test: add esp32 libc and rt test

_embdemo/esp32/rt/main.go

@@ -0,0 +1,385 @@
+package main
+
+import (
+	_ "unsafe"
+
+	"github.com/goplus/llgo/_embdemo/esp32/watchdog"
+)
+
+//
+//go:linkname absvdi2 __absvdi2
+func absvdi2(a int64) int64
+
+//go:linkname absvsi2 __absvsi2
+func absvsi2(a int32) int32
+
+//go:linkname adddf3 __adddf3
+func adddf3(a, b float64) float64
+
+//go:linkname addsf3 __addsf3
+func addsf3(a, b float32) float32
+
+//go:linkname addvdi3 __addvdi3
+func addvdi3(a, b int64) int64
+
+//go:linkname addvsi3 __addvsi3
+func addvsi3(a, b int32) int32
+
+//go:linkname udivdi3 __udivdi3
+func udivdi3(a, b uint64) uint64
+
+//go:linkname clzdi2 __clzdi2
+func clzdi2(a uint64) int32
+
+//go:linkname clzsi2 __clzsi2
+func clzsi2(a uint32) int32
+
+//go:linkname ctzdi2 __ctzdi2
+func ctzdi2(a uint64) int32
+
+//go:linkname ctzsi2 __ctzsi2
+func ctzsi2(a uint32) int32
+
+//go:linkname popcountdi2 __popcountdi2
+func popcountdi2(a uint64) int32
+
+//go:linkname popcountsi2 __popcountsi2
+func popcountsi2(a uint32) int32
+
+//go:linkname divdf3 __divdf3
+func divdf3(a, b float64) float64
+
+//go:linkname divsf3 __divsf3
+func divsf3(a, b float32) float32
+
+//go:linkname mulsf3 __mulsf3
+func mulsf3(a, b float32) float32
+
+//go:linkname divdi3 __divdi3
+func divdi3(a, b int64) int64
+
+//go:linkname muldf3 __muldf3
+func muldf3(a, b float64) float64
+
+//go:linkname muldi3 __muldi3
+func muldi3(a, b int64) int64
+
+//go:linkname subdf3 __subdf3
+func subdf3(a, b float64) float64
+
+//go:linkname subsf3 __subsf3
+func subsf3(a, b float32) float32
+
+//go:linkname extendsfdf2 __extendsfdf2
+func extendsfdf2(a float32) float64
+
+//go:linkname fixdfdi __fixdfdi
+func fixdfdi(a float64) int64
+
+//go:linkname fixdfsi __fixdfsi
+func fixdfsi(a float64) int32
+
+//go:linkname fixsfdi __fixsfdi
+func fixsfdi(a float32) int64
+
+//go:linkname fixsfsi __fixsfsi
+func fixsfsi(a float32) int32
+
+//go:linkname floatdidf __floatdidf
+func floatdidf(a int64) float64
+
+//go:linkname floatsidf __floatsidf
+func floatsidf(a int32) float64
+
+//go:linkname ashldi3 __ashldi3
+func ashldi3(a int64, b int32) int64
+
+//go:linkname ashrdi3 __ashrdi3
+func ashrdi3(a int64, b int32) int64
+
+//go:linkname lshrdi3 __lshrdi3
+func lshrdi3(a uint64, b int32) uint64
+
+//go:linkname bswapdi2 __bswapdi2
+func bswapdi2(a uint64) uint64
+
+//go:linkname bswapsi2 __bswapsi2
+func bswapsi2(a uint32) uint32
+
+var totalTests = 0
+var passedTests = 0
+var failedTests = 0
+
+func assertEqualInt32(name string, actual, expected int32) {
+	totalTests++
+	if actual != expected {
+		println("FAIL: %s: expected %d, got %d\n", name, expected, actual)
+		failedTests++
+	} else {
+		passedTests++
+	}
+}
+
+func assertEqualInt64(name string, actual, expected int64) {
+	totalTests++
+	if actual != expected {
+		println("FAIL: %s: expected %d, got %d\n", name, expected, actual)
+		failedTests++
+	} else {
+		passedTests++
+	}
+}
+
+func assertEqualUint32(name string, actual, expected uint32) {
+	totalTests++
+	if actual != expected {
