pointed by value */
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VMOVBRS(state, BIT(20), Rt, BIT(7)|CRn<<1, &value);
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return ARMul_DONE;
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}
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if (OPC_1 == 0x7 && CRm == 0 && OPC_2 == 0)
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{
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VMSR(state, CRn, Rt);
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return ARMul_DONE;
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}
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||||||
|
if ((OPC_1 & 0x4) == 0 && CoProc == 11 && CRm == 0)
|
||||||
|
{
|
||||||
|
VFP_DEBUG_UNIMPLEMENTED(VMOVBRC);
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (CoProc == 11 && CRm == 0)
|
||||||
|
{
|
||||||
|
VFP_DEBUG_UNIMPLEMENTED(VMOVBCR);
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
DEBUG("Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, CRn %x, CRm %x, OPC_2 %x\n",
|
DEBUG("Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, CRn %x, CRm %x, OPC_2 %x\n",
|
||||||
instr, CoProc, OPC_1, Rt, CRn, CRm, OPC_2);
|
instr, CoProc, OPC_1, Rt, CRn, CRm, OPC_2);
|
||||||
@ -97,8 +128,7 @@ VFPMCR (ARMul_State * state, unsigned type, u32 instr, u32 value)
|
|||||||
return ARMul_CANT;
|
return ARMul_CANT;
|
||||||
}
|
}
|
||||||
|
|
||||||
unsigned
|
unsigned VFPMRRC(ARMul_State* state, unsigned type, u32 instr, u32* value1, u32* value2)
|
||||||
VFPMRRC (ARMul_State * state, unsigned type, u32 instr, u32 * value1, u32 * value2)
|
|
||||||
{
|
{
|
||||||
/* MCRR<c> <coproc>,<opc1>,<Rt>,<Rt2>,<CRm> */
|
/* MCRR<c> <coproc>,<opc1>,<Rt>,<Rt2>,<CRm> */
|
||||||
int CoProc = BITS (8, 11); /* 10 or 11 */
|
int CoProc = BITS (8, 11); /* 10 or 11 */
|
||||||
@ -107,10 +137,20 @@ VFPMRRC (ARMul_State * state, unsigned type, u32 instr, u32 * value1, u32 * valu
|
|||||||
int Rt2 = BITS (16, 19);
|
int Rt2 = BITS (16, 19);
|
||||||
int CRm = BITS (0, 3);
|
int CRm = BITS (0, 3);
|
||||||
|
|
||||||
if (CoProc == 10 || CoProc == 11) {
|
if (CoProc == 10 || CoProc == 11)
|
||||||
#define VFP_MRRC_TRANS
|
{
|
||||||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
if (CoProc == 10 && (OPC_1 & 0xD) == 1)
|
||||||
#undef VFP_MRRC_TRANS
|
{
|
||||||
|
VFP_DEBUG_UNIMPLEMENTED(VMOVBRRSS);
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (CoProc == 11 && (OPC_1 & 0xD) == 1)
|
||||||
|
{
|
||||||
|
/* Transfering Rt and Rt2 is not mandatory, as the value of interest is pointed by value1 and value2 */
|
||||||
|
VMOVBRRD(state, BIT(20), Rt, Rt2, BIT(5)<<4|CRm, value1, value2);
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
DEBUG("Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, Rt2 %x, CRm %x\n",
|
DEBUG("Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, Rt2 %x, CRm %x\n",
|
||||||
instr, CoProc, OPC_1, Rt, Rt2, CRm);
|
instr, CoProc, OPC_1, Rt, Rt2, CRm);
|
||||||
@ -118,8 +158,7 @@ VFPMRRC (ARMul_State * state, unsigned type, u32 instr, u32 * value1, u32 * valu
|
|||||||
return ARMul_CANT;
|
return ARMul_CANT;
|
||||||
}
|
}
|
||||||
|
|
||||||
unsigned
|
unsigned VFPMCRR(ARMul_State* state, unsigned type, u32 instr, u32 value1, u32 value2)
|
||||||
VFPMCRR (ARMul_State * state, unsigned type, u32 instr, u32 value1, u32 value2)
|
|
||||||
{
|
{
|
||||||
/* MCRR<c> <coproc>,<opc1>,<Rt>,<Rt2>,<CRm> */
|
/* MCRR<c> <coproc>,<opc1>,<Rt>,<Rt2>,<CRm> */
|
||||||
int CoProc = BITS (8, 11); /* 10 or 11 */
|
