sysreg: add support for Apple's custom sysregs

Signed-off-by: Sven Peter <sven@svenpeter.dev>
This commit is contained in:
Sven Peter 2021-05-08 14:54:07 +02:00 committed by Hector Martin
parent 9120cb8426
commit 2c5b202c99
3 changed files with 380 additions and 4 deletions

View file

@ -5,9 +5,10 @@ from enum import IntEnum
from utils import Register64, Register32
def load_registers():
data = json.load(open(os.path.join(os.path.dirname(__file__), "..", "tools", "arm_regs.json")))
for reg in data:
yield reg["name"], tuple(reg["enc"])
for fname in ["arm_regs.json", "apple_regs.json"]:
data = json.load(open(os.path.join(os.path.dirname(__file__), "..", "tools", fname)))
for reg in data:
yield reg["name"], tuple(reg["enc"])
sysreg_fwd = dict(load_registers())
sysreg_rev = {v: k for k, v in sysreg_fwd.items()}

375
tools/apple_regs.json Normal file
View file

@ -0,0 +1,375 @@
[
{
"index": 0,
"name": "SPRR_CONFIG_EL1",
"fullname": "SPRR Configuration Register (EL3)",
"enc": [
3,
6,
15,
1,
0
],
"fieldsets": [
{
"fields": [
{
"name": "EN",
"msb": 0,
"lsb": 0
},
{
"name": "LOCK_CONFIG",
"msb": 1,
"lsb": 1
},
{
"name": "LOCK_PERM_EL0",
"msb": 4,
"lsb": 4
},
{
"name": "LOCK_PERM_EL1",
"msb": 5,
"lsb": 5
}
]
}
],
"width": 64
},
{
"index": 0,
"name": "GXF_CONFIG_EL1",
"fullname": "GXF Configuration Register (EL3)",
"enc": [
3,
6,
15,
1,
2
],
"fieldsets": [
{
"fields": [
{
"name": "EN",
"msb": 0,
"lsb": 0
}
]
}
],
"width": 64
},
{
"index": 0,
"name": "GXF_STATUS",
"fullname": "GXF Status Register",
"enc": [
3,
6,
15,
8,
0
],
"fieldsets": [
{
"fields": [
{
"name": "GUARDED",
"msb": 0,
"lsb": 0
}
]
}
],
"width": 64
},
{
"index": 0,
"name": "GXF_ABORT_EL1",
"fullname": "GXF Abort Vector Register (EL1)",
"enc": [
3,
6,
15,
8,
2
],
"width": 64
},
{
"index": 0,
"name": "GXF_ENTER_EL1",
"fullname": "GXF genter Entry Vector Register (EL1)",
"enc": [
3,
6,
15,
8,
1
],
"width": 64
},
{
"index": 0,
"name": "GXF_ABORT_EL12",
"fullname": "GXF Abort Vector Register (EL12)",
"enc": [
3,
6,
15,
15,
3
],
"width": 64
},
{
"index": 0,
"name": "GXF_ENTER_EL12",
"fullname": "GXF genter Entry Vector Register (EL12)",
"enc": [
3,
6,
15,
15,
2
],
"width": 64
},
{
"index": 0,
"name": "SPRR_PERM_EL0",
"fullname": "SPRR Permission Configuration Register (EL0)",
"enc": [
3,
6,
15,
1,
5
],
"width": 64
},
{
"index": 0,
"name": "SPRR_PERM_EL1",
"fullname": "SPRR Permission Configuration Register (EL1)",
"enc": [
3,
6,
15,
1,
6
],
"width": 64
},
{
"index": 0,
"name": "TPIDR_GL1",
"fullname": "Software Thread ID Register (GL1)",
"enc": [
3,
6,
15,
10,
1
],
"width": 64
},
{
"index": 0,
"name": "VBAR_GL1",
"fullname": "Vector Base Address Register (GL1)",
"enc": [
3,
6,
15,
10,
2
],
"width": 64
},
{
"index": 0,
"name": "SPSR_GL1",
"fullname": "Saved Program Status Register (GL1)",
"enc": [
3,
6,
15,
10,
3
],
"width": 64
},
{
"index": 0,
"name": "ASPSR_GL1",
"fullname": "ASPSR (GL1)",
"enc": [
3,
6,
15,
10,
4
],
"width": 64
},
{
"index": 0,
"name": "ESR_GL1",
"fullname": "Exception Syndrome Register (GL1)",
"enc": [
3,
6,
15,
10,
5
],
"width": 64
},
{
"index": 0,
"name": "ELR_GL1",
"fullname": "Exception Link Register (GL1)",
"enc": [
3,
6,
15,
10,
6
],
"width": 64
},
{
"index": 0,
"name": "FAR_GL1",
"fullname": "Fault Address Register (GL1)",
"enc": [
3,
6,
15,
10,
7
],
"width": 64
},
{
"index": 0,
"name": "TPIDR_GL2",
"fullname": "Software Thread ID Register (GL2)",
"enc": [
3,
6,
15,
11,
1
],
"width": 64
},
{
"index": 0,
"name": "VBAR_GL2",
"fullname": "Vector Base Address Register (GL2)",
"enc": [
3,
6,
15,
11,
2
],
"width": 64
},
{
"index": 0,
"name": "SPSR_GL2",
"fullname": "Saved Program Status Register (GL2)",
"enc": [
3,
6,
15,
11,
3
],
"width": 64
},
{
"index": 0,
"name": "ASPSR_GL2",
"fullname": "ASPSR (GL2)",
"enc": [
3,
6,
15,
11,
4
],
"width": 64
},
{
"index": 0,
"name": "ESR_GL2",
"fullname": "Exception Syndrome Register (GL2)",
"enc": [
3,
6,
15,
11,
5
],
"width": 64
},
{
"index": 0,
"name": "ELR_GL2",
"fullname": "Exception Link Register (GL2)",
"enc": [
3,
6,
15,
11,
6
],
"width": 64
},
{
"index": 0,
"name": "FAR_GL2",
"fullname": "Fault Address Register (GL2)",
"enc": [
3,
6,
15,
11,
7
],
"width": 64
},
{
"index": 0,
"name": "VBAR_GL12",
"fullname": "Vector Base Address Register (GL12)",
"enc": [
3,
6,
15,
9,
2
],
"width": 64
},
{
"index": 0,
"name": "SP_GL12",
"fullname": "Stack Pointer Register (GL12)",
"enc": [
3,
6,
15,
10,
0
],
"width": 64
}
]

View file

@ -9,7 +9,7 @@ for reg in data:
if name[-4:-1] == "_EL":
name = name[:-4]
for fieldset in reg["fieldsets"]:
for fieldset in reg.get("fieldsets", []):
if "instance" in fieldset:
print(f"// {fieldset['instance']}")
for f in fieldset["fields"]: