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Aarch64 low-level lab

Here you can find some low-level Aarch64 code that can run on the bare processor inside a virtual machine, i.e. prior to any firmware or an OS.

The repo produces a position-independent executable able to relocate itself, log the register values to the PL011 port, and can enable the MMU. The 4KiB translation granule size is used, and the optimal mix of page sizes is chosen when mapping. There are tests present, and, in particlular, one test that generates code on the fly.

The code showcases using semihosting on Aarch64, too.

0. Register ID_AA64MMFR0_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  7. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5 6
bits 0x00011100101021 0x0010000f100003 0x100032310201126 0x0012120f100003 0x10010000f100003 0x00000000001124 0x00000000001125
pa_range _36_bits_64GB _42_bits_4TB _52_bits_4PB _42_bits_4TB _42_bits_4TB _44_bits_16TB _48_bits_256TB
asid_bits _16_bits_ASID _8_bits_ASID _16_bits_ASID _8_bits_ASID _8_bits_ASID _16_bits_ASID _16_bits_ASID
big_end 0 0 1 0 0 1 1
sns_mem 1 0 1 0 0 1 1
big_end_el0 0 0 0 0 0 0 0
t_gran16 Yes Yes Yes_52bit Yes Yes No No
t_gran64 Yes No Yes No No Yes Yes
t_gran4 Yes Yes Yes_52bit Yes Yes Yes Yes
t_gran16_2 No AsStage1 Yes_52bit Yes AsStage1 AsStage1 AsStage1
t_gran64_2 No AsStage1 Yes No AsStage1 AsStage1 AsStage1
t_gran4_2 No AsStage1 Yes_52bit Yes AsStage1 AsStage1 AsStage1
ex_s 0 1 0 1 1 0 0
fgt 0 0 1 0 1 0 0
ecv 0 0 0 0 0 0 0

1. Register ID_AA64MMFR1_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  7. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5 6
bits 0x00000000200002 0x00000011212000 0x00011010211122 0x00000011212100 0x00000011312000 0x00000000000000 0x00000010211120
hafdbs 2 0 2 0 0 0 0
vmid_bits 0 0 2 0 0 0 2
vh 0 0 1 1 0 0 1
hpds 0 2 1 2 2 0 1
lo 0 1 1 1 1 0 1
pan 2 2 2 2 3 0 2
spec_sei 0 1 0 1 1 0 0
twed 0 1 1 1 1 0 1
xnx 0 0 0 0 0 0 0
ets 0 0 1 0 0 0 0
hcx 0 0 1 0 0 0 0
afp 0 0 0 0 0 0 0
n_tlbpa 0 0 0 0 0 0 0
tidcp1 0 0 0 0 0 0 0
cmow 0 0 0 0 0 0 0
ecbhb 0 0 0 0 0 0 0

2. Register ID_AA64MMFR2_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  7. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5 6
bits 0x00000100001010 0x1001001100001011 0x1221011010011011 0x1201011100001011 0x1001001100001011 0x00000000000000 0x00000010000011
cn_p 0 1 1 1 1 0 1
uao 1 1 1 1 1 0 1
lsm 0 0 0 0 0 0 0
iesb 1 1 1 1 1 0 0
va_range 0 0 1 0 0 0 0
ccidx 0 0 0 0 0 0 0
nv 0 0 0 0 0 0 0
st 0 0 1 0 0 0 1
at 1 1 0 1 1 0 0
ids 0 1 1 1 1 0 0
fwb 0 0 1 1 0 0 0
res0 0 0 0 0 0 0 0
ttl 0 1 1 1 1 0 0
bbm 0 0 2 0 0 0 0
evt 0 0 2 2 0 0 0
e0pd 0 1 1 1 1 0 0