+		println("FAIL: %s: expected %d, got %d\n", name, expected, actual)
+		failedTests++
+	} else {
+		passedTests++
+	}
+}
+
+func assertEqualUint64(name string, actual, expected uint64) {
+	totalTests++
+	if actual != expected {
+		println("FAIL: %s: expected %d, got %d\n", name, expected, actual)
+		failedTests++
+	} else {
+		passedTests++
+	}
+}
+
+func assertEqualFloat32(name string, actual, expected float32, epsilon float32) {
+	totalTests++
+	diff := actual - expected
+	if diff < 0 {
+		diff = -diff
+	}
+	if diff > epsilon {
+		println("FAIL: %s: expected %f, got %f\n", name, expected, actual)
+		failedTests++
+	} else {
+		passedTests++
+	}
+}
+
+func assertEqualFloat64(name string, actual, expected float64, epsilon float64) {
+	totalTests++
+	diff := actual - expected
+	if diff < 0 {
+		diff = -diff
+	}
+	if diff > epsilon {
+		println("FAIL: %s: expected %f, got %f\n", name, expected, actual)
+		failedTests++
+	} else {
+		passedTests++
+	}
+}
+
+func testAbsFunctions() {
+	println("Testing absolute value functions...")
+
+	// Test absvsi2
+	assertEqualInt32("absvsi2", absvsi2(12345), 12345)
+	assertEqualInt32("absvsi2", absvsi2(-12345), 12345)
+	assertEqualInt32("absvsi2", absvsi2(0), 0)
+
+	// Test absvdi2
+	assertEqualInt64("absvdi2", absvdi2(1234567890123456789), 1234567890123456789)
+	assertEqualInt64("absvdi2", absvdi2(-1234567890123456789), 1234567890123456789)
+	assertEqualInt64("absvdi2", absvdi2(0), 0)
+}
+
+func testAddFunctions() {
+	println("Testing addition functions...")
+
+	// Test addvsi3
+	assertEqualInt32("addvsi3", addvsi3(1000, 2000), 3000)
+	assertEqualInt32("addvsi3", addvsi3(-1000, -2000), -3000)
+	assertEqualInt32("addvsi3", addvsi3(0, 0), 0)
+
+	// Test addvdi3
+	assertEqualInt64("addvdi3", addvdi3(1000000000, 2000000000), 3000000000)
+	assertEqualInt64("addvdi3", addvdi3(-1000000000, -2000000000), -3000000000)
+	assertEqualInt64("addvdi3", addvdi3(0, 0), 0)
+
+	// Test adddf3
+	assertEqualFloat64("adddf3", adddf3(3.14, 2.71), 5.85, 1e-10)
+	assertEqualFloat64("adddf3", adddf3(-3.14, -2.71), -5.85, 1e-10)
+	assertEqualFloat64("adddf3", adddf3(0.0, 0.0), 0.0, 1e-10)
+
+	// Test addsf3
+	assertEqualFloat32("addsf3", addsf3(3.14, 2.71), 5.85, 1e-6)
+	assertEqualFloat32("addsf3", addsf3(-3.14, -2.71), -5.85, 1e-6)
+	assertEqualFloat32("addsf3", addsf3(0.0, 0.0), 0.0, 1e-6)
+}
+
+func testCountFunctions() {
+	println("Testing count functions...")
+
+	// Test clzsi2 - count leading zeros in 32-bit integer
+	assertEqualInt32("clzsi2", clzsi2(1), 31)         // 0x00000001 has 31 leading zeros
+	assertEqualInt32("clzsi2", clzsi2(0x80000000), 0) // 0x80000000 has 0 leading zeros
+	assertEqualInt32("clzsi2", clzsi2(0), 32)         // 0 has 32 leading zeros
+
+	// FIXME
+	// // Test clzdi2 - count leading zeros in 64-bit integer
+	// assertEqualInt32("clzdi2", clzdi2(1), 63)                 // 0x0000000000000001 has 63 leading zeros
+	// assertEqualInt32("clzdi2", clzdi2(0x8000000000000000), 0) // 0x8000000000000000 has 0 leading zeros
+	// assertEqualInt32("clzdi2", clzdi2(0), 64)                 // 0 has 64 leading zeros
+
