forked from KolibriOS/kolibrios
136 lines
2.2 KiB
C
136 lines
2.2 KiB
C
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typedef struct
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{
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unsigned handle;
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unsigned io_code;
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void *input;
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int inp_size;
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void *output;
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int out_size;
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}ioctl_t;
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#define ERR_OK 0
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#define ERR_PARAM -1
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#define ERR_NOMEM -2
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///////////////////////////////////////////////////////////////////////////////
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#ifdef KOLIBRI_PE
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#define LFB_BASE 0xDF000000
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#else
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#define LFB_BASE 0xFE000000
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#endif
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void usleep(u32_t delay);
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static int __attribute__ ((always_inline))
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abs (int i)
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{
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return i < 0 ? -i : i;
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};
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extern inline u32_t get_service(char *name)
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{
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u32_t retval;
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asm("int $0x40"
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:"=a"(retval)
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:"a"(68),"b"(16),"c"(name));
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return retval;
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};
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extern inline u32_t load_service(char *name)
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{
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u32_t retval;
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asm("int $0x40"
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:"=a"(retval)
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:"a"(68),"b"(21),"c"(name));
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return retval;
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};
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extern inline int call_service(ioctl_t *io)
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{
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int retval;
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asm("int $0x40"
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:"=a"(retval)
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:"a"(68),"b"(17),"c"(io)
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:"memory");
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return retval;
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};
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extern inline void* UserAlloc(size_t size)
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{
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void *retval;
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asm("int $0x40"
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:"=a"(retval)
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:"a"(68),"b"(12),"c"(size)
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:"memory");
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return retval;
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}
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extern inline void UserFree(void *mem)
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{
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__asm__ __volatile__(
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"int $0x40"
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::"a"(68),"b"(13),"c"(mem)
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:"memory");
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}
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extern inline int GetScreenSize()
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{
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int retval;
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__asm__ __volatile__(
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"int $0x40"
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:"=a"(retval)
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:"a"(61), "b"(1));
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return retval;
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}
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extern inline int GetScreenBpp()
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{
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int retval;
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__asm__ __volatile__(
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"int $0x40"
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:"=a"(retval)
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:"a"(61), "b"(2));
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return retval;
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}
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extern inline int GetScreenPitch()
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{
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int retval;
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__asm__ __volatile__(
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"int $0x40"
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:"=a"(retval)
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:"a"(61), "b"(3));
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return retval;
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}
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extern inline int test_mmx()
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{
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int retval;
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__asm__ __volatile__(
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"cpuid\n\t"
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"testl $23, %%edx\n\t"
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"setnzb %%al\n\t"
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"movzx %%al, %%eax"
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:"=a"(retval)
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:"a"(0)
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:"ebx","ecx","edx");
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return retval;
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}
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