3. Register ID_AA64MMFR3_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  7. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5 6
bits 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000
tcrx 0 0 0 0 0 0 0
sctlrx 0 0 0 0 0 0 0
s1pie 0 0 0 0 0 0 0
s2pie 0 0 0 0 0 0 0
s1poe 0 0 0 0 0 0 0
s2poe 0 0 0 0 0 0 0
aie 0 0 0 0 0 0 0
mec 0 0 0 0 0 0 0
d128 0 0 0 0 0 0 0
d128_2 0 0 0 0 0 0 0
snerr 0 0 0 0 0 0 0
anerr 0 0 0 0 0 0 0
res0 0 0 0 0 0 0 0
sderr 0 0 0 0 0 0 0
aderr 0 0 0 0 0 0 0
spec_fpacc 0 0 0 0 0 0 0

4. Register ID_AA64MMFR4_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  7. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5 6
bits 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000
eiesb 0 0 0 0 0 0 0

5. Register ID_AA64PFR0_EL1

Traceback (most recent call last): File "/Volumes/src/virt/aarch64-lab/tools/registers-aarch64.py", line 256, in row.append(s[field]) ~^^^^^^^ KeyError: 'csv3' krom@krom3m aarch64-lab % tools/registers-aarch64.py

Some system registers

0. Register ID_AA64MMFR0_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  7. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5 6
bits 0x00011100101021 0x0010000f100003 0x100032310201126 0x0012120f100003 0x10010000f100003 0x00000000001124 0x00000000001125
pa_range _36_bits_64GB _42_bits_4TB _52_bits_4PB _42_bits_4TB _42_bits_4TB _44_bits_16TB _48_bits_256TB
asid_bits _16_bits_ASID _8_bits_ASID _16_bits_ASID _8_bits_ASID _8_bits_ASID _16_bits_ASID _16_bits_ASID
big_end 0 0 1 0 0 1 1
sns_mem 1 0 1 0 0 1 1
big_end_el0 0 0 0 0 0 0 0
t_gran16 Yes Yes Yes_52bit Yes Yes No No
t_gran64 Yes No Yes No No Yes Yes
t_gran4 Yes Yes Yes_52bit Yes Yes Yes Yes
t_gran16_2 No AsStage1 Yes_52bit Yes AsStage1 AsStage1 AsStage1
t_gran64_2 No AsStage1 Yes No AsStage1 AsStage1 AsStage1
t_gran4_2 No AsStage1 Yes_52bit Yes AsStage1 AsStage1 AsStage1
ex_s 0 1 0 1 1 0 0
fgt 0 0 1 0 1 0 0
ecv 0 0 0 0 0 0 0

1. Register ID_AA64MMFR1_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  7. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5 6
bits 0x00000000200002 0x00000011212000 0x00011010211122 0x00000011212100 0x00000011312000 0x00000000000000 0x00000010211120
hafdbs 2 0 2 0 0 0 0
vmid_bits 0 0 2 0 0 0 2
vh 0 0 1 1 0 0 1
hpds 0 2 1 2 2 0 1
lo 0 1 1 1 1 0 1
pan 2 2 2 2 3 0 2
spec_sei 0 1 0 1 1 0 0
twed 0 1 1 1 1 0 1
xnx 0 0 0 0 0 0 0
ets 0 0 1 0 0 0 0
hcx 0 0 1 0 0 0 0
afp 0 0 0 0 0 0 0
n_tlbpa 0 0 0 0 0 0 0
tidcp1 0 0 0 0 0 0 0
cmow 0 0 0 0 0 0 0
ecbhb 0 0 0 0 0 0 0

