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30 lines
605 B
30 lines
605 B
20 years ago
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/* eCos HAL interface header */
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#ifndef SH_BIOS_H
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#define SH_BIOS_H
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#define HAL_IF_VECTOR_TABLE 0xfffe20
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#define CALL_IF_SET_CONSOLE_COMM 13
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#define QUERY_CURRENT -1
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#define MANGLER -3
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/* Checking for GDB stub active */
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/* suggestion Jonathan Larmour */
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static int sh_bios_in_gdb_mode(void)
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{
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static int gdb_active = -1;
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if (gdb_active == -1) {
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int (*set_console_comm)(int);
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set_console_comm = ((void **)HAL_IF_VECTOR_TABLE)[CALL_IF_SET_CONSOLE_COMM];
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gdb_active = (set_console_comm(QUERY_CURRENT) == MANGLER);
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}
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return gdb_active;
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}
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static void sh_bios_gdb_detach(void)
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{
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}
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#endif
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