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#60 Fix instruction fetch exception PC by forcing LSB to be zero

This commit is contained in:
Charles Papon 2019-03-30 10:10:25 +01:00
parent 9fff419346
commit 29980016f3
4 changed files with 311 additions and 318 deletions
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2
src/main/c/emulator/.gitignore vendored
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@ -2,3 +2,5 @@
*.v
*.elf
*.o
*.hex
!*.bin

623
src/main/c/emulator/build/emulator.asm
View File

@ -6,28 +6,28 @@ Disassembly of section .init:
80000000 <_start>:
80000000: 00001117 auipc sp,0x1
80000004: 03010113 addi sp,sp,48 # 80001030 <_sp>
80000004: 00810113 addi sp,sp,8 # 80001008 <_sp>
80000008: 00000517 auipc a0,0x0
8000000c: 7b050513 addi a0,a0,1968 # 800007b8 <__init_array_end>
8000000c: 78c50513 addi a0,a0,1932 # 80000794 <__init_array_end>
80000010: 00000597 auipc a1,0x0
80000014: 7a858593 addi a1,a1,1960 # 800007b8 <__init_array_end>
80000018: 00001617 auipc a2,0x1
8000001c: 81860613 addi a2,a2,-2024 # 80000830 <__bss_start>
80000020: 00c5fc63 bleu a2,a1,80000038 <_start+0x38>
80000014: 78458593 addi a1,a1,1924 # 80000794 <__init_array_end>
80000018: 00000617 auipc a2,0x0
8000001c: 7f060613 addi a2,a2,2032 # 80000808 <__bss_start>
80000020: 00c5fc63 bgeu a1,a2,80000038 <_start+0x38>
80000024: 00052283 lw t0,0(a0)
80000028: 0055a023 sw t0,0(a1)
8000002c: 00450513 addi a0,a0,4
80000030: 00458593 addi a1,a1,4
80000034: fec5e8e3 bltu a1,a2,80000024 <_start+0x24>
80000038: 00000517 auipc a0,0x0
8000003c: 7f850513 addi a0,a0,2040 # 80000830 <__bss_start>
8000003c: 7d050513 addi a0,a0,2000 # 80000808 <__bss_start>
80000040: 00000597 auipc a1,0x0
80000044: 7f058593 addi a1,a1,2032 # 80000830 <__bss_start>
80000048: 00b57863 bleu a1,a0,80000058 <_start+0x58>
80000044: 7c858593 addi a1,a1,1992 # 80000808 <__bss_start>
80000048: 00b57863 bgeu a0,a1,80000058 <_start+0x58>
8000004c: 00052023 sw zero,0(a0)
80000050: 00450513 addi a0,a0,4
80000054: feb56ce3 bltu a0,a1,8000004c <_start+0x4c>
80000058: 6c8000ef jal ra,80000720 <__libc_init_array>
80000058: 694000ef jal ra,800006ec <__libc_init_array>
8000005c: 120000ef jal ra,8000017c <init>
80000060: 00000097 auipc ra,0x0
80000064: 01408093 addi ra,ra,20 # 80000074 <done>
@ -111,10 +111,10 @@ Disassembly of section .text:
8000017c <init>:
8000017c: 800007b7 lui a5,0x80000
80000180: 07c78793 addi a5,a5,124 # 8000007c <_sp+0xfffff04c>
80000180: 07c78793 addi a5,a5,124 # 8000007c <_sp+0xfffff074>
80000184: 30579073 csrw mtvec,a5
80000188: 800017b7 lui a5,0x80001
8000018c: fb078793 addi a5,a5,-80 # 80000fb0 <_sp+0xffffff80>
8000018c: f8878793 addi a5,a5,-120 # 80000f88 <_sp+0xffffff80>
80000190: 34079073 csrw mscratch,a5
80000194: 000017b7 lui a5,0x1
80000198: 88078793 addi a5,a5,-1920 # 880 <__stack_size+0x80>
@ -127,12 +127,12 @@ Disassembly of section .text:
800001b4: 30279073 csrw medeleg,a5
800001b8: 22200793 li a5,546
800001bc: 30379073 csrw mideleg,a5
800001c0: 14305073 csrwi sbadaddr,0
800001c0: 14305073 csrwi stval,0
800001c4: 00008067 ret
800001c8 <readRegister>:
800001c8: 800017b7 lui a5,0x80001
800001cc: fb078793 addi a5,a5,-80 # 80000fb0 <_sp+0xffffff80>
800001cc: f8878793 addi a5,a5,-120 # 80000f88 <_sp+0xffffff80>
800001d0: 00251513 slli a0,a0,0x2
800001d4: 00f50533 add a0,a0,a5
800001d8: 00052503 lw a0,0(a0)
@ -141,7 +141,7 @@ Disassembly of section .text:
800001e0 <writeRegister>:
