diff options
Diffstat (limited to 'util/cpt_upgraders/armv8.py')
| -rw-r--r-- | util/cpt_upgraders/armv8.py | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/util/cpt_upgraders/armv8.py b/util/cpt_upgraders/armv8.py new file mode 100644 index 000000000..4e4e2a376 --- /dev/null +++ b/util/cpt_upgraders/armv8.py @@ -0,0 +1,314 @@ +# Add all ARMv8 state +def upgrader(cpt): + if cpt.get('root','isa') != 'arm': + return + import re + print "Warning: The size of the FP register file has changed. "\ + "To get similar results you need to adjust the number of "\ + "physical registers in the CPU you're restoring into by "\ + "NNNN." + # Find the CPU context's and upgrade their registers + for sec in cpt.sections(): + re_xc_match = re.match('^.*?sys.*?\.cpu(\d+)*\.xc\.*', sec) + if not re_xc_match: + continue + + # Update floating point regs + fpr = cpt.get(sec, 'floatRegs.i').split() + # v8 has 128 normal fp and 32 special fp regs compared + # to v7's 64 normal fp and 8 special fp regs. + # Insert the extra normal fp registers at end of v7 normal fp regs + for x in xrange(64): + fpr.insert(64, "0") + # Append the extra special registers + for x in xrange(24): + fpr.append("0") + cpt.set(sec, 'floatRegs.i', ' '.join(str(x) for x in fpr)) + + ir = cpt.get(sec, 'intRegs').split() + # Add in v8 int reg state + # Splice in R13_HYP + ir.insert(20, "0") + # Splice in INTREG_DUMMY and SP0 - SP3 + ir.extend(["0", "0", "0", "0", "0"]) + cpt.set(sec, 'intRegs', ' '.join(str(x) for x in ir)) + + # Update the cpu interrupt field + for sec in cpt.sections(): + re_int_match = re.match("^.*?sys.*?\.cpu(\d+)*$", sec) + if not re_int_match: + continue + + irqs = cpt.get(sec, "interrupts").split() + irqs.append("false") + irqs.append("false") + cpt.set(sec, "interrupts", ' '.join(str(x) for x in irqs)) + + # Update the per cpu interrupt structure + for sec in cpt.sections(): + re_int_match = re.match("^.*?sys.*?\.cpu(\d+)*\.interrupts$", sec) + if not re_int_match: + continue + + irqs = cpt.get(sec, "interrupts").split() + irqs.append("false") + irqs.append("false") + cpt.set(sec, "interrupts", ' '.join(str(x) for x in irqs)) + + # Update the misc regs and add in new isa specific fields + for sec in cpt.sections(): + re_isa_match = re.match("^.*?sys.*?\.cpu(\d+)*\.isa$", sec) + if not re_isa_match: + continue + + cpt.set(sec, 'haveSecurity', 'false') + cpt.set(sec, 'haveLPAE', 'false') + cpt.set(sec, 'haveVirtualization', 'false') + cpt.set(sec, 'haveLargeAsid64', 'false') + cpt.set(sec, 'physAddrRange64', '40') + + # splice in the new misc registers, ~200 -> 605 registers, + # ordering does not remain consistent + mr_old = cpt.get(sec, 'miscRegs').split() + mr_new = [ '0' for x in xrange(605) ] + + # map old v7 miscRegs to new v8 miscRegs + mr_new[0] = mr_old[0] # CPSR + mr_new[16] = mr_old[1] # CPSR_Q + mr_new[1] = mr_old[2] # SPSR + mr_new[2] = mr_old[3] # SPSR_FIQ + mr_new[3] = mr_old[4] # SPSR_IRQ + mr_new[4] = mr_old[5] # SPSR_SVC + mr_new[5] = mr_old[6] # SPSR_MON + mr_new[8] = mr_old[7] # SPSR_UND + mr_new[6] = mr_old[8] # SPSR_ABT + mr_new[432] = mr_old[9] # FPSR + mr_new[10] = mr_old[10] # FPSID + mr_new[11] = mr_old[11] # FPSCR + mr_new[18] = mr_old[12] # FPSCR_QC + mr_new[17] = mr_old[13] # FPSCR_EXC + mr_new[14] = mr_old[14] # FPEXC + mr_new[13] = mr_old[15] # MVFR0 + mr_new[12] = mr_old[16] # MVFR1 + mr_new[28] = mr_old[17] # SCTLR_RST, + mr_new[29] = mr_old[18] # SEV_MAILBOX, + mr_new[30] = mr_old[19] # DBGDIDR + mr_new[31] = mr_old[20] # DBGDSCR_INT, + mr_new[33] = mr_old[21] # DBGDTRRX_INT, + mr_new[34] = mr_old[22] # DBGTRTX_INT, + mr_new[35] = mr_old[23] # DBGWFAR, + mr_new[36] = mr_old[24] # DBGVCR, + #mr_new[] = mr_old[25] # DBGECR -> UNUSED, + #mr_new[] = mr_old[26] # DBGDSCCR -> UNUSED, + #mr_new[] = mr_old[27] # DBGSMCR -> UNUSED, + mr_new[37] = mr_old[28] # DBGDTRRX_EXT, + mr_new[38] = mr_old[29] # DBGDSCR_EXT, + mr_new[39] = mr_old[30] # DBGDTRTX_EXT, + #mr_new[] = mr_old[31] # DBGDRCR -> UNUSED, + mr_new[41] = mr_old[32] # DBGBVR, + mr_new[47] = mr_old[33] # DBGBCR, + #mr_new[] = mr_old[34] # DBGBVR_M -> UNUSED, + #mr_new[] = mr_old[35] # DBGBCR_M -> UNUSED, + mr_new[61] = mr_old[36] # DBGDRAR, + #mr_new[] = mr_old[37] # DBGBXVR_M -> UNUSED, + mr_new[64] = mr_old[38] # DBGOSLAR, + #mr_new[] = mr_old[39] # DBGOSSRR -> UNUSED, + mr_new[66] = mr_old[40] # DBGOSDLR, + mr_new[67] = mr_old[41] # DBGPRCR, + #mr_new[] = mr_old[42] # DBGPRSR -> UNUSED, + mr_new[68] = mr_old[43] # DBGDSAR, + #mr_new[] = mr_old[44] # DBGITCTRL -> UNUSED, + mr_new[69] = mr_old[45] # DBGCLAIMSET, + mr_new[70] = mr_old[46] # DBGCLAIMCLR, + mr_new[71] = mr_old[47] # DBGAUTHSTATUS, + mr_new[72] = mr_old[48] # DBGDEVID2, + mr_new[73] = mr_old[49] # DBGDEVID1, + mr_new[74] = mr_old[50] # DBGDEVID, + mr_new[77] = mr_old[51] # TEEHBR, + mr_new[109] = mr_old[52] # v7 SCTLR -> aarc32 SCTLR_NS + mr_new[189] = mr_old[53] # DCCISW, + mr_new[188] = mr_old[54] # DCCIMVAC, + mr_new[183] = mr_old[55] # DCCMVAC, + mr_new[271] = mr_old[56] # v7 CONTEXTIDR -> aarch32 CONTEXTIDR_NS, + mr_new[274] = mr_old[57] # v7 TPIDRURW -> aarch32 TPIDRURW_NS, + mr_new[277] = mr_old[58] # v7 TPIDRURO -> aarch32 TPIDRURO_NS, + mr_new[280] = mr_old[59] # v7 TPIDRPRW -> aarch32 TPIDRPRW_NS, + mr_new[170] = mr_old[60] # CP15ISB, + mr_new[185] = mr_old[61] # CP15DSB, + mr_new[186] = mr_old[62] # CP15DMB, + mr_new[114] = mr_old[63] # CPACR, + mr_new[101] = mr_old[64] # CLIDR, + mr_new[100] = mr_old[65] # CCSIDR, + mr_new[104] = mr_old[66] # v7 CSSELR -> aarch32 CSSELR_NS, + mr_new[163] = mr_old[67] # ICIALLUIS, + mr_new[168] = mr_old[68] # ICIALLU, + mr_new[169] = mr_old[69] # ICIMVAU, + mr_new[172] = mr_old[70] # BPIMVA, + mr_new[164] = mr_old[71] # BPIALLIS, + mr_new[171] = mr_old[72] # BPIALL, + mr_new[80] = mr_old[73] # MIDR, + mr_new[126] = mr_old[74] # v7 TTBR0 -> aarch32 TTBR0_NS, + mr_new[129] = mr_old[75] # v7 TTBR1 -> aarch32 TTBR1_NS, + mr_new[83] = mr_old[76] # TLBTR, + mr_new[137] = mr_old[77] # v7 