cli/q
Code Issues 1 Pull Requests Activity

Added register documentation for arm64

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This commit is contained in:
Eduard Urbach
2025-03-23 12:57:05 +01:00
parent 597eb08ff6
commit ae928156c5
2 changed files with 33 additions and 38 deletions
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26
src/arm/Registers.go
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@ -3,7 +3,7 @@ package arm
import "git.urbach.dev/cli/q/src/cpu"
const (
X0 cpu.Register = iota
X0 cpu.Register = iota // Function arguments and return values [0-7]
X1
X2
X3
@ -11,18 +11,18 @@ const (
X5
X6
X7
X8
X9
X8 // Indirect result location register (used to pass a pointer to a structure return value)
X9 // Temporary registers (caller-saved, used for general computation) [9-15]
X10
X11
X12
X13
X14
X15
X16
X16 // Intra-procedure call scratch registers [16-17]
X17
X18
X19
X18 // Platform register (reserved by the platform ABI for thread-local storage)
X19 // Callee-saved registers (must be preserved across function calls) [19-28]
X20
X21
X22
@ -32,14 +32,18 @@ const (
X26
X27
X28
FP // Frame pointer
LR // Link register
SP // Stack pointer
ZR = SP // Zero register uses the same numerical value as SP
FP // Frame pointer
LR // Link register
SP // Stack pointer
)
const (
ZR = SP // Zero register uses the same numerical value as SP
TMP = X28 // Temporary register for the assembler
)
var (
GeneralRegisters = []cpu.Register{X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27, X28}
GeneralRegisters = []cpu.Register{X9, X10, X11, X12, X13, X14, X15, X16, X17, X19, X20, X21, X22, X23, X24, X25, X26, X27, X28}
InputRegisters = []cpu.Register{X0, X1, X2, X3, X4, X5}
OutputRegisters = InputRegisters
SyscallInputRegisters = []cpu.Register{X8, X0, X1, X2, X3, X4, X5}