2. Register ID_AA64MMFR2_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  7. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5 6
bits 0x00000100001010 0x1001001100001011 0x1221011010011011 0x1201011100001011 0x1001001100001011 0x00000000000000 0x00000010000011
cn_p 0 1 1 1 1 0 1
uao 1 1 1 1 1 0 1
lsm 0 0 0 0 0 0 0
iesb 1 1 1 1 1 0 0
va_range 0 0 1 0 0 0 0
ccidx 0 0 0 0 0 0 0
nv 0 0 0 0 0 0 0
st 0 0 1 0 0 0 1
at 1 1 0 1 1 0 0
ids 0 1 1 1 1 0 0
fwb 0 0 1 1 0 0 0
res0 0 0 0 0 0 0 0
ttl 0 1 1 1 1 0 0
bbm 0 0 2 0 0 0 0
evt 0 0 2 2 0 0 0
e0pd 0 1 1 1 1 0 0

3. Register ID_AA64MMFR3_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  7. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5 6
bits 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000
tcrx 0 0 0 0 0 0 0
sctlrx 0 0 0 0 0 0 0
s1pie 0 0 0 0 0 0 0
s2pie 0 0 0 0 0 0 0
s1poe 0 0 0 0 0 0 0
s2poe 0 0 0 0 0 0 0
aie 0 0 0 0 0 0 0
mec 0 0 0 0 0 0 0
d128 0 0 0 0 0 0 0
d128_2 0 0 0 0 0 0 0
snerr 0 0 0 0 0 0 0
anerr 0 0 0 0 0 0 0
res0 0 0 0 0 0 0 0
sderr 0 0 0 0 0 0 0
aderr 0 0 0 0 0 0 0
spec_fpacc 0 0 0 0 0 0 0

4. Register ID_AA64MMFR4_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  7. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5 6
bits 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000 0x00000000000000
eiesb 0 0 0 0 0 0 0

5. Register ID_AA64PFR0_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  7. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5 6
bits 0x1100000001111112 0x1101000010110011 0x1201001120110022 0x1101000011110111 0x1101000010110011 0x1000000000002222 0x01001100110022
el0 2 1 2 1 1 2 2
el1 1 1 2 1 1 2 2
el2 1 0 0 1 0 2 0
el3 1 0 0 0 0 2 0
fp 1 1 1 1 1 0 1
adv_simd 1 1 1 1 1 0 1
gic 1 0 0 1 0 0 0
ras 0 1 2 1 1 0 0
sve 0 0 1 0 0 0 1
sel2 0 0 1 0 0 0 1
mpam 0 0 0 0 0 0 0
amu 0 0 0 0 0 0 0
dit 0 1 1 1 1 0 1
rme 0 0 0 0 0 0 0
csv2 1 1 2 1 1 0 0
csv3 1 1 1 1 1 1 0

6. Register ID_AA64PFR1_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  7. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5 6
bits 0x00000000000010 0x00000000000000 0x00000001000021 0x00000000000020 0x00000000000000 0x00000000000000 0x00000000000021
bt 0 0 1 0 0 0 1
ssbs 1 0 2 2 0 0 2
mte 0 0 0 0 0 0 0
ras_frac 0 0 0 0 0 0 0
mpam_frac 0 0 0 0 0 0 0
res0 0 0 0 0 0 0 0
sme 0 0 1 0 0 0 0
rndr_trap 0 0 0 0 0 0 0
csv2_frac 0 0 0 0 0 0 0
nmi 0 0 0 0 0 0 0
mte_frac 0 0 0 0 0 0 0
gcs 0 0 0 0 0 0 0
the 0 0 0 0 0 0 0
mtex 0 0 0 0 0 0 0
df2 0 0 0 0 0 0 0
pfar 0 0 0 0 0 0 0