int CoProc = BITS (8, 11); /* 10 or 11 */
|
||||||
@ -132,10 +171,20 @@ VFPMCRR (ARMul_State * state, unsigned type, u32 instr, u32 value1, u32 value2)
|
|||||||
|
|
||||||
/* CRn/opc1 CRm/opc2 */
|
/* CRn/opc1 CRm/opc2 */
|
||||||
|
|
||||||
if (CoProc == 11 || CoProc == 10) {
|
if (CoProc == 11 || CoProc == 10)
|
||||||
#define VFP_MCRR_TRANS
|
{
|
||||||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
if (CoProc == 10 && (OPC_1 & 0xD) == 1)
|
||||||
#undef VFP_MCRR_TRANS
|
{
|
||||||
|
VFP_DEBUG_UNIMPLEMENTED(VMOVBRRSS);
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (CoProc == 11 && (OPC_1 & 0xD) == 1)
|
||||||
|
{
|
||||||
|
/* Transfering Rt and Rt2 is not mandatory, as the value of interest is pointed by value1 and value2 */
|
||||||
|
VMOVBRRD(state, BIT(20), Rt, Rt2, BIT(5)<<4|CRm, &value1, &value2);
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
DEBUG("Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, Rt2 %x, CRm %x\n",
|
DEBUG("Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, Rt2 %x, CRm %x\n",
|
||||||
instr, CoProc, OPC_1, Rt, Rt2, CRm);
|
instr, CoProc, OPC_1, Rt, Rt2, CRm);
|
||||||
@ -143,8 +192,7 @@ VFPMCRR (ARMul_State * state, unsigned type, u32 instr, u32 value1, u32 value2)
|
|||||||
return ARMul_CANT;
|
return ARMul_CANT;
|
||||||
}
|
}
|
||||||
|
|
||||||
unsigned
|
unsigned VFPSTC(ARMul_State* state, unsigned type, u32 instr, u32 * value)
|
||||||
VFPSTC (ARMul_State * state, unsigned type, u32 instr, u32 * value)
|
|
||||||
{
|
{
|
||||||
/* STC{L}<c> <coproc>,<CRd>,[<Rn>],<option> */
|
/* STC{L}<c> <coproc>,<CRd>,[<Rn>],<option> */
|
||||||
int CoProc = BITS (8, 11); /* 10 or 11 */
|
int CoProc = BITS (8, 11); /* 10 or 11 */
|
||||||
@ -175,9 +223,17 @@ VFPSTC (ARMul_State * state, unsigned type, u32 instr, u32 * value)
|
|||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#define VFP_STC_TRANS
|
if (P == 1 && W == 0)
|
||||||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
{
|
||||||
#undef VFP_STC_TRANS
|
return VSTR(state, type, instr, value);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (P == 1 && U == 0 && W == 1 && Rn == 0xD)
|
||||||
|
{
|
||||||
|
return VPUSH(state, type, instr, value);
|
||||||
|
}
|
||||||
|
|
||||||
|
return VSTM(state, type, instr, value);
|
||||||
}
|
}
|
||||||
DEBUG("Can't identify %x, CoProc %x, CRd %x, Rn %x, imm8 %x, P %x, U %x, D %x, W %x\n",
|
DEBUG("Can't identify %x, CoProc %x, CRd %x, Rn %x, imm8 %x, P %x, U %x, D %x, W %x\n",
|
||||||
instr, CoProc, CRd, Rn, imm8, P, U, D, W);
|
instr, CoProc, CRd, Rn, imm8, P, U, D, W);
|
||||||
@ -185,8 +241,7 @@ VFPSTC (ARMul_State * state, unsigned type, u32 instr, u32 * value)
|
|||||||
return ARMul_CANT;
|
return ARMul_CANT;
|
||||||
}
|
}
|
||||||
|
|
||||||
unsigned
|
unsigned VFPLDC(ARMul_State* state, unsigned type, u32 instr, u32 value)
|
||||||
VFPLDC (ARMul_State * state, unsigned type, u32 instr, u32 value)
|
|
||||||
{
|
{
|
||||||
/* LDC{L}<c> <coproc>,<CRd>,[<Rn>] */
|
/* LDC{L}<c> <coproc>,<CRd>,[<Rn>] */
|
||||||
int CoProc = BITS (8, 11); /* 10 or 11 */
|
int CoProc = BITS (8, 11); /* 10 or 11 */
|
||||||
@ -204,10 +259,19 @@ VFPLDC (ARMul_State * state, unsigned type, u32 instr, u32 value)
|
|||||||
DEBUG("In %s, UNDEFINED\n", __FUNCTION__);
|
DEBUG("In %s, UNDEFINED\n", __FUNCTION__);
|
||||||
exit(-1);
|
exit(-1);
|
||||||
}
|
}
|
||||||
if (CoProc == 10 || CoProc == 11) {
|
if (CoProc == 10 || CoProc == 11)
|
||||||
#define VFP_LDC_TRANS
|
{
|
||||||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
