diff options
Diffstat (limited to 'arch/csky/abiv2/inc/abi/entry.h')
| -rw-r--r-- | arch/csky/abiv2/inc/abi/entry.h | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/arch/csky/abiv2/inc/abi/entry.h b/arch/csky/abiv2/inc/abi/entry.h index acd05214d4e3..edc5cc04c4de 100644 --- a/arch/csky/abiv2/inc/abi/entry.h +++ b/arch/csky/abiv2/inc/abi/entry.h @@ -57,6 +57,8 @@ stw lr, (sp, 60) mflo lr stw lr, (sp, 64) + mfcr lr, cr14 + stw lr, (sp, 68) #endif subi sp, 80 .endm @@ -77,6 +79,8 @@ mthi a0 ldw a0, (sp, 144) mtlo a0 + ldw a0, (sp, 148) + mtcr a0, cr14 #endif ldw a0, (sp, 24) @@ -93,9 +97,9 @@ .endm .macro SAVE_SWITCH_STACK - subi sp, 64 + subi sp, 64 stm r4-r11, (sp) - stw r15, (sp, 32) + stw lr, (sp, 32) stw r16, (sp, 36) stw r17, (sp, 40) stw r26, (sp, 44) @@ -103,11 +107,29 @@ stw r28, (sp, 52) stw r29, (sp, 56) stw r30, (sp, 60) +#ifdef CONFIG_CPU_HAS_HILO + subi sp, 16 + mfhi lr + stw lr, (sp, 0) + mflo lr + stw lr, (sp, 4) + mfcr lr, cr14 + stw lr, (sp, 8) +#endif .endm .macro RESTORE_SWITCH_STACK +#ifdef CONFIG_CPU_HAS_HILO + ldw lr, (sp, 0) + mthi lr + ldw lr, (sp, 4) + mtlo lr + ldw lr, (sp, 8) + mtcr lr, cr14 + addi sp, 16 +#endif ldm r4-r11, (sp) - ldw r15, (sp, 32) + ldw lr, (sp, 32) ldw r16, (sp, 36) ldw r17, (sp, 40) ldw r26, (sp, 44) |