800001e0: 800017b7 lui a5,0x80001
800001e4: 00251513 slli a0,a0,0x2
800001e8: fb078793 addi a5,a5,-80 # 80000fb0 <_sp+0xffffff80>
800001e8: f8878793 addi a5,a5,-120 # 80000f88 <_sp+0xffffff80>
800001ec: 00f50533 add a0,a0,a5
800001f0: 00b52023 sw a1,0(a0)
800001f4: 00008067 ret
@ -149,9 +149,9 @@ Disassembly of section .text:
800001f8 <redirectTrap>:
800001f8: ff010113 addi sp,sp,-16
800001fc: 00112623 sw ra,12(sp)
80000200: 4e8000ef jal ra,800006e8 <stopSim>
80000204: 343027f3 csrr a5,mbadaddr
80000208: 14379073 csrw sbadaddr,a5
80000200: 4b4000ef jal ra,800006b4 <stopSim>
80000204: 343027f3 csrr a5,mtval
80000208: 14379073 csrw stval,a5
8000020c: 341027f3 csrr a5,mepc
80000210: 14179073 csrw sepc,a5
80000214: 342027f3 csrr a5,mcause
@ -164,10 +164,10 @@ Disassembly of section .text:
80000230 <emulationTrapToSupervisorTrap>:
80000230: 800007b7 lui a5,0x80000
80000234: 07c78793 addi a5,a5,124 # 8000007c <_sp+0xfffff04c>
80000234: 07c78793 addi a5,a5,124 # 8000007c <_sp+0xfffff074>
80000238: 30579073 csrw mtvec,a5
8000023c: 343027f3 csrr a5,mbadaddr
80000240: 14379073 csrw sbadaddr,a5
8000023c: 343027f3 csrr a5,mtval
80000240: 14379073 csrw stval,a5
80000244: 342027f3 csrr a5,mcause
80000248: 14279073 csrw scause,a5
8000024c: 14151073 csrw sepc,a0
@ -198,7 +198,7 @@ Disassembly of section .text:
800002a8: 00020737 lui a4,0x20
800002ac: 30073073 csrc mstatus,a4
800002b0: 00068513 mv a0,a3
800002b4: 00f5a023 sw a5,0(a1) # 81000000 <_sp+0xffefd0>
800002b4: 00f5a023 sw a5,0(a1) # 81000000 <_sp+0xffeff8>
800002b8: 00008067 ret
800002bc <writeWord>:
@ -223,315 +223,306 @@ Disassembly of section .text:
800002fc: 01212823 sw s2,16(sp)
80000300: 01312623 sw s3,12(sp)
80000304: 342027f3 csrr a5,mcause
80000308: 1407ce63 bltz a5,80000464 <trap+0x178>
80000308: 0807cc63 bltz a5,800003a0 <trap+0xb4>
8000030c: 00200713 li a4,2
80000310: 04e78463 beq a5,a4,80000358 <trap+0x6c>
80000310: 0ce78463 beq a5,a4,800003d8 <trap+0xec>
80000314: 00900693 li a3,9
80000318: 10d79663 bne a5,a3,80000424 <trap+0x138>
80000318: 04d79463 bne a5,a3,80000360 <trap+0x74>
8000031c: 800017b7 lui a5,0x80001
80000320: 03078793 addi a5,a5,48 # 80001030 <_sp+0x0>
80000320: 00878793 addi a5,a5,8 # 80001008 <_sp+0x0>
80000324: fc47a683 lw a3,-60(a5)
80000328: 00100613 li a2,1
8000032c: fa87a503 lw a0,-88(a5)
80000330: 1ec68663 beq a3,a2,8000051c <trap+0x230>
80000334: 22e68463 beq a3,a4,8000055c <trap+0x270>
80000338: 1e068e63 beqz a3,80000534 <trap+0x248>
80000330: 2ec68663 beq a3,a2,8000061c <trap+0x330>
80000334: 2ae68463 beq a3,a4,800005dc <trap+0x2f0>
80000338: 2a068e63 beqz a3,800005f4 <trap+0x308>
8000033c: 01812403 lw s0,24(sp)
80000340: 01c12083 lw ra,28(sp)
80000344: 01412483 lw s1,20(sp)
80000348: 01012903 lw s2,16(sp)
8000034c: 00c12983 lw s3,12(sp)
80000350: 02010113 addi sp,sp,32
80000354: 3940006f j 800006e8 <stopSim>
80000358: 341024f3 csrr s1,mepc
8000035c: 300025f3 csrr a1,mstatus
80000360: 34302473 csrr s0,mbadaddr
80000364: 02f00613 li a2,47
80000368: 07f47693 andi a3,s0,127
8000036c: 00c45713 srli a4,s0,0xc
80000370: 12c68663 beq a3,a2,8000049c <trap+0x1b0>
80000374: 07300613 li a2,115
80000378: 0ac69663 bne a3,a2,80000424 <trap+0x138>
8000037c: 00377713 andi a4,a4,3
80000380: 24f70663 beq a4,a5,800005cc <trap+0x2e0>
80000384: 00300793 li a5,3
80000388: 24f70263 beq a4,a5,800005cc <trap+0x2e0>
8000038c: 00100993 li s3,1
80000390: 03370463 beq a4,s3,800003b8 <trap+0xcc>