if (P == 1 && W == 0)
|
||||||
#undef VFP_LDC_TRANS
|
{
|
||||||
|
return VLDR(state, type, instr, value);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (P == 0 && U == 1 && W == 1 && Rn == 0xD)
|
||||||
|
{
|
||||||
|
return VPOP(state, type, instr, value);
|
||||||
|
}
|
||||||
|
|
||||||
|
return VLDM(state, type, instr, value);
|
||||||
}
|
}
|
||||||
DEBUG("Can't identify %x, CoProc %x, CRd %x, Rn %x, imm8 %x, P %x, U %x, D %x, W %x\n",
|
DEBUG("Can't identify %x, CoProc %x, CRd %x, Rn %x, imm8 %x, P %x, U %x, D %x, W %x\n",
|
||||||
instr, CoProc, CRd, Rn, imm8, P, U, D, W);
|
instr, CoProc, CRd, Rn, imm8, P, U, D, W);
|
||||||
@ -215,8 +279,7 @@ VFPLDC (ARMul_State * state, unsigned type, u32 instr, u32 value)
|
|||||||
return ARMul_CANT;
|
return ARMul_CANT;
|
||||||
}
|
}
|
||||||
|
|
||||||
unsigned
|
unsigned VFPCDP(ARMul_State* state, unsigned type, u32 instr)
|
||||||
VFPCDP (ARMul_State * state, unsigned type, u32 instr)
|
|
||||||
{
|
{
|
||||||
/* CDP<c> <coproc>,<opc1>,<CRd>,<CRn>,<CRm>,<opc2> */
|
/* CDP<c> <coproc>,<opc1>,<CRd>,<CRn>,<CRm>,<opc2> */
|
||||||
int CoProc = BITS (8, 11); /* 10 or 11 */
|
int CoProc = BITS (8, 11); /* 10 or 11 */
|
||||||
@ -275,10 +338,83 @@ VFPCDP (ARMul_State * state, unsigned type, u32 instr)
|
|||||||
|
|
||||||
/* CRn/opc1 CRm/opc2 */
|
/* CRn/opc1 CRm/opc2 */
|
||||||
|
|
||||||
if (CoProc == 10 || CoProc == 11) {
|
if (CoProc == 10 || CoProc == 11)
|
||||||
#define VFP_CDP_TRANS
|
{
|
||||||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
if ((OPC_1 & 0xB) == 0 && (OPC_2 & 0x2) == 0)
|
||||||
#undef VFP_CDP_TRANS
|
DBG("VMLA :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 0 && (OPC_2 & 0x2) == 2)
|
||||||
|
DBG("VMLS :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 1 && (OPC_2 & 0x2) == 2)
|
||||||
|
DBG("VNMLA :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 1 && (OPC_2 & 0x2) == 0)
|
||||||
|
DBG("VNMLS :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 2 && (OPC_2 & 0x2) == 2)
|
||||||
|
DBG("VNMUL :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 2 && (OPC_2 & 0x2) == 0)
|
||||||
|
DBG("VMUL :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 3 && (OPC_2 & 0x2) == 0)
|
||||||
|
DBG("VADD :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 3 && (OPC_2 & 0x2) == 2)
|
||||||
|
DBG("VSUB :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 0xA && (OPC_2 & 0x2) == 0)
|
||||||
|
DBG("VDIV :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 0xB && BITS(4, 7) == 0)
|
||||||
|
{
|
||||||
|
unsigned int single = BIT(8) == 0;
|
||||||
|
unsigned int d = (single ? BITS(12,15)<<1 | BIT(22) : BITS(12,15) | BIT(22)<<4);
|
||||||
|
unsigned int imm;
|
||||||
|
instr = BITS(16, 19) << 4 | BITS(0, 3); /* FIXME dirty workaround to get a correct imm */
|
||||||
|
|
||||||
|
if (single)
|
||||||
|
imm = BIT(7)<<31 | (BIT(6)==0)<<30 | (BIT(6) ? 0x1f : 0)<<25 | BITS(0, 5)<<19;
|
||||||
|
else
|
||||||
|
imm = BIT(7)<<31 | (BIT(6)==0)<<30 | (BIT(6) ? 0xff : 0)<<22 | BITS(0, 5)<<16;
|
||||||
|
|
||||||
|
VMOVI(state, single, d, imm);
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 0xB && CRn == 0 && (OPC_2 & 0x6) == 0x2)
|
||||||
|
{
|
||||||
|
unsigned int single = BIT(8) == 0;
|
||||||
|
unsigned int d = (single ? BITS(12,15)<<1 | BIT(22) : BITS(12,15) | BIT(22)<<4);
|
||||||
|
unsigned int m = (single ? BITS( 0, 3)<<1 | BIT( 5) : BITS( 0, 3) | BIT( 5)<<4);;
|
||||||
|
VMOVR(state, single, d, m);
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 0xB && CRn == 0 && (OPC_2 & 0x7) == 6)
