diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/i386/shared/irq/irq_init.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/c/src/lib/libbsp/i386/shared/irq/irq_init.c b/c/src/lib/libbsp/i386/shared/irq/irq_init.c index 4199d30488..ee6967d8d9 100644 --- a/c/src/lib/libbsp/i386/shared/irq/irq_init.c +++ b/c/src/lib/libbsp/i386/shared/irq/irq_init.c @@ -116,22 +116,30 @@ void rtems_irq_mngt_init() { int i; interrupt_gate_descriptor* idt_entry_tbl; - unsigned limit; + unsigned int 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); + i386_get_info_from_IDTR(&idt_entry_tbl, &limit); + + /* Convert into number of entries */ + limit = (limit + 1)/sizeof(interrupt_gate_descriptor); + + if(limit != IDT_SIZE) { + printk("IDT table size mismatch !!! System locked\n"); + while(1); + } + _CPU_ISR_Disable(level); /* * Init the complete IDT vector table with defaultRawIrq value */ - for (i = 0; i < limit; i++) { + for (i = 0; i < IDT_SIZE ; i++) { idtHdl[i] = defaultRawIrq; idtHdl[i].idtIndex = i; } + raw_initial_config.idtSize = IDT_SIZE; raw_initial_config.defaultRawEntry = defaultRawIrq; raw_initial_config.rawIrqHdlTbl = idtHdl; |