80000394: 354000ef jal ra,800006e8 <stopSim>
80000398: 343027f3 csrr a5,mbadaddr
8000039c: 14379073 csrw sbadaddr,a5
800003a0: 341027f3 csrr a5,mepc
800003a4: 14179073 csrw sepc,a5
800003a8: 342027f3 csrr a5,mcause
800003ac: 14279073 csrw scause,a5
800003b0: 105027f3 csrr a5,stvec
800003b4: 34179073 csrw mepc,a5
800003b8: 000017b7 lui a5,0x1
800003bc: 01445713 srli a4,s0,0x14
800003c0: c0178693 addi a3,a5,-1023 # c01 <__stack_size+0x401>
800003c4: 30d70463 beq a4,a3,800006cc <trap+0x3e0>
800003c8: c8178793 addi a5,a5,-895
800003cc: 2cf71c63 bne a4,a5,800006a4 <trap+0x3b8>
800003d0: 330000ef jal ra,80000700 <rdtimeh>
800003d4: 00050913 mv s2,a0
800003d8: 02098463 beqz s3,80000400 <trap+0x114>
800003dc: 30c000ef jal ra,800006e8 <stopSim>
800003e0: 343027f3 csrr a5,mbadaddr
800003e4: 14379073 csrw sbadaddr,a5
800003e8: 341027f3 csrr a5,mepc
800003ec: 14179073 csrw sepc,a5
800003f0: 342027f3 csrr a5,mcause
800003f4: 14279073 csrw scause,a5
800003f8: 105027f3 csrr a5,stvec
800003fc: 34179073 csrw mepc,a5
80000400: 00545413 srli s0,s0,0x5
80000404: 800017b7 lui a5,0x80001
80000408: fb078793 addi a5,a5,-80 # 80000fb0 <_sp+0xffffff80>
8000040c: 07c47413 andi s0,s0,124
80000410: 00f40433 add s0,s0,a5
80000414: 01242023 sw s2,0(s0)
80000418: 00448493 addi s1,s1,4
8000041c: 34149073 csrw mepc,s1
80000420: 0280006f j 80000448 <trap+0x15c>
80000424: 2c4000ef jal ra,800006e8 <stopSim>
80000428: 343027f3 csrr a5,mbadaddr
8000042c: 14379073 csrw sbadaddr,a5
80000430: 341027f3 csrr a5,mepc
80000434: 14179073 csrw sepc,a5
80000438: 342027f3 csrr a5,mcause
8000043c: 14279073 csrw scause,a5
80000440: 105027f3 csrr a5,stvec
80000444: 34179073 csrw mepc,a5
80000448: 01c12083 lw ra,28(sp)
8000044c: 01812403 lw s0,24(sp)
80000450: 01412483 lw s1,20(sp)
80000454: 01012903 lw s2,16(sp)
80000458: 00c12983 lw s3,12(sp)
8000045c: 02010113 addi sp,sp,32
80000460: 00008067 ret
80000464: 0ff7f793 andi a5,a5,255
80000468: 00700713 li a4,7
8000046c: fae79ce3 bne a5,a4,80000424 <trap+0x138>
80000470: 02000793 li a5,32
80000474: 1447a073 csrs sip,a5
80000478: 08000793 li a5,128
8000047c: 3047b073 csrc mie,a5
80000480: 01c12083 lw ra,28(sp)
80000484: 01812403 lw s0,24(sp)
80000488: 01412483 lw s1,20(sp)
8000048c: 01012903 lw s2,16(sp)
80000490: 00c12983 lw s3,12(sp)
80000494: 02010113 addi sp,sp,32
80000498: 00008067 ret
8000049c: 00777713 andi a4,a4,7
800004a0: f8f712e3 bne a4,a5,80000424 <trap+0x138>
800004a4: 00d45713 srli a4,s0,0xd
800004a8: 01245793 srli a5,s0,0x12
800004ac: 800016b7 lui a3,0x80001
800004b0: fb068693 addi a3,a3,-80 # 80000fb0 <_sp+0xffffff80>
800004b4: 07c77713 andi a4,a4,124
800004b8: 07c7f793 andi a5,a5,124
800004bc: 00d70733 add a4,a4,a3
800004c0: 00d787b3 add a5,a5,a3
800004c4: 00072703 lw a4,0(a4) # 20000 <__stack_size+0x1f800>
800004c8: 0007a603 lw a2,0(a5)
800004cc: 00020537 lui a0,0x20
800004d0: 30052073 csrs mstatus,a0
800004d4: 00000517 auipc a0,0x0
800004d8: 01850513 addi a0,a0,24 # 800004ec <trap+0x200>
800004dc: 30551073 csrw mtvec,a0
800004e0: 00100793 li a5,1
800004e4: 00072803 lw a6,0(a4)
800004e8: 00000793 li a5,0
800004ec: 00020537 lui a0,0x20
800004f0: 30053073 csrc mstatus,a0
800004f4: 08079063 bnez a5,80000574 <trap+0x288>
800004f8: 01b45793 srli a5,s0,0x1b
800004fc: 01c00513 li a0,28
80000500: f2f562e3 bltu a0,a5,80000424 <trap+0x138>
80000504: 80000537 lui a0,0x80000
80000508: 00279793 slli a5,a5,0x2
8000050c: 7b850513 addi a0,a0,1976 # 800007b8 <_sp+0xfffff788>