|
||||||
|
DBG("VABS :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 0xB && CRn == 1 && (OPC_2 & 0x7) == 2)
|
||||||
|
DBG("VNEG :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 0xB && CRn == 1 && (OPC_2 & 0x7) == 6)
|
||||||
|
DBG("VSQRT :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 0xB && CRn == 4 && (OPC_2 & 0x2) == 2)
|
||||||
|
DBG("VCMP(1) :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 0xB && CRn == 5 && (OPC_2 & 0x2) == 2 && CRm == 0)
|
||||||
|
DBG("VCMP(2) :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 0xB && CRn == 7 && (OPC_2 & 0x6) == 6)
|
||||||
|
DBG("VCVT(BDS) :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 0xB && CRn >= 0xA && (OPC_2 & 0x2) == 2)
|
||||||
|
DBG("VCVT(BFF) :\n");
|
||||||
|
|
||||||
|
if ((OPC_1 & 0xB) == 0xB && CRn > 7 && (OPC_2 & 0x2) == 2)
|
||||||
|
DBG("VCVT(BFI) :\n");
|
||||||
|
|
||||||
int exceptions = 0;
|
int exceptions = 0;
|
||||||
if (CoProc == 10)
|
if (CoProc == 10)
|
||||||
@ -296,23 +432,93 @@ VFPCDP (ARMul_State * state, unsigned type, u32 instr)
|
|||||||
|
|
||||||
|
|
||||||
/* ----------- MRC ------------ */
|
/* ----------- MRC ------------ */
|
||||||
#define VFP_MRC_IMPL
|
void VMOVBRS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword n, ARMword* value)
|
||||||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
{
|
||||||
#undef VFP_MRC_IMPL
|
DBG("VMOV(BRS) :\n");
|
||||||
|
if (to_arm)
|
||||||
#define VFP_MRRC_IMPL
|
{
|
||||||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
DBG("\tr%d <= s%d=[%x]\n", t, n, state->ExtReg[n]);
|
||||||
#undef VFP_MRRC_IMPL
|
*value = state->ExtReg[n];
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
DBG("\ts%d <= r%d=[%x]\n", n, t, *value);
|
||||||
|
state->ExtReg[n] = *value;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
void VMRS(ARMul_State* state, ARMword reg, ARMword Rt, ARMword* value)
|
||||||
|
{
|
||||||
|
DBG("VMRS :");
|
||||||
|
if (reg == 1)
|
||||||
|
{
|
||||||
|
if (Rt != 15)
|
||||||
|
{
|
||||||
|
*value = state->VFP[VFP_OFFSET(VFP_FPSCR)];
|
||||||
|
DBG("\tr%d <= fpscr[%08x]\n", Rt, state->VFP[VFP_OFFSET(VFP_FPSCR)]);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
*value = state->VFP[VFP_OFFSET(VFP_FPSCR)] ;
|
||||||
|
DBG("\tflags <= fpscr[%1xxxxxxxx]\n", state->VFP[VFP_OFFSET(VFP_FPSCR)]>>28);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
switch (reg)
|
||||||
|
{
|
||||||
|
case 0:
|
||||||
|
*value = state->VFP[VFP_OFFSET(VFP_FPSID)];
|
||||||
|
DBG("\tr%d <= fpsid[%08x]\n", Rt, state->VFP[VFP_OFFSET(VFP_FPSID)]);
|
||||||
|
break;
|
||||||
|
case 6:
|
||||||
|
/* MVFR1, VFPv3 only ? */
|
||||||
|
DBG("\tr%d <= MVFR1 unimplemented\n", Rt);
|
||||||
|
break;
|
||||||
|
case 7:
|
||||||
|
/* MVFR0, VFPv3 only? */
|
||||||
|
DBG("\tr%d <= MVFR0 unimplemented\n", Rt);
|
||||||
|
break;
|
||||||
|
case 8:
|
||||||
|
*value = state->VFP[VFP_OFFSET(VFP_FPEXC)];
|
||||||
|
DBG("\tr%d <= fpexc[%08x]\n", Rt, state->VFP[VFP_OFFSET(VFP_FPEXC)]);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
DBG("\tSUBARCHITECTURE DEFINED\n");
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
void VMOVBRRD(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMword n, ARMword* value1, ARMword* value2)
|
||||||
|
{
|
||||||
|
DBG("VMOV(BRRD) :\n");
|
||||||
|
if (to_arm)
|
||||||
|
{
|
||||||
|
DBG("\tr[%d-%d] <= s[%d-%d]=[%x-%x]\n", t2, t, n*2+1, n*2, state->ExtReg[n*2+1], state->ExtReg[n*2]);
|
||||||
|
*value2 = state->ExtReg[n*2+1];
|
||||||
|
*value1 = state->ExtReg[n*2];