+	// Test ctzsi2 - count trailing zeros in 32-bit integer
+	assertEqualInt32("ctzsi2", ctzsi2(1<<5), 5)        // 0x00000020 has 5 trailing zeros
+	assertEqualInt32("ctzsi2", ctzsi2(0x80000000), 31) // 0x80000000 has 31 trailing zeros
+	assertEqualInt32("ctzsi2", ctzsi2(0), 32)          // 0 has 32 trailing zeros
+
+	// Test ctzdi2 - count trailing zeros in 64-bit integer
+	assertEqualInt32("ctzdi2", ctzdi2(1<<10), 10)              // 0x0000000000000400 has 10 trailing zeros
+	assertEqualInt32("ctzdi2", ctzdi2(0x8000000000000000), 63) // 0x8000000000000000 has 63 trailing zeros
+	assertEqualInt32("ctzdi2", ctzdi2(0), 64)                  // 0 has 64 trailing zeros
+
+	// Test popcountsi2 - population count of 32-bit integer
+	assertEqualInt32("popcountsi2", popcountsi2(0xF0F0F0F0), 16) // 0xF0F0F0F0 has 16 ones
+	assertEqualInt32("popcountsi2", popcountsi2(0), 0)           // 0 has 0 ones
+	assertEqualInt32("popcountsi2", popcountsi2(0xFFFFFFFF), 32) // 0xFFFFFFFF has 32 ones
+
+	// Test popcountdi2 - population count of 64-bit integer
+	assertEqualInt32("popcountdi2", popcountdi2(0xFFFF0000FFFF0000), 32) // 0xFFFF0000FFFF0000 has 32 ones
+	assertEqualInt32("popcountdi2", popcountdi2(0), 0)                   // 0 has 0 ones
+	assertEqualInt32("popcountdi2", popcountdi2(0xFFFFFFFFFFFFFFFF), 64) // 0xFFFFFFFFFFFFFFFF has 64 ones
+}
+
+func testDivisionFunctions() {
+	println("Testing division functions...")
+
+	// Test udivdi3 - unsigned 64-bit division
+	assertEqualUint64("udivdi3", udivdi3(100, 5), 20)
+	assertEqualUint64("udivdi3", udivdi3(18446744073709551615, 3), 6148914691236517205) // uint64最大值除以3
+	assertEqualUint64("udivdi3", udivdi3(0, 123456789), 0)
+
+	// Test divdi3 - signed 64-bit division
+	assertEqualInt64("divdi3", divdi3(20, 3), 6)
+	assertEqualInt64("divdi3", divdi3(-20, 3), -6)
+	assertEqualInt64("divdi3", divdi3(20, -3), -6)
+
+	// Test divdf3 - double precision division
+	assertEqualFloat64("divdf3", divdf3(20.0, 3.0), 6.666666666666667, 1e-10)
+	assertEqualFloat64("divdf3", divdf3(-20.0, 3.0), -6.666666666666667, 1e-10)
+
+	// Test divsf3 - single precision division
+	assertEqualFloat32("divsf3", divsf3(20.0, 3.0), 6.6666665, 1e-6)
+	assertEqualFloat32("divsf3", divsf3(-20.0, 3.0), -6.6666665, 1e-6)
+}
+
+func testMultiplicationFunctions() {
+	println("Testing multiplication functions...")
+
+	// Test muldi3 - signed 64-bit multiplication
+	assertEqualInt64("muldi3", muldi3(5, 4), 20)
+	assertEqualInt64("mul极3", muldi3(-5, 4), -20)
+	assertEqualInt64("muldi3", muldi3(5, -4), -20)
+
+	// Test muldf3 - double precision multiplication
+	assertEqualFloat64("muldf3", muldf3(3.0, 4.0), 12.0, 1e-10)
+	assertEqualFloat64("muldf3", muldf3(-3.0, 4.0), -12.0, 1e-10)
+
+	// Test mulsf3 - single precision multiplication
+	assertEqualFloat32("mulsf3", mulsf3(3.0, 4.0), 12.0, 1e-6)
+	assertEqualFloat32("mulsf3", mulsf3(-3.0, 4.0), -12.0, 1e-6)
+}
+
+func testSubtractionFunctions() {
+	println("Testing subtraction functions...")
+
+	// Test subdf3 - double precision subtraction
+	assertEqualFloat64("subdf3", subdf3(5.0, 3.0), 2.0, 1e-10)