80000510: 00a787b3 add a5,a5,a0
80000514: 0007a783 lw a5,0(a5)
80000518: 00078067 jr a5
8000051c: 0ff57513 andi a0,a0,255
80000520: 1d0000ef jal ra,800006f0 <putC>
80000524: 341027f3 csrr a5,mepc
80000528: 00478793 addi a5,a5,4
8000052c: 34179073 csrw mepc,a5
80000530: f19ff06f j 80000448 <trap+0x15c>
80000534: fac7a583 lw a1,-84(a5)
80000538: 1d0000ef jal ra,80000708 <setMachineTimerCmp>
8000053c: 08000793 li a5,128
80000540: 3047a073 csrs mie,a5
80000544: 02000793 li a5,32
80000548: 1447b073 csrc sip,a5
8000054c: 341027f3 csrr a5,mepc
80000550: 00478793 addi a5,a5,4
80000554: 34179073 csrw mepc,a5
80000558: ef1ff06f j 80000448 <trap+0x15c>
8000055c: fff00713 li a4,-1
80000560: fae7a423 sw a4,-88(a5)
80000564: 341027f3 csrr a5,mepc
80000568: 00478793 addi a5,a5,4
8000056c: 34179073 csrw mepc,a5
80000570: ed9ff06f j 80000448 <trap+0x15c>
80000574: 800007b7 lui a5,0x80000
80000578: 07c78793 addi a5,a5,124 # 8000007c <_sp+0xfffff04c>
8000057c: 30579073 csrw mtvec,a5
80000580: 343027f3 csrr a5,mbadaddr
80000584: 14379073 csrw sbadaddr,a5
80000588: 342027f3 csrr a5,mcause
8000058c: 14279073 csrw scause,a5
80000590: 14149073 csrw sepc,s1
80000594: 105027f3 csrr a5,stvec
80000598: 34179073 csrw mepc,a5
8000059c: 10000793 li a5,256
800005a0: 1007b073 csrc sstatus,a5
800005a4: 0035d593 srli a1,a1,0x3
800005a8: 1005f593 andi a1,a1,256
800005ac: 1005a073 csrs sstatus,a1
800005b0: 000027b7 lui a5,0x2
800005b4: 80078793 addi a5,a5,-2048 # 1800 <__stack_size+0x1000>
800005b8: 3007b073 csrc mstatus,a5
800005bc: 000017b7 lui a5,0x1
800005c0: 88078793 addi a5,a5,-1920 # 880 <__stack_size+0x80>
800005c4: 3007a073 csrs mstatus,a5
800005c8: e81ff06f j 80000448 <trap+0x15c>
800005cc: 00f45993 srli s3,s0,0xf
800005d0: 01f9f993 andi s3,s3,31
800005d4: 013039b3 snez s3,s3
800005d8: de1ff06f j 800003b8 <trap+0xcc>
800005dc: 01060633 add a2,a2,a6
800005e0: 00545413 srli s0,s0,0x5
800005e4: 07c47413 andi s0,s0,124
800005e8: 00d406b3 add a3,s0,a3
800005ec: 0106a023 sw a6,0(a3)
800005f0: 000207b7 lui a5,0x20
800005f4: 3007a073 csrs mstatus,a5
800005f8: 00000797 auipc a5,0x0
800005fc: 01878793 addi a5,a5,24 # 80000610 <trap+0x324>
80000600: 30579073 csrw mtvec,a5
80000604: 00100693 li a3,1
80000608: 00c72023 sw a2,0(a4)
8000060c: 00000693 li a3,0
80000610: 000207b7 lui a5,0x20
80000614: 3007b073 csrc mstatus,a5
80000618: 800007b7 lui a5,0x80000
8000061c: 07c78793 addi a5,a5,124 # 8000007c <_sp+0xfffff04c>
80000620: 0a068c63 beqz a3,800006d8 <trap+0x3ec>
80000624: 30579073 csrw mtvec,a5
80000628: 343027f3 csrr a5,mbadaddr
8000062c: 14379073 csrw sbadaddr,a5
80000630: 342027f3 csrr a5,mcause
80000634: 14279073 csrw scause,a5
80000638: 14149073 csrw sepc,s1
8000063c: 105027f3 csrr a5,stvec
80000640: 34179073 csrw mepc,a5
80000644: 10000793 li a5,256
80000648: 1007b073 csrc sstatus,a5
8000064c: 0035d793 srli a5,a1,0x3
80000650: 1007f793 andi a5,a5,256
80000654: 1007a073 csrs sstatus,a5
80000658: f59ff06f j 800005b0 <trap+0x2c4>
8000065c: f90672e3 bleu a6,a2,800005e0 <trap+0x2f4>
80000660: 00080613 mv a2,a6
80000664: f7dff06f j 800005e0 <trap+0x2f4>
80000668: f6c87ce3 bleu a2,a6,800005e0 <trap+0x2f4>
8000066c: 00080613 mv a2,a6
80000670: f71ff06f j 800005e0 <trap+0x2f4>
80000674: 01066633 or a2,a2,a6
80000678: f69ff06f j 800005e0 <trap+0x2f4>
8000067c: 01064633 xor a2,a2,a6
80000680: f61ff06f j 800005e0 <trap+0x2f4>
80000684: f4c85ee3 ble a2,a6,800005e0 <trap+0x2f4>