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
DBG("\ts[%d-%d] <= r[%d-%d]=[%x-%x]\n", n*2+1, n*2, t2, t, *value2, *value1);
|
||||||
|
state->ExtReg[n*2+1] = *value2;
|
||||||
|
state->ExtReg[n*2] = *value1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
/* ----------- MCR ------------ */
|
/* ----------- MCR ------------ */
|
||||||
#define VFP_MCR_IMPL
|
void VMSR(ARMul_State* state, ARMword reg, ARMword Rt)
|
||||||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
{
|
||||||
#undef VFP_MCR_IMPL
|
if (reg == 1)
|
||||||
|
{
|
||||||
#define VFP_MCRR_IMPL
|
DBG("VMSR :\tfpscr <= r%d=[%x]\n", Rt, state->Reg[Rt]);
|
||||||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
state->VFP[VFP_OFFSET(VFP_FPSCR)] = state->Reg[Rt];
|
||||||
#undef VFP_MCRR_IMPL
|
}
|
||||||
|
else if (reg == 8)
|
||||||
|
{
|
||||||
|
DBG("VMSR :\tfpexc <= r%d=[%x]\n", Rt, state->Reg[Rt]);
|
||||||
|
state->VFP[VFP_OFFSET(VFP_FPEXC)] = state->Reg[Rt];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
/* Memory operation are not inlined, as old Interpreter and Fast interpreter
|
/* Memory operation are not inlined, as old Interpreter and Fast interpreter
|
||||||
don't have the same memory operation interface.
|
don't have the same memory operation interface.
|
||||||
@ -322,21 +528,342 @@ VFPCDP (ARMul_State * state, unsigned type, u32 instr)
|
|||||||
of vfp instructions in old interpreter and fast interpreter are separate. */
|
of vfp instructions in old interpreter and fast interpreter are separate. */
|
||||||
|
|
||||||
/* ----------- STC ------------ */
|
/* ----------- STC ------------ */
|
||||||
#define VFP_STC_IMPL
|
int VSTR(ARMul_State* state, int type, ARMword instr, ARMword* value)
|
||||||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
{
|
||||||
#undef VFP_STC_IMPL
|
static int i = 0;
|
||||||
|
static int single_reg, add, d, n, imm32, regs;
|
||||||
|
if (type == ARMul_FIRST)
|
||||||
|
{
|
||||||
|
single_reg = BIT(8) == 0; /* Double precision */
|
||||||
|
add = BIT(23); /* */
|
||||||
|
imm32 = BITS(0,7)<<2; /* may not be used */
|
||||||
|
d = single_reg ? BITS(12, 15)<<1|BIT(22) : BIT(22)<<4|BITS(12, 15); /* Base register */
|
||||||
|
n = BITS(16, 19); /* destination register */
|
||||||
|
|
||||||
|
DBG("VSTR :\n");
|
||||||
|
|
||||||
|
i = 0;
|
||||||
|
regs = 1;
|
||||||
|
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else if (type == ARMul_DATA)
|
||||||
|
{
|
||||||
|
if (single_reg)
|
||||||
|
{
|
||||||
|
*value = state->ExtReg[d+i];
|
||||||
|
DBG("\taddr[?] <= s%d=[%x]\n", d+i, state->ExtReg[d+i]);
|
||||||
|
i++;
|
||||||
|
if (i < regs)
|
||||||
|
return ARMul_INC;
|
||||||
|
else
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* FIXME Careful of endianness, may need to rework this */
|
||||||
|
*value = state->ExtReg[d*2+i];
|
||||||
|
DBG("\taddr[?] <= s[%d]=[%x]\n", d*2+i, state->ExtReg[d*2+i]);
|
||||||
|
i++;
|
||||||
|
if (i < regs*2)
|
||||||
|
return ARMul_INC;
|
||||||
|
else
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
int VPUSH(ARMul_State* state, int type, ARMword instr, ARMword* value)
|
||||||
|
{
|
||||||
|
static int i = 0;
|
||||||
|
static int single_regs, add, wback, d, n, imm32, regs;
|
||||||
|
if (type == ARMul_FIRST)
|
||||||
|
{
|
||||||
|
single_regs = BIT(8) == 0; /* Single precision */
|
||||||
|
d = single_regs ? BITS(12, 15)<<1|BIT(22) : BIT(22)<<4|BITS(12, 15); /* Base register */
|
||||||
|
imm32 = BITS(0,7)<<2; /* may not be used */
|
||||||
|
regs = single_regs ? BITS(0, 7) : BITS(1, 7); /* FSTMX if regs is odd */
