[MIPS] pg-r4k.c: Dump the generated code

Dump the generated code for clear/copy page calls like it is done for TLB
fault handlers.  Useful for debugging.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/mm/pg-r4k.c b/arch/mips/mm/pg-r4k.c
index e47e9e9486bf962cef8e44aa4d265a875c6f94d0..c0294541d295dcfbbb4eb5be3c013a4ddec63a68 100644 (file)
--- a/arch/mips/mm/pg-r4k.c
+++ b/arch/mips/mm/pg-r4k.c
@@ -347,6 +347,7 @@ void __init build_clear_page(void)
 {
        unsigned int loop_start;
        unsigned long off;
+       int i;
 
        epc = (unsigned int *) &clear_page_array;
        instruction_pending = 0;
@@ -434,12 +435,22 @@ dest = label();
        build_jr_ra();
 
        BUG_ON(epc > clear_page_array + ARRAY_SIZE(clear_page_array));
+
+       pr_info("Synthesized clear page handler (%u instructions).\n",
+               (unsigned int)(epc - clear_page_array));
+
+       pr_debug("\t.set push\n");
+       pr_debug("\t.set noreorder\n");
+       for (i = 0; i < (epc - clear_page_array); i++)
+               pr_debug("\t.word 0x%08x\n", clear_page_array[i]);
+       pr_debug("\t.set pop\n");
 }
 
 void __init build_copy_page(void)
 {
        unsigned int loop_start;
        unsigned long off;
+       int i;
 
        epc = (unsigned int *) &copy_page_array;
        store_offset = load_offset = 0;
@@ -515,4 +526,13 @@ dest = label();
        build_jr_ra();
 
        BUG_ON(epc > copy_page_array + ARRAY_SIZE(copy_page_array));
+
+       pr_info("Synthesized copy page handler (%u instructions).\n",
+               (unsigned int)(epc - copy_page_array));
+
+       pr_debug("\t.set push\n");
+       pr_debug("\t.set noreorder\n");
+       for (i = 0; i < (epc - copy_page_array); i++)
+               pr_debug("\t.word 0x%08x\n", copy_page_array[i]);
+       pr_debug("\t.set pop\n");
 }