1/* 2 * armv6 machine assist, definitions 3 * 4 * loader uses R11 as scratch. 5 */ 6 7#include "mem.h" 8#include "arm.h" 9 10#define PADDR(va) (PHYSDRAM | ((va) & ~KSEGM)) 11 12#define L1X(va) (((((va))>>20) & 0x0fff)<<2) 13 14#define PTEDRAM (Dom0|L1AP(Krw)|Section|Cached|Buffered) 15 16/* 17 * new instructions 18 */ 19 20#define ISB \ 21 MOVW $0, R0; \ 22 MCR CpSC, 0, R0, C(CpCACHE), C(CpCACHEinvi), CpCACHEwait 23 24#define DSB \ 25 MOVW $0, R0; \ 26 MCR CpSC, 0, R0, C(CpCACHE), C(CpCACHEwb), CpCACHEwait 27 28#define BARRIERS ISB; DSB 29 30#define MCRR(coproc, op, rd, rn, crm) \ 31 WORD $(0xec400000|(rn)<<16|(rd)<<12|(coproc)<<8|(op)<<4|(crm)) 32 33#define OKAY \ 34 MOVW $0x7E200028,R2; \ 35 MOVW $0x10000,R3; \ 36 MOVW R3,(R2) 37