Chu chuu, using the bus for everything now!

Well, I know: bus != train. But I like trains. So I don't care.

Go away!

1 files changed, 0 insertions, 80 deletions

diff --git a/libs/libc/random.c b/libs/libc/random.c
deleted file mode 100644
index 268a21f..0000000
--- a/libs/libc/random.c
+++ /dev/null
@@ -1,80 +0,0 @@
-// MIT License, Copyright (c) 2020 Marvin Borner
-
-#include <def.h>
-#include <mem.h>
-#include <rand.h>
-
-#ifdef KERNEL
-#include <cpu.h>
-#endif
-
-static u32 g_seed = 1;
-
-void srand(u32 seed)
-{
-	g_seed = seed;
-}
-
-static u32 rand_default(void)
-{
-	g_seed = g_seed * 1103515245 + 12345;
-	return (g_seed >> 16) & 0x7FFF;
-}
-
-static u32 rand_once(void)
-{
-#ifdef KERNEL
-	u32 val = 0;
-	if (cpu_extended_features.ebx & CPUID_EXT_FEAT_EBX_RDSEED) {
-		__asm__ volatile("1:\n"
-				 "rdseed %0\n"
-				 "jnc 1b\n"
-				 : "=r"(val));
-	} else if (cpu_features.ecx & CPUID_FEAT_ECX_RDRND) {
-		__asm__ volatile("1:\n"
-				 "rdrand %0\n"
-				 "jnc 1b\n"
-				 : "=r"(val));
-	} else {
-		val = rand_default();
-	}
-
-	return val;
-#else
-	return rand_default();
-#endif
-}
-
-u32 rand(void)
-{
-	u32 ret = 0;
-	ret |= (rand_once() & (0xffu << 0));
-	ret |= (rand_once() & (0xffu << 8));
-	ret |= (rand_once() & (0xffu << 16));
-	ret |= (rand_once() & (0xffu << 24));
-	return ret;
-}
-
-void rand_fill(void *buf, u32 size)
-{
-	for (u32 i = 0; i < size; i++)
-		((u8 *)buf)[i] = rand_once() & 0xff;
-}
-
-char *randstr(u32 size)
-{
-	if (!size)
-		return NULL;
-
-	char *buf = malloc(size + 1);
-	const char charset[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
-
-	size--;
-	for (u32 i = 0; i < size; i++) {
-		int key = rand() % (sizeof(charset) - 1);
-		buf[i] = charset[key];
-	}
-	buf[size] = '\0';
-
-	return buf;
-}