metalsvm/arch/x86/include/asm/processor.h
stefan 7294c47c98 - add code to detect pci interfaces
- code restructuring
- remove some typos in debug messages



git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@42 315a16e6-25f9-4109-90ae-ca3045a26c18
2010-08-05 11:53:02 +00:00

61 lines
1.4 KiB
C

/*
* Copyright 2010 Stefan Lankes, Chair for Operating Systems,
* RWTH Aachen University
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of MetalSVM.
*/
#ifndef __ARCH_PROCESSOR_H__
#define __ARCH_PROCESSOR_H__
#include <metalsvm/stddef.h>
#ifdef CONFIG_PCI
#include <asm/pci.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
static inline uint64_t rdtsc()
{
uint64_t x;
asm volatile ("rdtsc" : "=A" (x));
return x;
}
#define get_return_value(ret) asm volatile ("movl %%eax, %0" : "=r"(ret))
#define NOP1 asm volatile ("nop")
#define NOP2 asm volatile ("nop;nop")
#define NOP4 asm volatile ("nop;nop;nop;nop")
#define NOP8 asm volatile ("nop;nop;nop;nop;nop;nop;nop;nop")
void gdt_install(void);
inline static int system_init(void)
{
gdt_install();
#ifdef CONFIG_PCI
pci_init();
#endif
return 0;
}
#ifdef __cplusplus
}
#endif
#endif