| 1 | /* vim:filetype=armasm |
| 2 | */ |
| 3 | |
| 4 | #include <linux/init.h> |
| 5 | |
| 6 | #ifndef CONFIG_CPU_ARM926T |
| 7 | #error CPU not supported |
| 8 | #endif |
| 9 | |
| 10 | .text |
| 11 | .align 2 |
| 12 | |
| 13 | .global warm_cop_clean_inval_d |
| 14 | warm_cop_clean_inval_d: |
| 15 | 0: mrc p15, 0, r15, c7, c14, 3 @ test, clean and invalidate |
| 16 | bne 0b |
| 17 | bx lr |
| 18 | |
| 19 | |
| 20 | .global warm_cop_clean_d |
| 21 | warm_cop_clean_d: |
| 22 | 0: mrc p15, 0, r15, c7, c10, 3 @ test and clean |
| 23 | bne 0b |
| 24 | bx lr |
| 25 | |
| 26 | |
| 27 | .global warm_cop_inval_d |
| 28 | warm_cop_inval_d: |
| 29 | mov r0, #0 |
| 30 | mcr p15, 0, r0, c7, c6, 0 |
| 31 | bx lr |
| 32 | |
| 33 | |
| 34 | .global warm_cop_inval_i |
| 35 | warm_cop_inval_i: |
| 36 | mov r0, #0 |
| 37 | mcr p15, 0, r0, c7, c5, 0 |
| 38 | bx lr |
| 39 | |
| 40 | |
| 41 | .global warm_cop_drain_wb |
| 42 | warm_cop_drain_wb: |
| 43 | mov r0, #0 |
| 44 | mcr p15, 0, r0, c7, c10, 4 |
| 45 | bx lr |
| 46 | |
| 47 | |
| 48 | #define R_CLEAN_INVAL_D \ |
| 49 | mcr p15, 0, r0, c7, c14, 1 |
| 50 | |
| 51 | #define R_CLEAN_D \ |
| 52 | mcr p15, 0, r0, c7, c10, 1 |
| 53 | |
| 54 | #define R_INVAL_D \ |
| 55 | mcr p15, 0, r0, c7, c6, 1 |
| 56 | |
| 57 | #define R_INVAL_I \ |
| 58 | mcr p15, 0, r0, c7, c5, 1 |
| 59 | |
| 60 | #define WARM_COP_MK_RANGE_FUNC(name,f1,f2) \ |
| 61 | .global name ;\ |
| 62 | name: ;\ |
| 63 | bic r0, r0, #32-1 ;\ |
| 64 | 0: f1 ;\ |
| 65 | f2 ;\ |
| 66 | add r0, r0, #32 ;\ |
| 67 | subs r1, r1, #32 ;\ |
| 68 | bgt 0b ;\ |
| 69 | bx lr |
| 70 | |
| 71 | WARM_COP_MK_RANGE_FUNC(warm_cop_r_clean_d_inval_di, R_CLEAN_INVAL_D, R_INVAL_I) |
| 72 | WARM_COP_MK_RANGE_FUNC(warm_cop_r_clean_d_inval_d, R_CLEAN_INVAL_D, ) |
| 73 | WARM_COP_MK_RANGE_FUNC(warm_cop_r_clean_d_inval_i, R_CLEAN_D, R_INVAL_I) |
| 74 | WARM_COP_MK_RANGE_FUNC(warm_cop_r_clean_d, R_CLEAN_D, ) |
| 75 | WARM_COP_MK_RANGE_FUNC(warm_cop_r_inval_di, R_INVAL_D, R_INVAL_I) |
| 76 | WARM_COP_MK_RANGE_FUNC(warm_cop_r_inval_d, R_INVAL_D, ) |
| 77 | WARM_COP_MK_RANGE_FUNC(warm_cop_r_inval_i, R_INVAL_I, ) |
| 78 | |
| 79 | |
| 80 | .global warm_drain_wb_inval_tlb |
| 81 | warm_drain_wb_inval_tlb: |
| 82 | mov r0, #0 |
| 83 | mcr p15, 0, r0, c7, c10, 4 |
| 84 | mcr p15, 0, r0, c8, c7, 0 |
| 85 | bx lr |
| 86 | |