+	assertEqualFloat64("subdf3", subdf3(3.0, 5.0), -2.0, 1e-10)
+
+	// Test subsf3 - single precision subtraction
+	assertEqualFloat32("subsf3", subsf3(5.0, 3.0), 2.0, 1e-6)
+	assertEqualFloat32("subsf3", subsf3(3.0, 5.0), -2.0, 1e-6)
+}
+
+func testConversionFunctions() {
+	println("Testing conversion functions...")
+
+	// Test extendsfdf2 - single to double precision conversion
+	// FIXME
+	// assertEqualFloat64("extendsfdf2", extendsfdf2(3.14), 3.14, 1e-10)
+
+	// Test fixdfsi - double precision to int32 conversion
+	assertEqualInt32("fixdfsi", fixdfsi(123.45), 123)
+	assertEqualInt32("fixdfsi", fixdfsi(-123.45), -123)
+
+	// Test fixsfsi - single precision to int32 conversion
+	assertEqualInt32("fixsfsi", fixsfsi(123.45), 123)
+	assertEqualInt32("fixsfsi", fixsfsi(-123.45), -123)
+
+	// Test fixdfdi - double precision to int64 conversion
+	assertEqualInt64("fixdfdi", fixdfdi(123456789.123), 123456789)
+	assertEqualInt64("fixdfdi", fixdfdi(-123456789.123), -123456789)
+
+	// Test fixsfdi - single precision to int64 conversion
+	// FIXME
+	// assertEqualInt64("fixsfdi", fixsfdi(123456789.123), 123456789)
+	// assertEqualInt64("fixsfdi", fixsfdi(-123456789.123), -123456789)
+
+	// Test floatsidf - int32 to double precision conversion
+	assertEqualFloat64("floatsidf", floatsidf(42), 42.0, 1e-10)
+	assertEqualFloat64("floatsidf", floatsidf(-100), -100.0, 1e-10)
+
+	// Test floatdidf - int64 to double precision conversion
+	assertEqualFloat64("floatdidf", floatdidf(123456789), 123456789.0, 1e-10)
+	assertEqualFloat64("floatdidf", floatdidf(-123456789), -123456789.0, 1e-10)
+}
+
+func testShiftFunctions() {
+	println("Testing shift functions...")
+
+	// Test ashldi3 - arithmetic shift left
+	assertEqualInt64("ashldi3", ashldi3(1, 10), 1024)
+
+	// Test ashrdi3 - arithmetic shift right
+	assertEqualInt64("ashrdi3", ashrdi3(1024, 10), 1)
+
+	// Test lshrdi3 - logical shift right
+	assertEqualUint64("lshrdi3", lshrdi3(1024, 10), 1)
+	assertEqualUint64("lshrdi3", lshrdi3(0x8000000000000000, 63), 1) // 无符号移位
+}
+
+func testBitManipulationFunctions() {
+	println("Testing bit manipulation functions...")
+
+	// Test bswapsi2 - byte swap 32-bit integer
+	assertEqualUint32("bswapsi2", bswapsi2(0x12345678), 0x78563412)
+
+	// Test bswapdi2 - byte swap 64-bit integer
+	assertEqualUint64("bswapdi2", bswapdi2(0x1234567890ABCDEF), 0xEFCDAB9078563412)
+}
+
+func main() {
+	watchdog.Disable()
+	println("Testing Compiler-RT Builtins Functions")
+	println("=====================================")
+	testAbsFunctions()
+	testAddFunctions()
+	testCountFunctions()
+	testDivisionFunctions()
+	testMultiplicationFunctions()
+	testSubtractionFunctions()
+	testConversionFunctions()
+	testShiftFunctions()
+	testBitManipulationFunctions()
+
+	println("\n=====================================")
+	println("Test Results: %d total, %d passed, %d failed\n", totalTests, passedTests, failedTests)
+	println("=====================================")
+
+	if failedTests == 0 {
+		println("All tests PASSED!")
+	} else {
+		println("Some tests FAILED!")
+	}
+}

