8cd2a462b9
There is no reason to specialize this per chip as it is only ever used for JavaScript. Not only that, it is causing confusion and is yet another quirk to learn when porting the runtime to a new microcontroller.
82 строки
1,3 КиБ
Go
82 строки
1,3 КиБ
Go
// +build arm7tdmi
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package runtime
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import (
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_ "runtime/interrupt" // make sure the interrupt handler is defined
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"unsafe"
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)
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type timeUnit int64
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func putchar(c byte) {
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// dummy, TODO
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}
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//go:extern _sbss
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var _sbss [0]byte
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//go:extern _ebss
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var _ebss [0]byte
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//go:extern _sdata
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var _sdata [0]byte
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//go:extern _sidata
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var _sidata [0]byte
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//go:extern _edata
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var _edata [0]byte
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func postinit() {}
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// Entry point for Go. Initialize all packages and call main.main().
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//export main
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func main() {
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// Initialize .data and .bss sections.
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preinit()
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// Run program.
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run()
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}
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func preinit() {
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// Initialize .bss: zero-initialized global variables.
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ptr := unsafe.Pointer(&_sbss)
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for ptr != unsafe.Pointer(&_ebss) {
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*(*uint32)(ptr) = 0
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ptr = unsafe.Pointer(uintptr(ptr) + 4)
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}
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// Initialize .data: global variables initialized from flash.
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src := unsafe.Pointer(&_sidata)
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dst := unsafe.Pointer(&_sdata)
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for dst != unsafe.Pointer(&_edata) {
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*(*uint32)(dst) = *(*uint32)(src)
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dst = unsafe.Pointer(uintptr(dst) + 4)
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src = unsafe.Pointer(uintptr(src) + 4)
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}
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}
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func ticksToNanoseconds(ticks timeUnit) int64 {
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return int64(ticks)
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}
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func nanosecondsToTicks(ns int64) timeUnit {
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return timeUnit(ns)
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}
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func ticks() timeUnit {
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// TODO
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return 0
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}
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func sleepTicks(d timeUnit) {
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// TODO
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}
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func abort() {
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// TODO
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for {
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}
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}
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