7. Register MAIR_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host, after UEFI
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host, after UEFI
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host, before UEFI
  4. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max, after UEFI
  5. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max, before UEFI
  6. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host, after UEFI
  7. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host, before UEFI
  8. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  9. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host, before UEFI
  10. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu host, after UEFI
  11. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max, after UEFI
  12. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max, before UEFI
Field\Env 0 1 2 3 4 5 6 7 8 9 10 11
bits 0x000000ffbb4400 0x000000ffbb4400 0x00000000000000 0x000000ffbb4400 0x00000000000000 0x000000ffbb4400 0x1de7ec7edbadc0de 0x000000bbff4400 0x1de7ec7edbadc0de 0x000000ffbb4400 0x000000ffbb4400 0x00000000000000
value [0, 44, bb, ff, 0, 0, 0, 0] [00, 44, bb, ff, 00, 00, 00, 00] [00, 00, 00, 00, 00, 00, 00, 00] [00, 44, bb, ff, 00, 00, 00, 00] [00, 00, 00, 00, 00, 00, 00, 00] [0, 44, bb, ff, 0, 0, 0, 0] [de, c0, ad, db, 7e, ec, e7, 1d] [0, 44, 0xff, 0xbb, 0, 0, 0, 0] [de, c0, ad, db, 7e, ec, e7, 1d] [00, 44, bb, ff, 00, 00, 00, 00] [00, 44, bb, ff, 00, 00, 00, 00] [00, 00, 00, 00, 00, 00]

8. Register MIDR_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max
  4. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host
  5. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host
  6. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max
Field\Env 0 1 2 3 4 5
bits 0x000000410fd4c0 0x00000000000000 0x000000000f0510 0x000000612f0250 0x000000410fd083 0x000000000f0510
revision 0 0 0 0 3 0
part_num d4c 0 51 25 d08 51
architecture f 0 f f f f
variant 0 0 0 2 0 0
implementer 41 0 0 61 41 0

9. Register SCTLR_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host, after UEFI
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host, after UEFI
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host, before UEFI
  4. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max, after UEFI
  5. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max, before UEFI
