| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | #ifndef __MOVS_H__ |
| 2 | #define __MOVS_H__ |
| 3 | |
| 4 | /* |
| 5 | ** movs.h |
| 6 | ** |
| 7 | ** Inline assembly macros to generate movs & related instructions |
| 8 | */ |
| 9 | |
| 10 | /* Set DFC register value */ |
| 11 | |
| 12 | #define SET_DFC(x) \ |
| 13 | __asm__ __volatile__ (" movec %0,%/dfc" : : "d" (x)); |
| 14 | |
| 15 | /* Get DFC register value */ |
| 16 | |
| 17 | #define GET_DFC(x) \ |
| 18 | __asm__ __volatile__ (" movec %/dfc, %0" : "=d" (x) : ); |
| 19 | |
| 20 | /* Set SFC register value */ |
| 21 | |
| 22 | #define SET_SFC(x) \ |
| 23 | __asm__ __volatile__ (" movec %0,%/sfc" : : "d" (x)); |
| 24 | |
| 25 | /* Get SFC register value */ |
| 26 | |
| 27 | #define GET_SFC(x) \ |
| 28 | __asm__ __volatile__ (" movec %/sfc, %0" : "=d" (x) : ); |
| 29 | |
| 30 | #define SET_VBR(x) \ |
| 31 | __asm__ __volatile__ (" movec %0,%/vbr" : : "r" (x)); |
| 32 | |
| 33 | #define GET_VBR(x) \ |
| 34 | __asm__ __volatile__ (" movec %/vbr, %0" : "=g" (x) : ); |
| 35 | |
| 36 | /* Set a byte using the "movs" instruction */ |
| 37 | |
| 38 | #define SET_CONTROL_BYTE(addr,value) \ |
| 39 | __asm__ __volatile__ (" movsb %0, %1@" : : "d" (value), "a" (addr)); |
| 40 | |
| 41 | /* Get a byte using the "movs" instruction */ |
| 42 | |
| 43 | #define GET_CONTROL_BYTE(addr,value) \ |
| 44 | __asm__ __volatile__ (" movsb %1@, %0" : "=d" (value) : "a" (addr)); |
| 45 | |
| 46 | /* Set a (long)word using the "movs" instruction */ |
| 47 | |
| 48 | #define SET_CONTROL_WORD(addr,value) \ |
| 49 | __asm__ __volatile__ (" movsl %0, %1@" : : "d" (value), "a" (addr)); |
| 50 | |
| 51 | /* Get a (long)word using the "movs" instruction */ |
| 52 | |
| 53 | #define GET_CONTROL_WORD(addr,value) \ |
| 54 | __asm__ __volatile__ (" movsl %1@, %0" : "=d" (value) : "a" (addr)); |
| 55 | #endif |