diff options
Diffstat (limited to 'c/src/lib/libcpu/mips/shared/interrupts/maxvectors.c')
| -rw-r--r-- | c/src/lib/libcpu/mips/shared/interrupts/maxvectors.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/c/src/lib/libcpu/mips/shared/interrupts/maxvectors.c b/c/src/lib/libcpu/mips/shared/interrupts/maxvectors.c index 730a1898f2..64f77317f7 100644 --- a/c/src/lib/libcpu/mips/shared/interrupts/maxvectors.c +++ b/c/src/lib/libcpu/mips/shared/interrupts/maxvectors.c @@ -14,14 +14,29 @@ /* - * The tx3904 attaches 4 of the eight interrupt bits to an on-CPU interrupt - * controller so that these four bits map to 16 unique interrupts. - * So you have: 2 software interrupts, an NMI, and 16 others. + * The Toshiba TX3904 attaches 4 of the eight interrupt bits to an + * on-CPU interrupt controller so that these four bits map to 16 + * unique interrupts. So you have: 2 software interrupts, an NMI, + * and 16 others. */ + #if defined(TX39) #define MAX_VECTORS 19 #endif +/* + * The Synova Mongoose-V attached one of the eight interrupt bits + * to a Peripheral Function Interrupt Cause Register on-CPU. + * This results in: 2 software interrupts, 5 interrupts + * through the IP bits, and 32 more from the PFICR. Some of + * these are reserved but for simplicity in processing, we + * reserve slots for those bits anyway. + */ + +#if defined(MONGOOSEV) +#define MAX_VECTORS 37 +#endif + #ifndef MAX_VECTORS #define MAX_VECTORS 8 #endif |