80000688: 00080613 mv a2,a6
8000068c: f55ff06f j 800005e0 <trap+0x2f4>
80000690: 01067633 and a2,a2,a6
80000694: f4dff06f j 800005e0 <trap+0x2f4>
80000698: f50654e3 ble a6,a2,800005e0 <trap+0x2f4>
8000069c: 00080613 mv a2,a6
800006a0: f41ff06f j 800005e0 <trap+0x2f4>
800006a4: 044000ef jal ra,800006e8 <stopSim>
800006a8: 343027f3 csrr a5,mbadaddr
800006ac: 14379073 csrw sbadaddr,a5
800006b0: 341027f3 csrr a5,mepc
800006b4: 14179073 csrw sepc,a5
800006b8: 342027f3 csrr a5,mcause
800006bc: 14279073 csrw scause,a5
800006c0: 105027f3 csrr a5,stvec
800006c4: 34179073 csrw mepc,a5
800006c8: d11ff06f j 800003d8 <trap+0xec>
800006cc: 02c000ef jal ra,800006f8 <rdtime>
800006d0: 00050913 mv s2,a0
800006d4: d05ff06f j 800003d8 <trap+0xec>
800006d8: 00448493 addi s1,s1,4
800006dc: 34149073 csrw mepc,s1
800006e0: 30579073 csrw mtvec,a5
800006e4: d65ff06f j 80000448 <trap+0x15c>
80000354: 3600006f j 800006b4 <stopSim>
80000358: 00777713 andi a4,a4,7
8000035c: 14f70063 beq a4,a5,8000049c <trap+0x1b0>
80000360: 354000ef jal ra,800006b4 <stopSim>
80000364: 343027f3 csrr a5,mtval
80000368: 14379073 csrw stval,a5
8000036c: 341027f3 csrr a5,mepc
80000370: 14179073 csrw sepc,a5
80000374: 342027f3 csrr a5,mcause
80000378: 14279073 csrw scause,a5
8000037c: 105027f3 csrr a5,stvec
80000380: 34179073 csrw mepc,a5
80000384: 01c12083 lw ra,28(sp)
80000388: 01812403 lw s0,24(sp)
8000038c: 01412483 lw s1,20(sp)
80000390: 01012903 lw s2,16(sp)
80000394: 00c12983 lw s3,12(sp)
80000398: 02010113 addi sp,sp,32
8000039c: 00008067 ret
800003a0: 0ff7f793 andi a5,a5,255
800003a4: 00700713 li a4,7
800003a8: fae79ce3 bne a5,a4,80000360 <trap+0x74>
800003ac: 02000793 li a5,32
800003b0: 1447a073 csrs sip,a5
800003b4: 08000793 li a5,128
800003b8: 3047b073 csrc mie,a5
800003bc: 01c12083 lw ra,28(sp)
800003c0: 01812403 lw s0,24(sp)
800003c4: 01412483 lw s1,20(sp)
800003c8: 01012903 lw s2,16(sp)
800003cc: 00c12983 lw s3,12(sp)
800003d0: 02010113 addi sp,sp,32
800003d4: 00008067 ret
800003d8: 341024f3 csrr s1,mepc
800003dc: 300025f3 csrr a1,mstatus
800003e0: 34302473 csrr s0,mtval
800003e4: 02f00613 li a2,47
800003e8: 07f47693 andi a3,s0,127
800003ec: 00c45713 srli a4,s0,0xc
800003f0: f6c684e3 beq a3,a2,80000358 <trap+0x6c>
800003f4: 07300613 li a2,115
800003f8: f6c694e3 bne a3,a2,80000360 <trap+0x74>
800003fc: 00377713 andi a4,a4,3
80000400: 12f70063 beq a4,a5,80000520 <trap+0x234>
80000404: 00300793 li a5,3
80000408: 10f70c63 beq a4,a5,80000520 <trap+0x234>
8000040c: 00100993 li s3,1
80000410: 03370463 beq a4,s3,80000438 <trap+0x14c>
80000414: 2a0000ef jal ra,800006b4 <stopSim>
80000418: 343027f3 csrr a5,mtval
8000041c: 14379073 csrw stval,a5
80000420: 341027f3 csrr a5,mepc
80000424: 14179073 csrw sepc,a5
80000428: 342027f3 csrr a5,mcause
8000042c: 14279073 csrw scause,a5
80000430: 105027f3 csrr a5,stvec
80000434: 34179073 csrw mepc,a5
80000438: 000017b7 lui a5,0x1
8000043c: 01445713 srli a4,s0,0x14
80000440: c0178693 addi a3,a5,-1023 # c01 <__stack_size+0x401>
80000444: 0ed70663 beq a4,a3,80000530 <trap+0x244>
80000448: c8178793 addi a5,a5,-895
8000044c: 0cf70463 beq a4,a5,80000514 <trap+0x228>
80000450: 264000ef jal ra,800006b4 <stopSim>
80000454: 343027f3 csrr a5,mtval
80000458: 14379073 csrw stval,a5
8000045c: 341027f3 csrr a5,mepc
80000460: 14179073 csrw sepc,a5
80000464: 342027f3 csrr a5,mcause
80000468: 14279073 csrw scause,a5
8000046c: 105027f3 csrr a5,stvec
80000470: 34179073 csrw mepc,a5