|
||||||
|
|
||||||
|
DBG("VPUSH :\n");
|
||||||
|
DBG("\tsp[%x]", state->Reg[R13]);
|
||||||
|
state->Reg[R13] = state->Reg[R13] - imm32;
|
||||||
|
DBG("=>[%x]\n", state->Reg[R13]);
|
||||||
|
|
||||||
|
i = 0;
|
||||||
|
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else if (type == ARMul_DATA)
|
||||||
|
{
|
||||||
|
if (single_regs)
|
||||||
|
{
|
||||||
|
*value = state->ExtReg[d + i];
|
||||||
|
DBG("\taddr[?] <= s%d=[%x]\n", d+i, state->ExtReg[d + i]);
|
||||||
|
i++;
|
||||||
|
if (i < regs)
|
||||||
|
return ARMul_INC;
|
||||||
|
else
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* FIXME Careful of endianness, may need to rework this */
|
||||||
|
*value = state->ExtReg[d*2 + i];
|
||||||
|
DBG("\taddr[?] <= s[%d]=[%x]\n", d*2 + i, state->ExtReg[d*2 + i]);
|
||||||
|
i++;
|
||||||
|
if (i < regs*2)
|
||||||
|
return ARMul_INC;
|
||||||
|
else
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
int VSTM(ARMul_State* state, int type, ARMword instr, ARMword* value)
|
||||||
|
{
|
||||||
|
static int i = 0;
|
||||||
|
static int single_regs, add, wback, d, n, imm32, regs;
|
||||||
|
if (type == ARMul_FIRST)
|
||||||
|
{
|
||||||
|
single_regs = BIT(8) == 0; /* Single precision */
|
||||||
|
add = BIT(23); /* */
|
||||||
|
wback = BIT(21); /* write-back */
|
||||||
|
d = single_regs ? BITS(12, 15)<<1|BIT(22) : BIT(22)<<4|BITS(12, 15); /* Base register */
|
||||||
|
n = BITS(16, 19); /* destination register */
|
||||||
|
imm32 = BITS(0,7) * 4; /* may not be used */
|
||||||
|
regs = single_regs ? BITS(0, 7) : BITS(0, 7)>>1; /* FSTMX if regs is odd */
|
||||||
|
|
||||||
|
DBG("VSTM :\n");
|
||||||
|
|
||||||
|
if (wback) {
|
||||||
|
state->Reg[n] = (add ? state->Reg[n] + imm32 : state->Reg[n] - imm32);
|
||||||
|
DBG("\twback r%d[%x]\n", n, state->Reg[n]);
|
||||||
|
}
|
||||||
|
|
||||||
|
i = 0;
|
||||||
|
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else if (type == ARMul_DATA)
|
||||||
|
{
|
||||||
|
if (single_regs)
|
||||||
|
{
|
||||||
|
*value = state->ExtReg[d + i];
|
||||||
|
DBG("\taddr[?] <= s%d=[%x]\n", d+i, state->ExtReg[d + i]);
|
||||||
|
i++;
|
||||||
|
if (i < regs)
|
||||||
|
return ARMul_INC;
|
||||||
|
else
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* FIXME Careful of endianness, may need to rework this */
|
||||||
|
*value = state->ExtReg[d*2 + i];
|
||||||
|
DBG("\taddr[?] <= s[%d]=[%x]\n", d*2 + i, state->ExtReg[d*2 + i]);
|
||||||
|
i++;
|
||||||
|
if (i < regs*2)
|
||||||
|
return ARMul_INC;
|
||||||
|
else
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
/* ----------- LDC ------------ */
|
/* ----------- LDC ------------ */
|
||||||
#define VFP_LDC_IMPL
|
int VPOP(ARMul_State* state, int type, ARMword instr, ARMword value)
|
||||||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
{
|
||||||
#undef VFP_LDC_IMPL
|
static int i = 0;
|
||||||
|
static int single_regs, add, wback, d, n, imm32, regs;
|
||||||
|
if (type == ARMul_FIRST)
|
||||||
|
{
|
||||||
|
single_regs = BIT(8) == 0; /* Single precision */
|
||||||
|
d = single_regs ? BITS(12, 15)<<1|BIT(22) : BIT(22)<<4|BITS(12, 15); /* Base register */
|
||||||
|
imm32 = BITS(0,7)<<2; /* may not be used */
|
||||||
|
regs = single_regs ? BITS(0, 7) : BITS(1, 7); /* FLDMX if regs is odd */
|
||||||
|
|
||||||
|
DBG("VPOP :\n");
|
||||||
|
DBG("\tsp[%x]", state->Reg[R13]);
|
||||||
|
state->Reg[R13] = state->Reg[R13] + imm32;
|
||||||
|
DBG("=>[%x]\n", state->Reg[R13]);
|
||||||
|
|
||||||
|
i = 0;
|
||||||
|
