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Refactor

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This commit is contained in:
Baptiste Wicht 2016-07-02 13:33:17 +02:00
parent 20dee4d16c
commit 1286e75791
2 changed files with 30 additions and 36 deletions
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34
kernel/include/kernel_utils.hpp
View File

@ -10,11 +10,37 @@
#include <types.hpp>
uint8_t in_byte(uint16_t _port);
void out_byte(uint16_t _port, uint8_t _data);
inline uint8_t in_byte(uint16_t _port){
uint8_t rv;
uint16_t in_word(uint16_t _port);
void out_word(uint16_t _port, uint16_t _data);
asm volatile ("in %[data], %[port]"
: [data] "=a" (rv)
: [port] "dN" (_port));
return rv;
}
inline uint16_t in_word(uint16_t _port){
uint16_t rv;
asm volatile ("in %[data], %[port]"
: [data] "=a" (rv)
: [port] "dN" (_port));
return rv;
}
inline void out_byte (uint16_t _port, uint8_t _data){
asm volatile ("out %[port], %[data]"
: /* No outputs */
: [port] "dN" (_port), [data] "a" (_data));
}
inline void out_word(uint16_t _port, uint16_t _data){
asm volatile ("out %[port], %[data]"
: /* No outputs */
: [port] "dN" (_port), [data] "a" (_data));
}
void print_stack(const char* msg, size_t check);
#define SHOW_STACK(M) { size_t check = 0; asm volatile("mov %0, rsp;" : "=r" (check)); print_stack(((M)), check); }

32
kernel/src/kernel_utils.cpp
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@ -8,38 +8,6 @@
#include "kernel_utils.hpp"
#include "console.hpp"
uint8_t in_byte(uint16_t _port){
uint8_t rv;
__asm__ __volatile__ ("in %[data], %[port]"
: [data] "=a" (rv)
: [port] "dN" (_port));
return rv;
}
uint16_t in_word(uint16_t _port){
uint16_t rv;
__asm__ __volatile__ ("in %[data], %[port]"
: [data] "=a" (rv)
: [port] "dN" (_port));
return rv;
}
void out_byte (uint16_t _port, uint8_t _data){
__asm__ __volatile__ ("out %[port], %[data]"
: /* No outputs */
: [port] "dN" (_port), [data] "a" (_data));
}
void out_word(uint16_t _port, uint16_t _data){
__asm__ __volatile__ ("out %[port], %[data]"
: /* No outputs */
: [port] "dN" (_port), [data] "a" (_data));
}
void print_stack(const char* s, size_t check){
printf("%s stack: %u (16B-a:%u) \n", s, check, static_cast<size_t>(check % 16));
}