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| author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2004-04-21 10:43:04 +0000 |
|---|---|---|
| committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2004-04-21 10:43:04 +0000 |
| commit | 6128a4aa5e791ed4e0a655bfd346a52d92da7883 (patch) | |
| tree | af53ca3f67ce405b6fbc6c98399c8e0c87e01a9e /c/src/lib/libbsp/powerpc/shared/irq/i8259.c | |
| parent | 2004-04-20 Ralf Corsepius <ralf_corsepius@rtems.org> (diff) | |
| download | rtems-6128a4aa5e791ed4e0a655bfd346a52d92da7883.tar.bz2 | |
Remove stray white spaces.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/shared/irq/i8259.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/shared/irq/i8259.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/c/src/lib/libbsp/powerpc/shared/irq/i8259.c b/c/src/lib/libbsp/powerpc/shared/irq/i8259.c index 0261d892f3..806a7eb19b 100644 --- a/c/src/lib/libbsp/powerpc/shared/irq/i8259.c +++ b/c/src/lib/libbsp/powerpc/shared/irq/i8259.c @@ -11,7 +11,7 @@ * * $Id$ */ - + #include <bsp.h> #include <bsp/irq.h> @@ -29,7 +29,7 @@ volatile rtems_i8259_masks i8259s_cache = 0xfffb; | Description: Mask IRQ line in appropriate PIC chip. | Global Variables: i8259s_cache | Arguments: vector_offset - number of IRQ line to mask. -| Returns: Nothing. +| Returns: Nothing. +--------------------------------------------------------------------------*/ int BSP_irq_disable_at_i8259s (const rtems_irq_symbolic_name irqLine) { @@ -40,12 +40,12 @@ int BSP_irq_disable_at_i8259s (const rtems_irq_symbolic_name irqLine) ((int)irqLine > BSP_ISA_IRQ_MAX_OFFSET) ) return 1; - + _CPU_ISR_Disable(level); - + mask = 1 << irqLine; i8259s_cache |= mask; - + if (irqLine < 8) { outport_byte(PIC_MASTER_IMR_IO_PORT, i8259s_cache & 0xff); @@ -57,14 +57,14 @@ int BSP_irq_disable_at_i8259s (const rtems_irq_symbolic_name irqLine) _CPU_ISR_Enable (level); return 0; -} +} /*-------------------------------------------------------------------------+ | Function: BSP_irq_enable_at_i8259s | Description: Unmask IRQ line in appropriate PIC chip. | Global Variables: i8259s_cache | Arguments: irqLine - number of IRQ line to mask. -| Returns: Nothing. +| Returns: Nothing. +--------------------------------------------------------------------------*/ int BSP_irq_enable_at_i8259s (const rtems_irq_symbolic_name irqLine) { @@ -77,10 +77,10 @@ int BSP_irq_enable_at_i8259s (const rtems_irq_symbolic_name irqLine) return 1; _CPU_ISR_Disable(level); - + mask = ~(1 << irqLine); i8259s_cache &= mask; - + if (irqLine < 8) { outport_byte(PIC_MASTER_IMR_IO_PORT, i8259s_cache & 0xff); @@ -106,14 +106,14 @@ int BSP_irq_enabled_at_i8259s (const rtems_irq_symbolic_name irqLine) mask = (1 << irqLine); return (~(i8259s_cache & mask)); } - + /*-------------------------------------------------------------------------+ | Function: BSP_irq_ack_at_i8259s | Description: Signal generic End Of Interrupt (EOI) to appropriate PIC. | Global Variables: None. | Arguments: irqLine - number of IRQ line to acknowledge. -| Returns: Nothing. +| Returns: Nothing. +--------------------------------------------------------------------------*/ int BSP_irq_ack_at_i8259s (const rtems_irq_symbolic_name irqLine) { @@ -147,5 +147,5 @@ void BSP_i8259s_init(void) outport_byte(PIC_SLAVE_IMR_IO_PORT, 0x02);/* edge triggered, Cascade (slave) on IRQ2 */ outport_byte(PIC_SLAVE_IMR_IO_PORT, 0x01); /* Select 8086 mode */ outport_byte(PIC_SLAVE_IMR_IO_PORT, 0xFF); /* Mask all */ - + } |