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microblaze: Do not use r0_ram space for hw exception debugging
Remove hw exception counting space from r0_ram. Use special exception_debug_table poll for exception statistic. Signed-off-by: Michal Simek <monstr@monstr.eu>
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1 changed files with 16 additions and 4 deletions
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@ -77,6 +77,8 @@
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#include <asm/signal.h>
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#include <asm/signal.h>
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#include <asm/asm-offsets.h>
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#include <asm/asm-offsets.h>
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#undef DEBUG
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/* Helpful Macros */
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/* Helpful Macros */
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#define NUM_TO_REG(num) r ## num
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#define NUM_TO_REG(num) r ## num
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@ -228,6 +230,16 @@
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/* wrappers to restore state before coming to entry.S */
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/* wrappers to restore state before coming to entry.S */
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#ifdef CONFIG_MMU
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#ifdef CONFIG_MMU
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#ifdef DEBUG
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/* Create space for exception counting. */
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.section .data
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.global exception_debug_table
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.align 4
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exception_debug_table:
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/* Look at exception vector table. There is 32 exceptions * word size */
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.space (32 * 4)
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#endif /* DEBUG */
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.section .rodata
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.section .rodata
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.align 4
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.align 4
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_MB_HW_ExceptionVectorTable:
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_MB_HW_ExceptionVectorTable:
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@ -329,12 +341,12 @@ not_in_delay_slot:
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#ifdef DEBUG
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#ifdef DEBUG
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/* counting which exception happen */
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/* counting which exception happen */
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lwi r5, r0, 0x200 + TOPHYS(r0_ram)
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lwi r5, r0, TOPHYS(exception_debug_table)
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addi r5, r5, 1
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addi r5, r5, 1
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swi r5, r0, 0x200 + TOPHYS(r0_ram)
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swi r5, r0, TOPHYS(exception_debug_table)
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lwi r5, r6, 0x200 + TOPHYS(r0_ram)
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lwi r5, r6, TOPHYS(exception_debug_table)
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addi r5, r5, 1
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addi r5, r5, 1
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swi r5, r6, 0x200 + TOPHYS(r0_ram)
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swi r5, r6, TOPHYS(exception_debug_table)
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#endif
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#endif
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/* end */
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/* end */
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/* Load the HW Exception vector */
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/* Load the HW Exception vector */
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