forked from Minki/linux
microblaze: Optimize hw exception rutine
Remove set_vms because UMS is cleared and VMS is already setup. Optimize function calling which save one additional instruction. Signed-off-by: Michal Simek <monstr@monstr.eu>
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@ -562,10 +562,8 @@ C_ENTRY(full_exception_trap):
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nop
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mts rfsr, r0; /* Clear sticky fsr */
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nop
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addik r12, r0, full_exception
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set_vms;
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rted r12, 0;
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nop;
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rted r0, full_exception
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nop
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/*
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* Unaligned data trap.
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@ -599,11 +597,8 @@ C_ENTRY(unaligned_data_trap):
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nop
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mfs r4, rear /* EAR */
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nop
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rtbd r0, _unaligned_data_exception
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addik r7, r1, PTO /* parameter struct pt_regs * regs */
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addik r12, r0, _unaligned_data_exception
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set_vms;
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rtbd r12, 0; /* interrupts enabled */
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nop;
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/*
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* Page fault traps.
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@ -635,10 +630,8 @@ C_ENTRY(page_fault_data_trap):
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nop
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mfs r7, resr /* parameter unsigned long error_code */
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nop
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addik r12, r0, do_page_fault
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set_vms;
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rted r12, 0; /* interrupts enabled */
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nop;
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rted r0, do_page_fault
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nop
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C_ENTRY(page_fault_instr_trap):
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SAVE_STATE /* Save registers.*/
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@ -650,11 +643,8 @@ C_ENTRY(page_fault_instr_trap):
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addik r5, r1, PTO /* parameter struct pt_regs * regs */
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mfs r6, rear /* parameter unsigned long address */
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nop
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rted r0, do_page_fault
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ori r7, r0, 0 /* parameter unsigned long error_code */
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addik r12, r0, do_page_fault
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set_vms;
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rted r12, 0; /* interrupts enabled */
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nop;
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/* Entry point used to return from an exception. */
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C_ENTRY(ret_from_exc):
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