  6. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host, after UEFI
  7. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host, before UEFI
  8. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  9. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host, before UEFI
  10. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu host, after UEFI
  11. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max, after UEFI
  12. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max, before UEFI
Field\Env 0 1 2 3 4 5 6 7 8 9 10 11
bits 0x00000030d01805 0x00000030d0198d 0x00000030900180 0x00000030d0198d 0x00000000c50838 0x00000030d0198d 0x00000030d501d8 0x00000030901187 0x00000000c50838 0x00000030d0198d 0x00000030d0198d 0x00000000c50838
m 1 1 0 1 0 1 0 1 0 1 1 0
a 0 0 0 0 0 0 0 1 0 0 0 0
c 1 1 0 1 0 1 0 1 0 1 1 0
sa 0 1 0 1 1 1 1 0 1 1 1 1
sa0 0 0 0 0 1 0 1 0 1 0 0 1
cp15ben 0 0 0 0 1 0 0 0 1 0 0 1
n_aa 0 0 0 0 0 0 1 0 0 0 0 0
itd 0 1 1 1 0 1 1 1 0 1 1 0
sed 0 1 1 1 0 1 1 1 0 1 1 0
uma 0 0 0 0 0 0 0 0 0 0 0 0
en_rctx 0 0 0 0 0 0 0 0 0 0 0 0
eos 1 1 0 1 1 1 0 0 1 1 1 1
i 1 1 0 1 0 1 0 1 0 1 1 0
en_db 0 0 0 0 0 0 0 0 0 0 0 0
dze 0 0 0 0 0 0 0 0 0 0 0 0
uct 0 0 0 0 0 0 0 0 0 0 0 0
n_twi 0 0 0 0 1 0 1 0 1 0 0 1
n_twe 0 0 0 0 1 0 1 0 1 0 0 1
wxn 0 0 0 0 0 0 0 0 0 0 0 0
tscxt 1 1 1 1 0 1 1 1 0 1 1 0
iesb 0 0 0 0 0 0 0 0 0 0 0 0
eis 1 1 0 1 1 1 1 0 1 1 1 1
span 1 1 1 1 1 1 1 1 1 1 1 1
e0e 0 0 0 0 0 0 0 0 0 0 0 0
ee 0 0 0 0 0 0 0 0 0 0 0 0
uci 0 0 0 0 0 0 0 0 0 0 0 0
en_da 0 0 0 0 0 0 0 0 0 0 0 0
n_tlsmd 1 1 1 1 0 1 1 1 0 1 1 0
lsmaoe 1 1 1 1 0 1 1 1 0 1 1 0
en_ib 0 0 0 0 0 0 0 0 0 0 0 0
en_ia 0 0 0 0 0 0 0 0 0 0 0 0
cmow 0 0 0 0 0 0 0 0 0 0 0 0
msc_en 0 0 0 0 0 0 0 0 0 0 0 0
bt0 0 0 0 0 0 0 0 0 0 0 0 0
bt1 0 0 0 0 0 0 0 0 0 0 0 0
itfsb 0 0 0 0 0 0 0 0 0 0 0 0
tcf0 0 0 0 0 0 0 0 0 0 0 0 0
tcf 0 0 0 0 0 0 0 0 0 0 0 0
ata0 0 0 0 0 0 0 0 0 0 0 0 0
ata 0 0 0 0 0 0 0 0 0 0 0 0
dssbs 0 0 0 0 0 0 0 0 0 0 0 0
twed_en 0 0 0 0 0 0 0 0 0 0 0 0
twedel 0 0 0 0 0 0 0 0 0 0 0 0
tmt0 0 0 0 0 0 0 0 0 0 0 0 0
tmt 0 0 0 0 0 0 0 0 0 0 0 0
tme0 0 0 0 0 0 0 0 0 0 0 0 0
tme 0 0 0 0 0 0 0 0 0 0 0 0
en_asr 0 0 0 0 0 0 0 0 0 0 0 0
en_as0 0 0 0 0 0 0 0 0 0 0 0 0
en_als 0 0 0 0 0 0 0 0 0 0 0 0
epan 0 0 0 0 0 0 0 0 0 0 0 0
tcso0 0 0 0 0 0 0 0 0 0 0 0 0
tcso 0 0 0 0 0 0 0 0 0 0 0 0
en_tp2 0 0 0 0 0 0 0 0 0 0 0 0
nmi 0 0 0 0 0 0 0 0 0 0 0 0
spintmask 0 0 0 0 0 0 0 0 0 0 0 0
tidcp 0 0 0 0 0 0 0 0 0 0 0 0