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else if (type == ARMul_TRANSFER)
|
||||||
|
{
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else if (type == ARMul_DATA)
|
||||||
|
{
|
||||||
|
if (single_regs)
|
||||||
|
{
|
||||||
|
state->ExtReg[d + i] = value;
|
||||||
|
DBG("\ts%d <= [%x]\n", d + i, value);
|
||||||
|
i++;
|
||||||
|
if (i < regs)
|
||||||
|
return ARMul_INC;
|
||||||
|
else
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* FIXME Careful of endianness, may need to rework this */
|
||||||
|
state->ExtReg[d*2 + i] = value;
|
||||||
|
DBG("\ts%d <= [%x]\n", d*2 + i, value);
|
||||||
|
i++;
|
||||||
|
if (i < regs*2)
|
||||||
|
return ARMul_INC;
|
||||||
|
else
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
int VLDR(ARMul_State* state, int type, ARMword instr, ARMword value)
|
||||||
|
{
|
||||||
|
static int i = 0;
|
||||||
|
static int single_reg, add, d, n, imm32, regs;
|
||||||
|
if (type == ARMul_FIRST)
|
||||||
|
{
|
||||||
|
single_reg = BIT(8) == 0; /* Double precision */
|
||||||
|
add = BIT(23); /* */
|
||||||
|
imm32 = BITS(0,7)<<2; /* may not be used */
|
||||||
|
d = single_reg ? BITS(12, 15)<<1|BIT(22) : BIT(22)<<4|BITS(12, 15); /* Base register */
|
||||||
|
n = BITS(16, 19); /* destination register */
|
||||||
|
|
||||||
|
DBG("VLDR :\n");
|
||||||
|
|
||||||
|
i = 0;
|
||||||
|
regs = 1;
|
||||||
|
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else if (type == ARMul_TRANSFER)
|
||||||
|
{
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else if (type == ARMul_DATA)
|
||||||
|
{
|
||||||
|
if (single_reg)
|
||||||
|
{
|
||||||
|
state->ExtReg[d+i] = value;
|
||||||
|
DBG("\ts%d <= [%x]\n", d+i, value);
|
||||||
|
i++;
|
||||||
|
if (i < regs)
|
||||||
|
return ARMul_INC;
|
||||||
|
else
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* FIXME Careful of endianness, may need to rework this */
|
||||||
|
state->ExtReg[d*2+i] = value;
|
||||||
|
DBG("\ts[%d] <= [%x]\n", d*2+i, value);
|
||||||
|
i++;
|
||||||
|
if (i < regs*2)
|
||||||
|
return ARMul_INC;
|
||||||
|
else
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
int VLDM(ARMul_State* state, int type, ARMword instr, ARMword value)
|
||||||
|
{
|
||||||
|
static int i = 0;
|
||||||
|
static int single_regs, add, wback, d, n, imm32, regs;
|
||||||
|
if (type == ARMul_FIRST)
|
||||||
|
{
|
||||||
|
single_regs = BIT(8) == 0; /* Single precision */
|
||||||
|
add = BIT(23); /* */
|
||||||
|
wback = BIT(21); /* write-back */
|
||||||
|
d = single_regs ? BITS(12, 15)<<1|BIT(22) : BIT(22)<<4|BITS(12, 15); /* Base register */
|
||||||
|
n = BITS(16, 19); /* destination register */
|
||||||
|
imm32 = BITS(0,7) * 4; /* may not be used */
|
||||||
|
regs = single_regs ? BITS(0, 7) : BITS(0, 7)>>1; /* FLDMX if regs is odd */
|
||||||
|
|
||||||
|
DBG("VLDM :\n");
|
||||||
|
|
||||||
|
if (wback) {
|
||||||
|
state->Reg[n] = (add ? state->Reg[n] + imm32 : state->Reg[n] - imm32);
|
||||||
|
DBG("\twback r%d[%x]\n", n, state->Reg[n]);
|
||||||
|
}
|
||||||
|
|
||||||
|
i = 0;
|
||||||
|
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else if (type == ARMul_DATA)
|
||||||
|
{
|
||||||
|
if (single_regs)
|
||||||
|
{
|
||||||
|
state->ExtReg[d + i] = value;
|
||||||
|
DBG("\ts%d <= [%x] addr[?]\n", d+i, state->ExtReg[d + i]);
|
||||||
|
i++;
|
||||||
|
if (i < regs)
|
||||||
|
return ARMul_INC;
|
||||||
|
else
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* FIXME Careful of endianness, may need to rework this */
|
||||||
|
state->ExtReg[d*2 + i] = value;
|
||||||
|