DACR -> aarch32 DACR_NS, + mr_new[192] = mr_old[78] # TLBIALLIS, + mr_new[193] = mr_old[79] # TLBIMVAIS, + mr_new[194] = mr_old[80] # TLBIASIDIS, + mr_new[195] = mr_old[81] # TLBIMVAAIS, + mr_new[198] = mr_old[82] # ITLBIALL, + mr_new[199] = mr_old[83] # ITLBIMVA, + mr_new[200] = mr_old[84] # ITLBIASID, + mr_new[201] = mr_old[85] # DTLBIALL, + mr_new[202] = mr_old[86] # DTLBIMVA, + mr_new[203] = mr_old[87] # DTLBIASID, + mr_new[204] = mr_old[88] # TLBIALL, + mr_new[205] = mr_old[89] # TLBIMVA, + mr_new[206] = mr_old[90] # TLBIASID, + mr_new[207] = mr_old[91] # TLBIMVAA, + mr_new[140] = mr_old[92] # v7 DFSR -> aarch32 DFSR_NS, + mr_new[143] = mr_old[93] # v7 IFSR -> aarch32 IFSR_NS, + mr_new[155] = mr_old[94] # v7 DFAR -> aarch32 DFAR_NS, + mr_new[158] = mr_old[95] # v7 IFAR -> aarch32 IFAR_NS, + mr_new[84] = mr_old[96] # MPIDR, + mr_new[241] = mr_old[97] # v7 PRRR -> aarch32 PRRR_NS, + mr_new[247] = mr_old[98] # v7 NMRR -> aarch32 NMRR_NS, + mr_new[131] = mr_old[99] # TTBCR, + mr_new[86] = mr_old[100] # ID_PFR0, + mr_new[81] = mr_old[101] # CTR, + mr_new[115] = mr_old[102] # SCR, + # Set the non-secure bit + scr = int(mr_new[115]) + scr = scr | 0x1 + mr_new[115] = str(scr) + ### + mr_new[116] = mr_old[103] # SDER, + mr_new[165] = mr_old[104] # PAR, + mr_new[175] = mr_old[105] # V2PCWPR -> ATS1CPR, + mr_new[176] = mr_old[106] # V2PCWPW -> ATS1CPW, + mr_new[177] = mr_old[107] # V2PCWUR -> ATS1CUR, + mr_new[178] = mr_old[108] # V2PCWUW -> ATS1CUW, + mr_new[179] = mr_old[109] # V2POWPR -> ATS12NSOPR, + mr_new[180] = mr_old[110] # V2POWPW -> ATS12NSOPW, + mr_new[181] = mr_old[111] # V2POWUR -> ATS12NSOUR, + mr_new[182] = mr_old[112] # V2POWUW -> ATS12NWOUW, + mr_new[90] = mr_old[113] # ID_MMFR0, + mr_new[92] = mr_old[114] # ID_MMFR2, + mr_new[93] = mr_old[115] # ID_MMFR3, + mr_new[112] = mr_old[116] # v7 ACTLR -> aarch32 ACTLR_NS + mr_new[222] = mr_old[117] # PMCR, + mr_new[230] = mr_old[118] # PMCCNTR, + mr_new[223] = mr_old[119] # PMCNTENSET, + mr_new[224] = mr_old[120] # PMCNTENCLR, + mr_new[225] = mr_old[121] # PMOVSR, + mr_new[226] = mr_old[122] # PMSWINC, + mr_new[227] = mr_old[123] # PMSELR, + mr_new[228] = mr_old[124] # PMCEID0, + mr_new[229] = mr_old[125] # PMCEID1, + mr_new[231] = mr_old[126] # PMXEVTYPER, + mr_new[233] = mr_old[127] # PMXEVCNTR, + mr_new[234] = mr_old[128] # PMUSERENR, + mr_new[235] = mr_old[129] # PMINTENSET, + mr_new[236] = mr_old[130] # PMINTENCLR, + mr_new[94] = mr_old[131] # ID_ISAR0, + mr_new[95] = mr_old[132] # ID_ISAR1, + mr_new[96] = mr_old[133] # ID_ISAR2, + mr_new[97] = mr_old[134] # ID_ISAR3, + mr_new[98] = mr_old[135] # ID_ISAR4, + mr_new[99] = mr_old[136] # ID_ISAR5, + mr_new[20] = mr_old[137] # LOCKFLAG, + mr_new[19] = mr_old[138] # LOCKADDR, + mr_new[87] = mr_old[139] # ID_PFR1, + # Set up the processor features register + pfr = int(mr_new[87]) + pfr = pfr | 0x1011 + mr_new[87] = str(pfr) + ### + mr_new[238] = mr_old[140] # L2CTLR, + mr_new[82] = mr_old[141] # TCMTR + mr_new[88] = mr_old[142] # ID_DFR0, + mr_new[89] = mr_old[143] # ID_AFR0, + mr_new[91] = mr_old[144] # ID_MMFR1, + mr_new[102] = mr_old[145] # AIDR, + mr_new[146] = mr_old[146] # v7 ADFSR -> aarch32 ADFSR_NS, + mr_new[148] = mr_old[147] # AIFSR, + mr_new[173] = mr_old[148] # DCIMVAC, + mr_new[174] = mr_old[149] # DCISW, + mr_new[184] = mr_old[150] # MCCSW -> DCCSW, + mr_new[187] = mr_old[151] # DCCMVAU, + mr_new[117] = mr_old[152] # NSACR, + mr_new[262] = mr_old[153] # VBAR, + mr_new[265] = mr_old[154] # MVBAR, + mr_new[267] = mr_old[155] # ISR, + mr_new[269] = mr_old[156] # FCEIDR -> FCSEIDR, + #mr_new[] = mr_old[157] # L2LATENCY -> UNUSED, + #mr_new[] = mr_old[158] # CRN15 -> UNUSED, + mr_new[599] = mr_old[159] # NOP + mr_new[600] = mr_old[160] # RAZ, + + # Set the new miscRegs structure + cpt.set(sec, 'miscRegs', ' '.join(str(x) for x in mr_new)) + + cpu_prefix = {} + # Add in state for ITB/DTB + for sec in cpt.sections(): + re_tlb_match = re.match('(^.*?sys.*?\.cpu(\d+)*)\.(dtb|itb)$', sec) + if not re_tlb_match: + continue + + cpu_prefix[re_tlb_match.group(1)] = True # Save off prefix to add + # Set the non-secure bit (bit 9) to 1 for attributes + attr = int(cpt.get(sec, '_attr')) + attr = attr | 0x200 + cpt.set(sec, '_attr', str(attr)) + cpt.set(sec, 'haveLPAE', 'false') + cpt.set(sec, 'directToStage2', 'false') + cpt.set(sec, 'stage2Req', 'false') + cpt.set(sec, 'bootUncacheability', 'true') + + # Add in extra state for the new TLB Entries + for sec in cpt.sections(): + re_tlbentry_match = re.match('(^.*?sys.*?\.cpu(\d+)*)\.(dtb|itb).TlbEntry\d+$', sec) + if not re_tlbentry_match: + continue + + # Add in the new entries + cpt.set(sec, 'longDescFormat', 'false') + cpt.set(sec, 'vmid', '0') + cpt.set(sec, 'isHyp', 'false') + valid = cpt.get(sec, 'valid') + if valid == 'true': + cpt.set(sec, 'ns', 'true') + cpt.set(sec, 'nstid', 'true') + cpt.set(sec, 'pxn', 'true') + cpt.set(sec, 'hap', '3') + # All v7 code used 2 level page tables + cpt.set(sec, 'lookupLevel', '2') + attr = int(cpt.get(sec, 'attributes')) + # set the non-secure bit (bit 9) to 1 + # as no previous v7 code used secure code + attr = attr | 0x200 + cpt.set(sec, 'attributes', str(attr)) + else: + cpt.set(sec, 'ns', 'false') + cpt.set(sec, 'nstid', 'false') + cpt.set(sec, 'pxn', 'false') + cpt.set(sec, 'hap', '0') + cpt.set(sec, 'lookupLevel', '0') + cpt.set(sec, 'outerShareable', 'false') + + # Add d/istage2_mmu and d/istage2_mmu.stage2_tlb + for key in cpu_prefix: + for suffix in ['.istage2_mmu', '.dstage2_mmu']: + new_sec = key + suffix + cpt.add_section(new_sec) + new_sec = key + suffix + ".stage2_tlb" + cpt.add_section(new_sec) + # Fill in tlb info with some defaults + cpt.set(new_sec, '_attr', '0') + cpt.set(new_sec, 'haveLPAE', 'false') + cpt.set(new_sec, 'directToStage2', 'false') + cpt.set(new_sec, 'stage2Req', 'false') + cpt.set(new_sec, 'bootUncacheability', 'false') + cpt.set(new_sec, 'num_entries', '0') + +legacy_version = 9 |