diff options
Diffstat (limited to 'arch/microblaze/kernel/entry.S')
| -rw-r--r-- | arch/microblaze/kernel/entry.S | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S index d875a0c01032..4b254fcd6961 100644 --- a/arch/microblaze/kernel/entry.S +++ b/arch/microblaze/kernel/entry.S @@ -957,6 +957,50 @@ ENTRY(_switch_to) rtsd r15, 8 nop +#ifdef CONFIG_MB_MANAGER +.section .data +.global xmb_manager_dev +.global xmb_manager_baseaddr +.global xmb_manager_crval +.global xmb_manager_callback +.global xmb_manager_reset_callback +.align 4 +xmb_manager_dev: + .long 0 +xmb_manager_baseaddr: + .long 0 +xmb_manager_crval: + .long 0 +xmb_manager_callback: + .long 0 +xmb_manager_reset_callback: + .long 0 + +/* + * When the break vector gets asserted because of error injection, + * the break signal must be blocked before exiting from the + * break handler, Below api updates the manager address and + * control register and error count callback arguments, + * which will be used by the break handler to block the + * break and call the callback function. + */ +.global xmb_manager_register +.section .text +.align 2 +.ent xmb_manager_register +.type xmb_manager_register, @function +xmb_manager_register: + swi r5, r0, xmb_manager_baseaddr + swi r6, r0, xmb_manager_crval + swi r7, r0, xmb_manager_callback + swi r8, r0, xmb_manager_dev + swi r9, r0, xmb_manager_reset_callback + + rtsd r15, 8; + nop; +.end xmb_manager_register +#endif + ENTRY(_reset) VM_OFF brai 0; /* Jump to reset vector */ |