DBG("\ts[%d] <= [%x] addr[?]\n", d*2 + i, state->ExtReg[d*2 + i]);
|
||||||
|
i++;
|
||||||
|
if (i < regs*2)
|
||||||
|
return ARMul_INC;
|
||||||
|
else
|
||||||
|
return ARMul_DONE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
/* ----------- CDP ------------ */
|
/* ----------- CDP ------------ */
|
||||||
#define VFP_CDP_IMPL
|
void VMOVI(ARMul_State* state, ARMword single, ARMword d, ARMword imm)
|
||||||
#include "core/arm/skyeye_common/vfp/vfpinstr.cpp"
|
{
|
||||||
#undef VFP_CDP_IMPL
|
DBG("VMOV(I) :\n");
|
||||||
|
|
||||||
|
if (single)
|
||||||
|
{
|
||||||
|
DBG("\ts%d <= [%x]\n", d, imm);
|
||||||
|
state->ExtReg[d] = imm;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* Check endian please */
|
||||||
|
DBG("\ts[%d-%d] <= [%x-%x]\n", d*2+1, d*2, imm, 0);
|
||||||
|
state->ExtReg[d*2+1] = imm;
|
||||||
|
state->ExtReg[d*2] = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
void VMOVR(ARMul_State* state, ARMword single, ARMword d, ARMword m)
|
||||||
|
{
|
||||||
|
DBG("VMOV(R) :\n");
|
||||||
|
|
||||||
|
if (single)
|
||||||
|
{
|
||||||
|
DBG("\ts%d <= s%d[%x]\n", d, m, state->ExtReg[m]);
|
||||||
|
state->ExtReg[d] = state->ExtReg[m];
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* Check endian please */
|
||||||
|
DBG("\ts[%d-%d] <= s[%d-%d][%x-%x]\n", d*2+1, d*2, m*2+1, m*2, state->ExtReg[m*2+1], state->ExtReg[m*2]);
|
||||||
|
state->ExtReg[d*2+1] = state->ExtReg[m*2+1];
|
||||||
|
state->ExtReg[d*2] = state->ExtReg[m*2];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
/* Miscellaneous functions */
|
/* Miscellaneous functions */
|
||||||
int32_t vfp_get_float(arm_core_t* state, unsigned int reg)
|
int32_t vfp_get_float(arm_core_t* state, unsigned int reg)
|
||||||
@ -366,8 +893,6 @@ void vfp_put_double(arm_core_t* state, uint64_t val, unsigned int reg)
|
|||||||
state->ExtReg[reg*2+1] = (uint32_t) (val>>32);
|
state->ExtReg[reg*2+1] = (uint32_t) (val>>32);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Process bitmask of exception conditions. (from vfpmodule.c)
|
* Process bitmask of exception conditions. (from vfpmodule.c)
|
||||||
*/
|
*/
|
||||||
|
|||||||
@ -27,6 +27,12 @@
|
|||||||
|
|
||||||
#include "core/arm/skyeye_common/vfp/vfp_helper.h" /* for references to cdp SoftFloat functions */
|
#include "core/arm/skyeye_common/vfp/vfp_helper.h" /* for references to cdp SoftFloat functions */
|
||||||
|
|
||||||
|
#define VFP_DEBUG_TRANSLATE DBG("in func %s, %x\n", __FUNCTION__, inst);
|
||||||
|
#define VFP_DEBUG_UNIMPLEMENTED(x) printf("in func %s, " #x " unimplemented\n", __FUNCTION__); exit(-1);
|
||||||
|
#define VFP_DEBUG_UNTESTED(x) printf("in func %s, " #x " untested\n", __FUNCTION__);
|
||||||
|
#define CHECK_VFP_ENABLED
|
||||||
|
#define CHECK_VFP_CDP_RET vfp_raise_exceptions(cpu, ret, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]); //if (ret == -1) {printf("VFP CDP FAILURE %x\n", inst_cream->instr); exit(-1);}
|
||||||
|
|
||||||
unsigned VFPInit (ARMul_State *state);
|
unsigned VFPInit (ARMul_State *state);
|
||||||
unsigned VFPMRC (ARMul_State * state, unsigned type, ARMword instr, ARMword * value);
|
unsigned VFPMRC (ARMul_State * state, unsigned type, ARMword instr, ARMword * value);
|
||||||
unsigned VFPMCR (ARMul_State * state, unsigned type, ARMword instr, ARMword value);
|
unsigned VFPMCR (ARMul_State * state, unsigned type, ARMword instr, ARMword value);
|
||||||
|
|||||||
File diff suppressed because it is too large
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Reference in New Issue
Block a user