1 #ifndef __DEBUGREG_H__ 2 #define __DEBUGREG_H__ 3 4 /* DR6: status flags */ 5 #define DR6_B(bp) (1 << (bp)) /* breakpoint was triggered */ 6 #define DR6_BD (1 << 13) /* debug register access detected */ 7 #define DR6_BS (1 << 14) /* single step */ 8 #define DR6_BT (1 << 15) /* task switch */ 9 10 /* DR7: control flags */ 11 #define DR7_L(bp) (1 << (2*(bp))) /* breakpoint armed locally */ 12 #define DR7_G(bp) (1 << (1+2*(bp))) /* breakpoint armed globally */ 13 #define DR7_LE (1 << 8) /* exact local breakpoints */ 14 #define DR7_GE (1 << 9) /* exact global breakpoints */ 15 #define DR7_GD (1 << 13) /* detect debug reg movs */ 16 17 #define DR7_RW_MASK(bp) (3 << (16+4*(bp))) 18 #define DR7_RW_EXEC(bp) (0 << (16+4*(bp))) /* execute */ 19 #define DR7_RW_WRITE(bp) (1 << (16+4*(bp))) /* write */ 20 #define DR7_RW_IO(bp) (2 << (16+4*(bp))) /* IO */ 21 #define DR7_RW_RW(bp) (3 << (16+4*(bp))) /* read or write */ 22 23 #define DR7_LN_MASK(bp) (3 << (18+4*(bp))) 24 #define DR7_LN_1(bp) (0 << (18+4*(bp))) /* 1 byte */ 25 #define DR7_LN_2(bp) (1 << (18+4*(bp))) /* 2 bytes */ 26 #define DR7_LN_8(bp) (2 << (18+4*(bp))) /* 8 bytes */ 27 #define DR7_LN_4(bp) (3 << (18+4*(bp))) /* 4 bytes */ 28 29 /* debugreg.S */ 30 void ld_dr0(phys_bytes value); 31 void ld_dr1(phys_bytes value); 32 void ld_dr2(phys_bytes value); 33 void ld_dr3(phys_bytes value); 34 void ld_dr6(unsigned long value); 35 void ld_dr7(unsigned long value); 36 phys_bytes st_dr0(void); 37 phys_bytes st_dr1(void); 38 phys_bytes st_dr2(void); 39 phys_bytes st_dr3(void); 40 unsigned long st_dr6(void); 41 unsigned long st_dr7(void); 42 43 #endif /* __DEBUGREG_H__ */ 44 45