diff options
Diffstat (limited to 'hw/intc/loongson_liointc.c')
| -rw-r--r-- | hw/intc/loongson_liointc.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/hw/intc/loongson_liointc.c b/hw/intc/loongson_liointc.c index f823d484e0..cc11b544cb 100644 --- a/hw/intc/loongson_liointc.c +++ b/hw/intc/loongson_liointc.c @@ -41,7 +41,7 @@ #define R_IEN_CLR 0x2c #define R_ISR_SIZE 0x8 #define R_START 0x40 -#define R_END 0x64 +#define R_END (R_START + R_ISR_SIZE * NUM_CORES) struct loongson_liointc { SysBusDevice parent_obj; @@ -125,7 +125,12 @@ liointc_read(void *opaque, hwaddr addr, unsigned int size) } if (addr >= R_START && addr < R_END) { - int core = (addr - R_START) / R_ISR_SIZE; + hwaddr offset = addr - R_START; + int core = offset / R_ISR_SIZE; + + if (offset % R_ISR_SIZE) { + goto out; + } r = p->per_core_isr[core]; goto out; } @@ -169,7 +174,12 @@ liointc_write(void *opaque, hwaddr addr, } if (addr >= R_START && addr < R_END) { - int core = (addr - R_START) / R_ISR_SIZE; + hwaddr offset = addr - R_START; + int core = offset / R_ISR_SIZE; + + if (offset % R_ISR_SIZE) { + goto out; + } p->per_core_isr[core] = value; goto out; } |