diff options
Diffstat (limited to 'firmware')
| -rw-r--r-- | firmware/export/system.h | 4 | ||||
| -rw-r--r-- | firmware/target/sh/system-sh.c | 11 | ||||
| -rw-r--r-- | firmware/target/sh/system-target.h | 7 |
3 files changed, 22 insertions, 0 deletions
diff --git a/firmware/export/system.h b/firmware/export/system.h index b44600d2c2..489ed8dc12 100644 --- a/firmware/export/system.h +++ b/firmware/export/system.h @@ -266,6 +266,10 @@ static inline uint32_t swap_odd_even32(uint32_t value) #endif /* !SIMULATOR */ +#ifndef TEST_BIT_N +#define TEST_BIT_N(n, mask) ((1UL << (n)) & (mask)) +#endif + /* Declare this as HIGHEST_IRQ_LEVEL if they don't differ */ #ifndef DISABLE_INTERRUPTS #define DISABLE_INTERRUPTS HIGHEST_IRQ_LEVEL diff --git a/firmware/target/sh/system-sh.c b/firmware/target/sh/system-sh.c index 02af40282f..7779c975a7 100644 --- a/firmware/target/sh/system-sh.c +++ b/firmware/target/sh/system-sh.c @@ -27,6 +27,17 @@ #include "font.h" #include "led.h" +const unsigned bit_n_table[32] = { + 1LU<< 0, 1LU<< 1, 1LU<< 2, 1LU<< 3, + 1LU<< 4, 1LU<< 5, 1LU<< 6, 1LU<< 7, + 1LU<< 8, 1LU<< 9, 1LU<<10, 1LU<<11, + 1LU<<12, 1LU<<13, 1LU<<14, 1LU<<15, + 1LU<<16, 1LU<<17, 1LU<<18, 1LU<<19, + 1LU<<20, 1LU<<21, 1LU<<22, 1LU<<23, + 1LU<<24, 1LU<<25, 1LU<<26, 1LU<<27, + 1LU<<28, 1LU<<29, 1LU<<30, 1LU<<31 +}; + static const char* const irqname[] = { "", "", "", "", "IllInstr", "", "IllSltIn","","", "CPUAdrEr", "DMAAdrEr", "NMI", "UserBrk", diff --git a/firmware/target/sh/system-target.h b/firmware/target/sh/system-target.h index 3c225fbb69..2568911a1e 100644 --- a/firmware/target/sh/system-target.h +++ b/firmware/target/sh/system-target.h @@ -126,4 +126,11 @@ static inline uint32_t swap_odd_even32(uint32_t value) return value; } +extern const unsigned bit_n_table[32]; +#define BIT_N(n) ( \ + __builtin_constant_p(n) \ + ? (1LU << (n)) \ + : bit_n_table[n] \ +) + #endif /* SYSTEM_TARGET_H */ |