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| author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2004-02-03 06:29:09 +0000 |
|---|---|---|
| committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2004-02-03 06:29:09 +0000 |
| commit | 602448c0561d9bdce163dc5cb8f30614ff867011 (patch) | |
| tree | ff117b3082a6186af763219c6200a5bcd9ac06d7 | |
| parent | 2004-02-03 Ralf Corsepius <corsepiu@faw.uni-ulm.de> (diff) | |
| download | rtems-602448c0561d9bdce163dc5cb8f30614ff867011.tar.bz2 | |
2004-02-03 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* irq/irq_asm.S: Convert #..-comments to /*..*/ comments.
| -rw-r--r-- | c/src/lib/libbsp/i386/shared/ChangeLog | 4 | ||||
| -rw-r--r-- | c/src/lib/libbsp/i386/shared/irq/irq_asm.S | 44 |
2 files changed, 26 insertions, 22 deletions
diff --git a/c/src/lib/libbsp/i386/shared/ChangeLog b/c/src/lib/libbsp/i386/shared/ChangeLog index 6bbd3fa370..f919225209 100644 --- a/c/src/lib/libbsp/i386/shared/ChangeLog +++ b/c/src/lib/libbsp/i386/shared/ChangeLog @@ -1,3 +1,7 @@ +2004-02-03 Ralf Corsepius <corsepiu@faw.uni-ulm.de> + + * irq/irq_asm.S: Convert #..-comments to /*..*/ comments. + 2004-01-21 Ralf Corsepius <corsepiu@faw.uni-ulm.de> * Makefile.am: Add PREINSTALL_DIRS. diff --git a/c/src/lib/libbsp/i386/shared/irq/irq_asm.S b/c/src/lib/libbsp/i386/shared/irq/irq_asm.S index 0a5d253cbe..c460f61efb 100644 --- a/c/src/lib/libbsp/i386/shared/irq/irq_asm.S +++ b/c/src/lib/libbsp/i386/shared/irq/irq_asm.S @@ -49,8 +49,8 @@ SYM (_ISR_Handler): * Now switch stacks if necessary */ - movw SYM (i8259s_cache), ax # move current i8259 interrupt mask in ax - pushl eax # push it on the stack + movw SYM (i8259s_cache), ax /* move current i8259 interrupt mask in ax */ + pushl eax /* push it on the stack */ /* * compute the new PIC mask: * @@ -80,9 +80,9 @@ SYM (_ISR_Handler): .check_stack_switch: pushl ebp - movl esp, ebp # ebp = previous stack pointer - cmpl $0, SYM (_ISR_Nest_level) # is this the outermost interrupt? - jne nested # No, then continue + movl esp, ebp /* ebp = previous stack pointer */ + cmpl $0, SYM (_ISR_Nest_level) /* is this the outermost interrupt? */ + jne nested /* No, then continue */ movl SYM (_CPU_Interrupt_stack_high), esp /* @@ -93,8 +93,8 @@ SYM (_ISR_Handler): */ nested: - incl SYM (_ISR_Nest_level) # one nest level deeper - incl SYM (_Thread_Dispatch_disable_level) # disable multitasking + incl SYM (_ISR_Nest_level) /* one nest level deeper */ + incl SYM (_Thread_Dispatch_disable_level) /* disable multitasking */ /* * re-enable interrupts at processor level as the current * interrupt source is now masked via i8259 @@ -106,15 +106,15 @@ nested: * so we must save it again. */ - pushl ecx # push vector number + pushl ecx /* push vector number */ mov SYM (current_irq) (,ecx,4),eax - # eax = Users handler - call *eax # invoke user ISR + /* eax = Users handler */ + call *eax /* invoke user ISR */ /* * disable interrupts_again */ cli - popl ecx # ecx = vector number + popl ecx /* ecx = vector number */ /* * restore stack */ @@ -131,23 +131,23 @@ nested: outb $PIC_SLAVE_IMR_IO_PORT - decl SYM (_ISR_Nest_level) # one less ISR nest level - # If interrupts are nested, - # then dispatching is disabled + decl SYM (_ISR_Nest_level) /* one less ISR nest level */ + /* If interrupts are nested, */ + /* then dispatching is disabled */ decl SYM (_Thread_Dispatch_disable_level) - # unnest multitasking - # Is dispatch disabled - jne .exit # Yes, then exit + /* unnest multitasking */ + /* Is dispatch disabled */ + jne .exit /* Yes, then exit */ cmpl $0, SYM (_Context_Switch_necessary) - # Is task switch necessary? - jne .schedule # Yes, then call the scheduler + /* Is task switch necessary? */ + jne .schedule /* Yes, then call the scheduler */ cmpl $0, SYM (_ISR_Signals_to_thread_executing) - # signals sent to Run_thread - # while in interrupt handler? - je .exit # No, exit + /* signals sent to Run_thread */ + /* while in interrupt handler? */ + je .exit /* No, exit */ .bframe: |