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Luma3DS-3GX/sysmodules/pm/source/util.h
2019-03-29 00:32:45 +01:00

82 lines
1.9 KiB
C

#pragma once
#include <3ds/types.h>
#include <3ds/result.h>
#include <3ds/os.h>
#define REG32(reg) (*(vu32 *)reg)
#define REG64(reg) (*(vu64 *)reg)
#define NSTID REG64(0x1FF80008)
#define SYSCOREVER REG32(0x1FF80010)
#define APPMEMTYPE REG32(0x1FF80030)
#define APPMEMALLOC REG32(0x1FF80040)
#define SYSMEMALLOC REG32(0x1FF80044)
#define IS_N3DS (*(vu32 *)0x1FF80030 >= 6) // APPMEMTYPE. Hacky but doesn't use APT
#define N3DS_TID_MASK 0xF0000000ULL
#define N3DS_TID_BIT 0x20000000ULL
#define TRY(expr) if(R_FAILED(res = (expr))) return res;
#define TRYG(expr, label) if(R_FAILED(res = (expr))) goto label;
#define XDS
#ifdef XDS
static void hexItoa(u64 number, char *out, u32 digits, bool uppercase)
{
const char hexDigits[] = "0123456789ABCDEF";
const char hexDigitsLowercase[] = "0123456789abcdef";
u32 i = 0;
while(number > 0)
{
out[digits - 1 - i++] = uppercase ? hexDigits[number & 0xF] : hexDigitsLowercase[number & 0xF];
number >>= 4;
}
while(i < digits) out[digits - 1 - i++] = '0';
}
#endif
static void __attribute__((noinline)) panic(Result res)
{
#ifndef XDS
(void)res;
__builtin_trap();
#else
char buf[32] = {0};
hexItoa(res, buf, 8, false);
svcOutputDebugString(buf, 8);
svcBreak(USERBREAK_PANIC);
#endif
}
static inline Result assertSuccess(Result res)
{
if(R_FAILED(res)) {
panic(res);
}
return res;
}
static inline Result notifySubscribers(u32 notificationId)
{
Result res = srvPublishToSubscriber(notificationId, 0);
if (res == (Result)0xD8606408) {
panic(res);
}
return res;
}
static inline s64 nsToTicks(s64 ns)
{
return ns * SYSCLOCK_ARM11 / (1000 * 1000 * 1000LL);
}
static inline s64 ticksToNs(s64 ticks)
{
return 1000 * 1000 * 1000LL * ticks / SYSCLOCK_ARM11;
}