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2011-02-15 Jennifer Averett

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* libchip/serial/ns16550.c, libchip/serial/ns16550_p.h: Support i386
	style IRQs.
This commit is contained in:
Joel Sherrill
2011-02-15 23:25:24 +00:00
parent fa47ade9bc
commit d1e10fe67f
3 changed files with 30 additions and 8 deletions
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5
c/src/ChangeLog
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@@ -1,3 +1,8 @@
2011-02-15 Jennifer Averett
* libchip/serial/ns16550.c, libchip/serial/ns16550_p.h: Support i386
style IRQs.
2011-02-11 Ralf Corsépius <ralf.corsepius@rtems.org> 2011-02-11 Ralf Corsépius <ralf.corsepius@rtems.org>
* libchip/network/smc91111config.h: * libchip/network/smc91111config.h:

31
c/src/libchip/serial/ns16550.c
View File

@@ -49,6 +49,8 @@
#ifdef BSP_SHARED_HANDLER_SUPPORT #ifdef BSP_SHARED_HANDLER_SUPPORT
#define BSP_FEATURE_IRQ_LEGACY_SHARED_HANDLER_SUPPORT #define BSP_FEATURE_IRQ_LEGACY_SHARED_HANDLER_SUPPORT
#endif #endif
#elif defined(__i386__)
#include <bsp/irq.h>
#endif #endif
/* /*
@@ -472,7 +474,6 @@ NS16550_STATIC int ns16550_set_attributes(
return 0; return 0;
} }
#if defined(BSP_FEATURE_IRQ_EXTENSION) || defined(BSP_FEATURE_IRQ_LEGACY)
/** /**
* @brief Process interrupt. * @brief Process interrupt.
@@ -521,6 +522,7 @@ NS16550_STATIC void ns16550_process( int minor)
} }
} while ((get( port, NS16550_INTERRUPT_ID) & SP_IID_0) == 0); } while ((get( port, NS16550_INTERRUPT_ID) & SP_IID_0) == 0);
} }
#if defined(BSP_FEATURE_IRQ_EXTENSION) || defined(BSP_FEATURE_IRQ_LEGACY)
#endif #endif
/** /**
@@ -578,14 +580,12 @@ NS16550_STATIC void ns16550_enable_interrupts(
(*setReg)(pNS16550, NS16550_INTERRUPT_ENABLE, mask); (*setReg)(pNS16550, NS16550_INTERRUPT_ENABLE, mask);
} }
#if defined(BSP_FEATURE_IRQ_EXTENSION) || defined(BSP_FEATURE_IRQ_LEGACY) NS16550_STATIC rtems_isr ns16550_isr(void *arg)
NS16550_STATIC rtems_isr ns16550_isr(void *arg) {
{
int minor = (int) arg; int minor = (int) arg;
ns16550_process( minor); ns16550_process( minor);
} }
#endif
/* /*
* ns16550_initialize_interrupts * ns16550_initialize_interrupts
@@ -595,8 +595,8 @@ NS16550_STATIC void ns16550_enable_interrupts(
NS16550_STATIC void ns16550_initialize_interrupts( int minor) NS16550_STATIC void ns16550_initialize_interrupts( int minor)
{ {
#if defined(BSP_FEATURE_IRQ_EXTENSION) || defined(BSP_FEATURE_IRQ_LEGACY) #if defined(BSP_FEATURE_IRQ_EXTENSION) || defined(BSP_FEATURE_IRQ_LEGACY)
console_tbl *c = &Console_Port_Tbl [minor];
#endif #endif
console_tbl *c = &Console_Port_Tbl [minor];
console_data *d = &Console_Port_Data [minor]; console_data *d = &Console_Port_Data [minor];
d->bActive = false; d->bActive = false;
@@ -648,6 +648,23 @@ NS16550_STATIC void ns16550_initialize_interrupts( int minor)
rtems_fatal_error_occurred( 0xdeadbeef); rtems_fatal_error_occurred( 0xdeadbeef);
} }
} }
#elif defined(__i386__)
{
int rv = 0;
rtems_irq_connect_data cd = {
c->ulIntVector,
ns16550_isr,
(void *) minor,
NULL,
NULL,
NULL
};
rv = BSP_install_rtems_irq_handler( &cd);
if (rv == 0) {
printk( "%s: Error: Install interrupt handler\n", __func__);
rtems_fatal_error_occurred( 0xdeadbeef);
}
}
#endif #endif
} }

2
c/src/libchip/serial/ns16550_p.h
View File

@@ -27,7 +27,7 @@ extern "C" {
* will show up in the symbol table. * will show up in the symbol table.
*/ */
#define NS16550_STATIC static #define NS16550_STATIC
#define NS16550_RECEIVE_BUFFER 0 #define NS16550_RECEIVE_BUFFER 0
#define NS16550_TRANSMIT_BUFFER 0 #define NS16550_TRANSMIT_BUFFER 0