diff options
Diffstat (limited to 'core/minute-ia/interrupts.c')
-rw-r--r-- | core/minute-ia/interrupts.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/core/minute-ia/interrupts.c b/core/minute-ia/interrupts.c index 5e69b9c199..8fc5b2f9e9 100644 --- a/core/minute-ia/interrupts.c +++ b/core/minute-ia/interrupts.c @@ -26,19 +26,19 @@ extern struct idt_entry __idt[NUM_VECTORS]; /* To count the interrupt nesting depth. Usually it is not nested */ volatile uint32_t __in_isr; -void write_ioapic_reg(const uint8_t reg, const uint32_t val) +static void write_ioapic_reg(const uint32_t reg, const uint32_t val) { IOAPIC_IDX = reg; IOAPIC_WDW = val; } -uint32_t read_ioapic_reg(const uint8_t reg) +static uint32_t read_ioapic_reg(const uint32_t reg) { IOAPIC_IDX = reg; return IOAPIC_WDW; } -void set_ioapic_redtbl_raw(const uint32_t irq, const uint32_t val) +static void set_ioapic_redtbl_raw(const uint32_t irq, const uint32_t val) { const uint32_t redtbl_lo = IOAPIC_IOREDTBL + 2 * irq; const uint32_t redtbl_hi = redtbl_lo + 1; @@ -280,7 +280,11 @@ DECLARE_DEFERRED(print_lpaic_lvt_error); static inline unsigned int lapic_get_vector(volatile uint32_t *reg_base, uint32_t vector) { - uint32_t reg_pos = (vector >> 5) << 4; + /* + * Since we are using array indexing, we need to divide the vec_pos by + * sizeof(uint32_t), i.e. shift to the right 2. + */ + uint32_t reg_pos = (vector >> 5) << 2; uint32_t vec_pos = vector & (32 - 1); return reg_base[reg_pos] & BIT(vec_pos); |