10. Register SPSR_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host, after UEFI
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host, after UEFI
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host, before UEFI
  4. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max, after UEFI
  5. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max, before UEFI
  6. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host, after UEFI
  7. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host, before UEFI
  8. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  9. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host, before UEFI
  10. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu host, after UEFI
  11. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max, after UEFI
  12. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max, before UEFI
Field\Env 0 1 2 3 4 5 6 7 8 9 10 11
bits 0x00000060000005 0x00000080000205 0x00000000000000 0x00000020000205 0x00000000000000 0x00000080000205 0x00000000000000 0x00000000000000 0x00000000000000 0x00000060000205 0x00000080000a05 0x00000000000000
mode EL1h EL1h EL0t EL1h EL0t EL1h EL0t EL0t EL0t EL1h EL1h EL0t
aarch32 false false false false false false false false false false false false
f false false false false false false false false false false false false
i false false false false false false false false false false false false
a false false false false false false false false false false false false
d false true false true false true false false false true true false

11. Register TCR_EL1

  1. ARM64 Dev Kit for Windows, Windows 11, Hyper-V, cpu host, after UEFI
  2. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host, after UEFI
  3. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/HVF, cpu host, before UEFI
  4. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max, after UEFI
  5. Mac Studio M1 Ultra, macOS 15, QEMU 8.0/TCG, cpu max, before UEFI
  6. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host, after UEFI
  7. MacBook M1 Pro, Asahi Linux, QEMU 8.0/KVM, cpu host, before UEFI
  8. MacBook M3 Max, macOS 14, QEMU 8.0/HVF, cpu host
  9. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/KVM, cpu host, before UEFI
  10. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu host, after UEFI
  11. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max, after UEFI
  12. Raspberry Pi 4, Ubuntu 22.04, QEMU 6.2/TCG, cpu max, before UEFI
Field\Env 0 1 2 3 4 5 6 7 8 9 10 11
bits 0x0000018080351c 0x00000380803516 0x00000000000000 0x00000580803510 0x00000000000000 0x00000380803516 0x00000000000000 0x00000580803510 0x00000000000000 0x00000480803514 0x00000580803510 0x00000000000000
t0sz 1c 16 0 10 0 16 0 10 0 14 10 0
epd0 0 0 0 0 0 0 0 0 0 0 0 0
irgn0 1 1 0 1 0 1 0 1 0 1 1 0
orgn0 1 1 0 1 0 1 0 1 0 1 1 0
sh0 3 3 0 3 0 3 0 3 0 3 3 0
tg0 _4KB _4KB _4KB _4KB _4KB _4KB _4KB _4KB _4KB _4KB _4KB _4KB
t1sz 0 0 0 0 0 0 0 0 0 0 0 0
a1 0 0 0 0 0 0 0 0 0 0 0 0
epd1 1 1 0 1 0 1 0 1 0 1 1 0
irgn1 0 0 0 0 0 0 0 0 0 0 0 0
orgn1 0 0 0 0 0 0 0 0 0 0 0 0
sh1 0 0 0 0 0 0 0 0 0 0 0 0
tg1 _4KB _4KB _Invalid _4KB _Invalid _4KB _Invalid _4KB _Invalid _4KB _4KB _Invalid
ips _36_bits_64GB _42_bits_4TB _32_bits_4GB _48_bits_256TB _32_bits_4GB _42_bits_4TB _32_bits_4GB _48_bits_256TB _32_bits_4GB _44_bits_16TB _48_bits_256TB _32_bits_4GB
a_s 0 0 0 0 0 0 0 0 0 0 0 0
tbi0 0 0 0 0 0 0 0 0 0 0 0 0
tbi1 0 0 0 0 0 0 0 0 0 0 0 0
ha 0 0 0 0 0 0 0 0 0 0 0 0
hd 0 0 0 0 0 0 0 0 0 0 0 0
hpd0 0 0 0 0 0 0 0 0 0 0 0 0
hpd1 0 0 0 0 0 0 0 0 0 0 0 0
hwu059 0 0 0 0 0 0 0 0 0 0 0 0
hwu060 0 0 0 0 0 0 0 0 0 0 0 0
hwu061 0 0 0 0 0 0 0 0 0 0 0 0
hwu062 0 0 0 0 0 0 0 0 0 0 0 0
hwu159 0 0 0 0 0 0 0 0 0 0 0 0
hwu160 0 0 0 0 0 0 0 0 0 0 0 0
hwu161 0 0 0 0 0 0 0 0 0 0 0 0
hwu162 0 0 0 0 0 0 0 0 0 0 0 0
tbid0 0 0 0 0 0 0 0 0 0 0 0 0
tbid1 0 0 0 0 0 0 0 0 0 0 0 0
nfd0 0 0 0 0 0 0 0 0 0 0 0 0
nfd1 0 0 0 0 0 0 0 0 0 0 0 0
e0pd0 0 0 0 0 0 0 0 0 0 0 0 0
e0pd1 0 0 0 0 0 0 0 0 0 0 0 0
tcma0 0 0 0 0 0 0 0 0 0 0 0 0
tcma1 0 0 0 0 0 0 0 0 0 0 0 0
ds 0 0 0 0 0 0 0 0 0 0 0 0
mtx0 0 0 0 0 0 0 0 0 0 0 0 0
mtx1 0 0 0 0 0 0 0 0 0 0 0 0

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Aarch64 low-level lab

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assembly kvm mmu aarch64 relocation semihosting linker-script hvf pl011

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