80000474: 1c099063 bnez s3,80000634 <trap+0x348>
80000478: 00545413 srli s0,s0,0x5
8000047c: 800017b7 lui a5,0x80001
80000480: f8878793 addi a5,a5,-120 # 80000f88 <_sp+0xffffff80>
80000484: 07c47413 andi s0,s0,124
80000488: 00f40433 add s0,s0,a5
8000048c: 01242023 sw s2,0(s0)
80000490: 00448493 addi s1,s1,4
80000494: 34149073 csrw mepc,s1
80000498: eedff06f j 80000384 <trap+0x98>
8000049c: 00d45713 srli a4,s0,0xd
800004a0: 01245793 srli a5,s0,0x12
800004a4: 800016b7 lui a3,0x80001
800004a8: f8868693 addi a3,a3,-120 # 80000f88 <_sp+0xffffff80>
800004ac: 07c77713 andi a4,a4,124
800004b0: 07c7f793 andi a5,a5,124
800004b4: 00d70733 add a4,a4,a3
800004b8: 00d787b3 add a5,a5,a3
800004bc: 00072703 lw a4,0(a4) # 20000 <__stack_size+0x1f800>
800004c0: 0007a603 lw a2,0(a5)
800004c4: 00020537 lui a0,0x20
800004c8: 30052073 csrs mstatus,a0
800004cc: 00000517 auipc a0,0x0
800004d0: 01850513 addi a0,a0,24 # 800004e4 <trap+0x1f8>
800004d4: 30551073 csrw mtvec,a0
800004d8: 00100793 li a5,1
800004dc: 00072803 lw a6,0(a4)
800004e0: 00000793 li a5,0
800004e4: 00020537 lui a0,0x20
800004e8: 30053073 csrc mstatus,a0
800004ec: 16079863 bnez a5,8000065c <trap+0x370>
800004f0: 01b45793 srli a5,s0,0x1b
800004f4: 01c00513 li a0,28
800004f8: e6f564e3 bltu a0,a5,80000360 <trap+0x74>
800004fc: 80000537 lui a0,0x80000
80000500: 00279793 slli a5,a5,0x2
80000504: 79450513 addi a0,a0,1940 # 80000794 <_sp+0xfffff78c>
80000508: 00a787b3 add a5,a5,a0
8000050c: 0007a783 lw a5,0(a5)
80000510: 00078067 jr a5
80000514: 1b8000ef jal ra,800006cc <rdtimeh>
80000518: 00050913 mv s2,a0
8000051c: f59ff06f j 80000474 <trap+0x188>
80000520: 00f45993 srli s3,s0,0xf
80000524: 01f9f993 andi s3,s3,31
80000528: 013039b3 snez s3,s3
8000052c: f0dff06f j 80000438 <trap+0x14c>
80000530: 194000ef jal ra,800006c4 <rdtime>
80000534: 00050913 mv s2,a0
80000538: f3dff06f j 80000474 <trap+0x188>
8000053c: 01067463 bgeu a2,a6,80000544 <trap+0x258>
80000540: 00080613 mv a2,a6
80000544: 00545413 srli s0,s0,0x5
80000548: 07c47413 andi s0,s0,124
8000054c: 00d406b3 add a3,s0,a3
80000550: 0106a023 sw a6,0(a3)
80000554: 000207b7 lui a5,0x20
80000558: 3007a073 csrs mstatus,a5
8000055c: 00000797 auipc a5,0x0
80000560: 01878793 addi a5,a5,24 # 80000574 <trap+0x288>
80000564: 30579073 csrw mtvec,a5
80000568: 00100693 li a3,1
8000056c: 00c72023 sw a2,0(a4)
80000570: 00000693 li a3,0
80000574: 000207b7 lui a5,0x20
80000578: 3007b073 csrc mstatus,a5
8000057c: 800007b7 lui a5,0x80000
80000580: 07c78793 addi a5,a5,124 # 8000007c <_sp+0xfffff074>
80000584: 0e069063 bnez a3,80000664 <trap+0x378>
80000588: 00448493 addi s1,s1,4
8000058c: 34149073 csrw mepc,s1
80000590: 30579073 csrw mtvec,a5
80000594: df1ff06f j 80000384 <trap+0x98>
80000598: 01064633 xor a2,a2,a6
8000059c: fa9ff06f j 80000544 <trap+0x258>
800005a0: 01060633 add a2,a2,a6
800005a4: fa1ff06f j 80000544 <trap+0x258>
800005a8: 01067633 and a2,a2,a6
800005ac: f99ff06f j 80000544 <trap+0x258>
800005b0: 01066633 or a2,a2,a6
800005b4: f91ff06f j 80000544 <trap+0x258>
800005b8: f8c876e3 bgeu a6,a2,80000544 <trap+0x258>
800005bc: 00080613 mv a2,a6
800005c0: f85ff06f j 80000544 <trap+0x258>
800005c4: f90650e3 bge a2,a6,80000544 <trap+0x258>
800005c8: 00080613 mv a2,a6
800005cc: f79ff06f j 80000544 <trap+0x258>
800005d0: f6c85ae3 bge a6,a2,80000544 <trap+0x258>
800005d4: 00080613 mv a2,a6
800005d8: f6dff06f j 80000544 <trap+0x258>
800005dc: fff00713 li a4,-1
800005e0: fae7a423 sw a4,-88(a5)
