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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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99
arch/x86/boot/cpu.c Normal file
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/* -*- linux-c -*- ------------------------------------------------------- *
*
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright 2007-2008 rPath, Inc. - All Rights Reserved
*
* This file is part of the Linux kernel, and is made available under
* the terms of the GNU General Public License version 2.
*
* ----------------------------------------------------------------------- */
/*
* arch/x86/boot/cpu.c
*
* Check for obligatory CPU features and abort if the features are not
* present.
*/
#include "boot.h"
#ifdef CONFIG_X86_FEATURE_NAMES
#include "cpustr.h"
#endif
static char *cpu_name(int level)
{
static char buf[6];
if (level == 64) {
return "x86-64";
} else {
if (level == 15)
level = 6;
sprintf(buf, "i%d86", level);
return buf;
}
}
static void show_cap_strs(u32 *err_flags)
{
int i, j;
#ifdef CONFIG_X86_FEATURE_NAMES
const unsigned char *msg_strs = (const unsigned char *)x86_cap_strs;
for (i = 0; i < NCAPINTS; i++) {
u32 e = err_flags[i];
for (j = 0; j < 32; j++) {
if (msg_strs[0] < i ||
(msg_strs[0] == i && msg_strs[1] < j)) {
/* Skip to the next string */
msg_strs += 2;
while (*msg_strs++)
;
}
if (e & 1) {
if (msg_strs[0] == i &&
msg_strs[1] == j &&
msg_strs[2])
printf("%s ", msg_strs+2);
else
printf("%d:%d ", i, j);
}
e >>= 1;
}
}
#else
for (i = 0; i < NCAPINTS; i++) {
u32 e = err_flags[i];
for (j = 0; j < 32; j++) {
if (e & 1)
printf("%d:%d ", i, j);
e >>= 1;
}
}
#endif
}
int validate_cpu(void)
{
u32 *err_flags;
int cpu_level, req_level;
check_cpu(&cpu_level, &req_level, &err_flags);
if (cpu_level < req_level) {
printf("This kernel requires an %s CPU, ",
cpu_name(req_level));
printf("but only detected an %s CPU.\n",
cpu_name(cpu_level));
return -1;
}
if (err_flags) {
puts("This kernel requires the following features "
"not present on the CPU:\n");
show_cap_strs(err_flags);
putchar('\n');
return -1;
} else {
return 0;
}
}