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Update from Eric Valette <valette@crf.canon.fr>:

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Here are patches that bring 980911 back to what I think is a correct
    version of raw IDT management as well as a correct initialisation
    of video console and rtems managed interrupts.
This commit is contained in:
Joel Sherrill
1998-09-21 00:24:51 +00:00
parent 04bc5d97f1
commit c610a1f300
4 changed files with 16 additions and 16 deletions
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18
c/src/lib/libbsp/i386/shared/irq/irq_init.c
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@@ -119,16 +119,18 @@ void rtems_irq_mngt_init()
unsigned limit;
unsigned int level;
i386_get_info_from_IDTR (&idt_entry_tbl, &limit);
/* Convert limit into number of entries */
limit = (limit + 1) / sizeof(interrupt_gate_descriptor);
_CPU_ISR_Disable(level);
/*
* Init the complete IDT vector table with defaultRawIrq value
*/
for (i = 0; i < IDT_SIZE; i++) {
idtHdl[i] = defaultRawIrq;
for (i = 0; i < limit; i++) {
idtHdl[i] = defaultRawIrq;
idtHdl[i].idtIndex = i;
}
raw_initial_config.idtSize = IDT_SIZE;
raw_initial_config.defaultRawEntry = defaultRawIrq;
@@ -138,7 +140,6 @@ void rtems_irq_mngt_init()
/*
* put something here that will show the failure...
*/
BSP_emergency_output_init();
printk("Unable to initialize IDT!!! System locked\n");
while (1);
}
@@ -159,7 +160,8 @@ void rtems_irq_mngt_init()
* re-init the rtemsIrq table
*/
for (i = 0; i < PC_386_IRQ_LINES_NUMBER; i++) {
rtemsIrq[i] = defaultIrq;
rtemsIrq[i] = defaultIrq;
rtemsIrq[i].name = i;
}
/*
* Init initial Interrupt management config
@@ -169,11 +171,11 @@ void rtems_irq_mngt_init()
initial_config.irqHdlTbl = rtemsIrq;
initial_config.irqBase = PC386_ASM_IRQ_VECTOR_BASE;
initial_config.irqPrioTbl = irqPrioTable;
if (!pc386_rtems_irq_mngt_set(&initial_config)) {
/*
* put something here that will show the failure...
*/
BSP_emergency_output_init();
printk("Unable to initialize RTEMS interrupt Management!!! System locked\n");
while (1);
}
@@ -188,8 +190,6 @@ void rtems_irq_mngt_init()
*/
unsigned tmp;
BSP_emergency_output_init();
printk("idt_entry_tbl = %x Interrupt_descriptor_table addr = %x\n",
idt_entry_tbl, &Interrupt_descriptor_table);
tmp = (unsigned) get_hdl_from_vector (PC386_ASM_IRQ_VECTOR_BASE + PC_386_PERIODIC_TIMER);