800005e4: 341027f3 csrr a5,mepc
800005e8: 00478793 addi a5,a5,4
800005ec: 34179073 csrw mepc,a5
800005f0: d95ff06f j 80000384 <trap+0x98>
800005f4: fac7a583 lw a1,-84(a5)
800005f8: 0dc000ef jal ra,800006d4 <setMachineTimerCmp>
800005fc: 08000793 li a5,128
80000600: 3047a073 csrs mie,a5
80000604: 02000793 li a5,32
80000608: 1447b073 csrc sip,a5
8000060c: 341027f3 csrr a5,mepc
80000610: 00478793 addi a5,a5,4
80000614: 34179073 csrw mepc,a5
80000618: d6dff06f j 80000384 <trap+0x98>
8000061c: 0ff57513 andi a0,a0,255
80000620: 09c000ef jal ra,800006bc <putC>
80000624: 341027f3 csrr a5,mepc
80000628: 00478793 addi a5,a5,4
8000062c: 34179073 csrw mepc,a5
80000630: d55ff06f j 80000384 <trap+0x98>
80000634: 080000ef jal ra,800006b4 <stopSim>
80000638: 343027f3 csrr a5,mtval
8000063c: 14379073 csrw stval,a5
80000640: 341027f3 csrr a5,mepc
80000644: 14179073 csrw sepc,a5
80000648: 342027f3 csrr a5,mcause
8000064c: 14279073 csrw scause,a5
80000650: 105027f3 csrr a5,stvec
80000654: 34179073 csrw mepc,a5
80000658: e21ff06f j 80000478 <trap+0x18c>
8000065c: 800007b7 lui a5,0x80000
80000660: 07c78793 addi a5,a5,124 # 8000007c <_sp+0xfffff074>
80000664: 30579073 csrw mtvec,a5
80000668: 343027f3 csrr a5,mtval
8000066c: 14379073 csrw stval,a5
80000670: 342027f3 csrr a5,mcause
80000674: 14279073 csrw scause,a5
80000678: 14149073 csrw sepc,s1
8000067c: 105027f3 csrr a5,stvec
80000680: 34179073 csrw mepc,a5
80000684: 10000793 li a5,256
80000688: 1007b073 csrc sstatus,a5
8000068c: 0035d793 srli a5,a1,0x3
80000690: 1007f793 andi a5,a5,256
80000694: 1007a073 csrs sstatus,a5
80000698: 000027b7 lui a5,0x2
8000069c: 80078793 addi a5,a5,-2048 # 1800 <__stack_size+0x1000>
800006a0: 3007b073 csrc mstatus,a5
800006a4: 000017b7 lui a5,0x1
800006a8: 88078793 addi a5,a5,-1920 # 880 <__stack_size+0x80>
800006ac: 3007a073 csrs mstatus,a5
800006b0: cd5ff06f j 80000384 <trap+0x98>
800006e8 <stopSim>:
800006e8: fe002e23 sw zero,-4(zero) # fffffffc <_sp+0x7fffefcc>
800006ec: 00008067 ret
800006b4 <stopSim>:
800006b4: fe002e23 sw zero,-4(zero) # fffffffc <_sp+0x7fffeff4>
800006b8: 00008067 ret
800006f0 <putC>:
800006f0: fea02c23 sw a0,-8(zero) # fffffff8 <_sp+0x7fffefc8>
800006f4: 00008067 ret
800006bc <putC>:
800006bc: fea02c23 sw a0,-8(zero) # fffffff8 <_sp+0x7fffeff0>
800006c0: 00008067 ret
800006f8 <rdtime>:
800006f8: fe002503 lw a0,-32(zero) # ffffffe0 <_sp+0x7fffefb0>
800006fc: 00008067 ret
800006c4 <rdtime>:
800006c4: fe002503 lw a0,-32(zero) # ffffffe0 <_sp+0x7fffefd8>
800006c8: 00008067 ret
80000700 <rdtimeh>:
80000700: fe402503 lw a0,-28(zero) # ffffffe4 <_sp+0x7fffefb4>
80000704: 00008067 ret
800006cc <rdtimeh>:
800006cc: fe402503 lw a0,-28(zero) # ffffffe4 <_sp+0x7fffefdc>
800006d0: 00008067 ret
80000708 <setMachineTimerCmp>:
80000708: fec00793 li a5,-20
8000070c: fff00713 li a4,-1
80000710: 00e7a023 sw a4,0(a5)
80000714: fea02423 sw a0,-24(zero) # ffffffe8 <_sp+0x7fffefb8>
80000718: 00b7a023 sw a1,0(a5)
8000071c: 00008067 ret
800006d4 <setMachineTimerCmp>:
800006d4: fec00793 li a5,-20
800006d8: fff00713 li a4,-1
800006dc: 00e7a023 sw a4,0(a5)
800006e0: fea02423 sw a0,-24(zero) # ffffffe8 <_sp+0x7fffefe0>
800006e4: 00b7a023 sw a1,0(a5)
800006e8: 00008067 ret
80000720 <__libc_init_array>:
80000720: ff010113 addi sp,sp,-16
80000724: 00812423 sw s0,8(sp)
80000728: 00912223 sw s1,4(sp)
8000072c: 00000417 auipc s0,0x0
80000730: 08c40413 addi s0,s0,140 # 800007b8 <__init_array_end>
