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code is a mess currently. I check it in nevertheless since it works a little better than before. Will be cleaned up later.

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This commit is contained in:
Markus Fröschle
2013-05-06 20:48:39 +00:00
parent 397e4d0bfb
commit 4d1da19b09
4 changed files with 77 additions and 41 deletions
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17
include/xhdi_sd.h
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@@ -86,13 +86,23 @@ typedef void* (*xhdi_call_fun)(int xhdi_fun, ...);
struct XHDICALL_args
{
uint16_t opcode;
unsigned int opcode;
};
extern unsigned long xhdi_call(struct XHDICALL_args stack);
extern xhdi_call_fun xhdi_sd_install(xhdi_call_fun old_vector) __attribute__((__interrupt__));
/*
* begin of XHDI calls. The following is a little tricky: since those functions can be called by code compiled with -mshort as
* well as from "normal" code, "-mshort"-code needs to be tricked to pass 16-bit values as 32-bit integers.
*/
#if __INT_MAX__ == 32767
#define uint16_t unsigned long
#define uint32_t unsigned long
#warning -mshort trick activated
#endif /* _MSHORT_ */
extern uint16_t xhdi_version(void); /* XHDI 0 */
extern uint32_t xhdi_inquire_target(uint16_t major, uint16_t minor, uint32_t *block_size, uint32_t *flags,
@@ -139,4 +149,9 @@ extern uint32_t xhdi_last_access(uint16_t major, uint16_t minor, uint32_t *ms);
extern uint32_t xhdi_reaccess(uint16_t major, uint16_t minor); /* XHDI 19 */
/* disarm stack trick */
#ifdef uint16_t
#undef uint16_t
#undef uint32_t
#endif /* uint16_t */
#endif /* _XHDI_SD_H_ */