_embdemo/esp32/watchdog/watchdog.go

@@ -0,0 +1,16 @@
+package watchdog
+
+import (
+	"unsafe"
+	_ "unsafe"
+)
+
+//go:linkname StoreUint32 llgo.atomicStore
+func StoreUint32(addr *uint32, val uint32)
+
+func Disable() {
+	StoreUint32((*uint32)(unsafe.Pointer(uintptr(0x3ff480A4))), 0x50D83AA1)
+
+	StoreUint32((*uint32)(unsafe.Pointer(uintptr(0x3ff4808C))), 0)
+	StoreUint32((*uint32)(unsafe.Pointer(uintptr(0x3ff5f048))), 0)
+}

_embdemo/hello-esp32/main.go

@@ -1,16 +0,0 @@
-package main
-
-import "github.com/goplus/lib/c"
-
-func myprint(s *c.Char) {
-	for i := 0; i < int(c.Strlen(s)); i++ {
-		WriteByte(byte(c.Index(s, i)))
-	}
-}
-
-func main() {
-	for {
-		myprint(c.Str("hello world"))
-		sleep(1)
-	}
-}

_embdemo/hello-esp32/uart.go

@@ -1,13 +0,0 @@
-package main
-
-import (
-	_ "unsafe"
-
-	"github.com/goplus/lib/c"
-)
-
-//go:linkname WriteByte C.board_uart_write_char
-func WriteByte(b byte)
-
-//go:linkname sleep sleep
-func sleep(c c.Int)

_embdemo/write-esp32/main.go

@@ -1,31 +0,0 @@
-package main
-
-import (
-	_ "unsafe"
-
-	"github.com/goplus/lib/c"
-)
-
-//go:linkname write C.write
-func write(c.Int, *c.Char, c.SizeT) int
-
-func main() {
-	buf := c.Malloc(6)
-	c.Memset(buf, 0, 6)
-	c.Strncpy((*c.Char)(buf), c.Str("abcde"), 5)
-
-	if c.Strcmp((*c.Char)(buf), c.Str("abcde")) == 0 {
-		write(1, c.Str("pass strcmp"), 11)
-	}
-
-	if byte(c.Index((*c.Char)(buf), 0)) == 'a' {
-		write(1, c.Str("pass index"), 10)
-	}
-
-	c.Memset(buf, c.Int('A'), 5)
-	if c.Strcmp((*c.Char)(buf), c.Str("AAAAA")) == 0 {
-		write(1, c.Str("pass memeset"), 11)
-	}
-
-	write(1, (*c.Char)(buf), 5)
-}

runtime/internal/clite/stdio_baremetal.go

@@ -20,10 +20,8 @@ package c
 
 import (
 	_ "unsafe"
-
-	"github.com/goplus/lib/c"
 )
 
-var Stdin FilePtr = c.Fopen(c.Str("/dev/stdin"), c.Str("r"))
-var Stdout FilePtr = c.Fopen(c.Str("/dev/stdout"), c.Str("w"))
+var Stdin FilePtr = Fopen(Str("/dev/stdin"), Str("r"))
+var Stdout FilePtr = Fopen(Str("/dev/stdout"), Str("w"))
 var Stderr FilePtr = Stdout