add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/kernel/debug/kdb/kdb_bp.c
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@@ -307,6 +307,15 @@
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 		return KDB_BADINT;
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 	/*
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+	 * This check is redundant (since the breakpoint machinery should
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+	 * be doing the same check during kdb_bp_install) but gives the
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+	 * user immediate feedback.
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+	 */
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+	diag = kgdb_validate_break_address(template.bp_addr);
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+	if (diag)
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+		return diag;
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+
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+	/*
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 	 * Find an empty bp structure to allocate
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 	 */
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 	for (bpno = 0, bp = kdb_breakpoints; bpno < KDB_MAXBPT; bpno++, bp++) {
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@@ -412,7 +421,6 @@
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 		 * assume that the breakpoint number is desired.
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 		 */
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 		if (addr < KDB_MAXBPT) {
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-			bp = &kdb_breakpoints[addr];
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 			lowbp = highbp = addr;
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 			highbp++;
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 		} else {