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Rev 4921 Rev 6536
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#include
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#include
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#include "io.h"
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#include
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#include "io.h"
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extern __io_handle __io_tab[64];
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extern __io_handle __io_tab[64];
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static int fake_io(const char *path, const void *buff,
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static int fake_io(const char *path, const void *buff,
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           size_t offset, size_t count, size_t *done)
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           size_t offset, size_t count, size_t *done)
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{
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{
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    *done = 0;
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    *done = 0;
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    return 10;
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    return 10;
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};
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};
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//static int fake_io_read(const char *path, void *buff,
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//           size_t offset, size_t count, size_t *done) __attribute__ ((alias("fake_io")));
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static int fake_io_read(const char *path, void *buff,
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static int fake_io_read(const char *path, void *buff,
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           size_t offset, size_t count, size_t *done) __attribute__ ((alias("fake_io")));
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           size_t offset, size_t count, size_t *done)
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{
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    printf("%s path:%s buf:%p offset:%d count:%d\n",
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            __FUNCTION__, path, buff, offset, count);
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}
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static int fake_io_write(const char *path, const void *buff,
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static int fake_io_write(const char *path, const void *buff,
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           size_t offset, size_t count, size_t *done) __attribute__ ((alias("fake_io")));
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           size_t offset, size_t count, size_t *done) __attribute__ ((alias("fake_io")));
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static inline void debug_out(const char val)
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static inline void debug_out(const char val)
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{
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{
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    __asm__ __volatile__(
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    __asm__ __volatile__(
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    "int $0x40 \n\t"
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    "int $0x40 \n\t"
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    ::"a"(63), "b"(1),"c"(val));
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    ::"a"(63), "b"(1),"c"(val));
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}
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}
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static int debugwrite(const char *path, const void *buff,
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static int debugwrite(const char *path, const void *buff,
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                 size_t offset, size_t count, size_t *writes)
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                 size_t offset, size_t count, size_t *writes)
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{
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{
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    int ret = count;
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    int ret = count;
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    const char *p = buff;
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    const char *p = buff;
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    while (count--)
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    while (count--)
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    {
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    {
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        debug_out(*p++);
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        debug_out(*p++);
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    };
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    };
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    *writes = ret;
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    *writes = ret;
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    return ret;
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    return ret;
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};
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};
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void init_stdio()
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void init_stdio()
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{
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{
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    __io_handle *ioh;
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    __io_handle *ioh;
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    ioh = &__io_tab[__io_alloc()];
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    ioh = &__io_tab[__io_alloc()];
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    ioh->mode  = _READ|_ISTTY;
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    ioh->mode  = _READ|_ISTTY;
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    ioh->read  = &fake_io_read;
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    ioh->read  = &fake_io_read;
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    ioh->write = &fake_io_write;
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    ioh->write = &fake_io_write;
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    ioh = &__io_tab[__io_alloc()];
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    ioh = &__io_tab[__io_alloc()];
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    ioh->mode  = _WRITE|_ISTTY;
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    ioh->mode  = _WRITE|_ISTTY;
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    ioh->read  = &fake_io_read;
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    ioh->read  = &fake_io_read;
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    ioh->write = &debugwrite;
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    ioh->write = &debugwrite;
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    ioh = &__io_tab[__io_alloc()];
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    ioh = &__io_tab[__io_alloc()];
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    ioh->mode  = _WRITE|_ISTTY;
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    ioh->mode  = _WRITE|_ISTTY;
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    ioh->read  = &fake_io_read;
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    ioh->read  = &fake_io_read;
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    ioh->write = &debugwrite;
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    ioh->write = &debugwrite;
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}
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}