cli/q
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Implemented more arm64 instructions

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This commit is contained in:
Eduard Urbach
2025-03-06 23:13:14 +01:00
parent cb908e7b31
commit 0ac7fc9a85
26 changed files with 232 additions and 73 deletions
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21
src/arm/Move.go
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@ -1,26 +1,27 @@
package arm
import (
"encoding/binary"
"git.urbach.dev/cli/q/src/cpu"
)
// MoveRegisterRegister copies a register to another register.
func MoveRegisterRegister(destination cpu.Register, source cpu.Register) uint32 {
return 0b10101010<<24 | uint32(source)<<16 | 0b11111<<5 | uint32(destination)
}
// MoveRegisterNumber moves an integer into the given register.
func MoveRegisterNumber(code []byte, destination cpu.Register, number int) []byte {
return MoveZero(code, destination, 0, uint16(number))
func MoveRegisterNumber(destination cpu.Register, number int) uint32 {
return MoveZero(destination, 0, uint16(number))
}
// MoveKeep moves a 16-bit integer into the given register and keeps all other bits.
func MoveKeep(code []byte, destination cpu.Register, halfword int, number uint16) []byte {
x := mov(0b11, halfword, number, destination)
return binary.LittleEndian.AppendUint32(code, x)
func MoveKeep(destination cpu.Register, halfword int, number uint16) uint32 {
return mov(0b11, halfword, number, destination)
}
// MoveZero moves a 16-bit integer into the given register and clears all other bits to zero.
func MoveZero(code []byte, destination cpu.Register, halfword int, number uint16) []byte {
x := mov(0b10, halfword, number, destination)
return binary.LittleEndian.AppendUint32(code, x)
func MoveZero(destination cpu.Register, halfword int, number uint16) uint32 {
return mov(0b10, halfword, number, destination)
}
// mov encodes a generic move instruction.