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Added x86 package
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This commit is contained in:
Eduard Urbach 2025-06-23 11:43:09 +02:00
parent 31c5ed614c
commit 9b2b2578f5
Signed by: akyoto
GPG key ID: 49226B848C78F6C8
57 changed files with 2661 additions and 0 deletions
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src/x86/Add_test.go Normal file
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package x86_test
import (
"testing"
"git.urbach.dev/cli/q/src/cpu"
"git.urbach.dev/cli/q/src/x86"
"git.urbach.dev/go/assert"
)
func TestAddRegisterNumber(t *testing.T) {
usagePatterns := []struct {
Register cpu.Register
Number int
Code []byte
}{
{x86.R0, 1, []byte{0x48, 0x83, 0xC0, 0x01}},
{x86.R1, 1, []byte{0x48, 0x83, 0xC1, 0x01}},
{x86.R2, 1, []byte{0x48, 0x83, 0xC2, 0x01}},
{x86.R3, 1, []byte{0x48, 0x83, 0xC3, 0x01}},
{x86.SP, 1, []byte{0x48, 0x83, 0xC4, 0x01}},
{x86.R5, 1, []byte{0x48, 0x83, 0xC5, 0x01}},
{x86.R6, 1, []byte{0x48, 0x83, 0xC6, 0x01}},
{x86.R7, 1, []byte{0x48, 0x83, 0xC7, 0x01}},
{x86.R8, 1, []byte{0x49, 0x83, 0xC0, 0x01}},
{x86.R9, 1, []byte{0x49, 0x83, 0xC1, 0x01}},
{x86.R10, 1, []byte{0x49, 0x83, 0xC2, 0x01}},
{x86.R11, 1, []byte{0x49, 0x83, 0xC3, 0x01}},
{x86.R12, 1, []byte{0x49, 0x83, 0xC4, 0x01}},
{x86.R13, 1, []byte{0x49, 0x83, 0xC5, 0x01}},
{x86.R14, 1, []byte{0x49, 0x83, 0xC6, 0x01}},
{x86.R15, 1, []byte{0x49, 0x83, 0xC7, 0x01}},
{x86.R0, 0x7FFFFFFF, []byte{0x48, 0x81, 0xC0, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R1, 0x7FFFFFFF, []byte{0x48, 0x81, 0xC1, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R2, 0x7FFFFFFF, []byte{0x48, 0x81, 0xC2, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R3, 0x7FFFFFFF, []byte{0x48, 0x81, 0xC3, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.SP, 0x7FFFFFFF, []byte{0x48, 0x81, 0xC4, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R5, 0x7FFFFFFF, []byte{0x48, 0x81, 0xC5, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R6, 0x7FFFFFFF, []byte{0x48, 0x81, 0xC6, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R7, 0x7FFFFFFF, []byte{0x48, 0x81, 0xC7, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R8, 0x7FFFFFFF, []byte{0x49, 0x81, 0xC0, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R9, 0x7FFFFFFF, []byte{0x49, 0x81, 0xC1, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R10, 0x7FFFFFFF, []byte{0x49, 0x81, 0xC2, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R11, 0x7FFFFFFF, []byte{0x49, 0x81, 0xC3, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R12, 0x7FFFFFFF, []byte{0x49, 0x81, 0xC4, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R13, 0x7FFFFFFF, []byte{0x49, 0x81, 0xC5, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R14, 0x7FFFFFFF, []byte{0x49, 0x81, 0xC6, 0xFF, 0xFF, 0xFF, 0x7F}},
{x86.R15, 0x7FFFFFFF, []byte{0x49, 0x81, 0xC7, 0xFF, 0xFF, 0xFF, 0x7F}},
}
for _, pattern := range usagePatterns {
t.Logf("add %s, %x", pattern.Register, pattern.Number)
code := x86.AddRegisterNumber(nil, pattern.Register, pattern.Number)
assert.DeepEqual(t, code, pattern.Code)
}
}
func TestAddRegisterRegister(t *testing.T) {
usagePatterns := []struct {
Left cpu.Register
Right cpu.Register
Code []byte
}{
{x86.R0, x86.R15, []byte{0x4C, 0x01, 0xF8}},
{x86.R1, x86.R14, []byte{0x4C, 0x01, 0xF1}},
{x86.R2, x86.R13, []byte{0x4C, 0x01, 0xEA}},
{x86.R3, x86.R12, []byte{0x4C, 0x01, 0xE3}},
{x86.SP, x86.R11, []byte{0x4C, 0x01, 0xDC}},
{x86.R5, x86.R10, []byte{0x4C, 0x01, 0xD5}},
{x86.R6, x86.R9, []byte{0x4C, 0x01, 0xCE}},
{x86.R7, x86.R8, []byte{0x4C, 0x01, 0xC7}},
{x86.R8, x86.R7, []byte{0x49, 0x01, 0xF8}},
{x86.R9, x86.R6, []byte{0x49, 0x01, 0xF1}},
{x86.R10, x86.R5, []byte{0x49, 0x01, 0xEA}},
{x86.R11, x86.SP, []byte{0x49, 0x01, 0xE3}},
{x86.R12, x86.R3, []byte{0x49, 0x01, 0xDC}},
{x86.R13, x86.R2, []byte{0x49, 0x01, 0xD5}},
{x86.R14, x86.R1, []byte{0x49, 0x01, 0xCE}},
{x86.R15, x86.R0, []byte{0x49, 0x01, 0xC7}},
}
for _, pattern := range usagePatterns {
t.Logf("add %s, %s", pattern.Left, pattern.Right)
code := x86.AddRegisterRegister(nil, pattern.Left, pattern.Right)
assert.DeepEqual(t, code, pattern.Code)
}
}