80000734: 00000497 auipc s1,0x0
80000738: 08448493 addi s1,s1,132 # 800007b8 <__init_array_end>
8000073c: 408484b3 sub s1,s1,s0
80000740: 01212023 sw s2,0(sp)
80000744: 00112623 sw ra,12(sp)
80000748: 4024d493 srai s1,s1,0x2
8000074c: 00000913 li s2,0
80000750: 04991063 bne s2,s1,80000790 <__libc_init_array+0x70>
80000754: 00000417 auipc s0,0x0
80000758: 06440413 addi s0,s0,100 # 800007b8 <__init_array_end>
8000075c: 00000497 auipc s1,0x0
80000760: 05c48493 addi s1,s1,92 # 800007b8 <__init_array_end>
80000764: 408484b3 sub s1,s1,s0
80000768: 911ff0ef jal ra,80000078 <_init>
8000076c: 4024d493 srai s1,s1,0x2
80000770: 00000913 li s2,0
80000774: 02991863 bne s2,s1,800007a4 <__libc_init_array+0x84>
80000778: 00c12083 lw ra,12(sp)
8000077c: 00812403 lw s0,8(sp)
80000780: 00412483 lw s1,4(sp)
80000784: 00012903 lw s2,0(sp)
80000788: 01010113 addi sp,sp,16
8000078c: 00008067 ret
80000790: 00042783 lw a5,0(s0)
80000794: 00190913 addi s2,s2,1
80000798: 00440413 addi s0,s0,4
8000079c: 000780e7 jalr a5
800007a0: fb1ff06f j 80000750 <__libc_init_array+0x30>
800007a4: 00042783 lw a5,0(s0)
800007a8: 00190913 addi s2,s2,1
800007ac: 00440413 addi s0,s0,4
800007b0: 000780e7 jalr a5
800007b4: fc1ff06f j 80000774 <__libc_init_array+0x54>
800006ec <__libc_init_array>:
800006ec: ff010113 addi sp,sp,-16
800006f0: 00000797 auipc a5,0x0
800006f4: 0a478793 addi a5,a5,164 # 80000794 <__init_array_end>
800006f8: 00812423 sw s0,8(sp)
800006fc: 00000417 auipc s0,0x0
80000700: 09840413 addi s0,s0,152 # 80000794 <__init_array_end>
80000704: 40f40433 sub s0,s0,a5
80000708: 00912223 sw s1,4(sp)
8000070c: 01212023 sw s2,0(sp)
80000710: 00112623 sw ra,12(sp)
80000714: 40245413 srai s0,s0,0x2
80000718: 00000493 li s1,0
8000071c: 00078913 mv s2,a5
80000720: 04849263 bne s1,s0,80000764 <__libc_init_array+0x78>
80000724: 955ff0ef jal ra,80000078 <_init>
80000728: 00000797 auipc a5,0x0
8000072c: 06c78793 addi a5,a5,108 # 80000794 <__init_array_end>
80000730: 00000417 auipc s0,0x0
80000734: 06440413 addi s0,s0,100 # 80000794 <__init_array_end>
80000738: 40f40433 sub s0,s0,a5
8000073c: 40245413 srai s0,s0,0x2
80000740: 00000493 li s1,0
80000744: 00078913 mv s2,a5
80000748: 02849a63 bne s1,s0,8000077c <__libc_init_array+0x90>
8000074c: 00c12083 lw ra,12(sp)
80000750: 00812403 lw s0,8(sp)
80000754: 00412483 lw s1,4(sp)
80000758: 00012903 lw s2,0(sp)
8000075c: 01010113 addi sp,sp,16
80000760: 00008067 ret
80000764: 00249793 slli a5,s1,0x2
80000768: 00f907b3 add a5,s2,a5
8000076c: 0007a783 lw a5,0(a5)
80000770: 00148493 addi s1,s1,1
80000774: 000780e7 jalr a5
80000778: fa9ff06f j 80000720 <__libc_init_array+0x34>
8000077c: 00249793 slli a5,s1,0x2
80000780: 00f907b3 add a5,s2,a5
80000784: 0007a783 lw a5,0(a5)
80000788: 00148493 addi s1,s1,1
8000078c: 000780e7 jalr a5
80000790: fb9ff06f j 80000748 <__libc_init_array+0x5c>

BIN
src/main/c/emulator/build/emulator.bin Executable file
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2
src/main/scala/vexriscv/plugin/IBusSimplePlugin.scala
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@ -309,7 +309,7 @@ class IBusSimplePlugin(resetVector : BigInt,
if(catchSomething){
decodeExceptionPort.code.assignDontCare()
decodeExceptionPort.badAddr := join.pc //TODO Should it be the physical address insted ?
decodeExceptionPort.badAddr := join.pc(31 downto 2) @@ "00"
if(catchAccessFault) when(join.valid && join.rsp.error){
decodeExceptionPort.code := 1