diff options
Diffstat (limited to 'include/asm-ia64/sal.h')
| -rw-r--r-- | include/asm-ia64/sal.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/asm-ia64/sal.h b/include/asm-ia64/sal.h index ea1ed377de4..240676f7539 100644 --- a/include/asm-ia64/sal.h +++ b/include/asm-ia64/sal.h @@ -832,6 +832,44 @@ extern int ia64_sal_oemcall_nolock(struct ia64_sal_retval *, u64, u64, u64, u64, u64, u64, u64, u64); extern int ia64_sal_oemcall_reentrant(struct ia64_sal_retval *, u64, u64, u64, u64, u64, u64, u64, u64); +#ifdef CONFIG_HOTPLUG_CPU +/* + * System Abstraction Layer Specification + * Section 3.2.5.1: OS_BOOT_RENDEZ to SAL return State. + * Note: region regs are stored first in head.S _start. Hence they must + * stay up front. + */ +struct sal_to_os_boot { + u64 rr[8]; /* Region Registers */ + u64 br[6]; /* br0: return addr into SAL boot rendez routine */ + u64 gr1; /* SAL:GP */ + u64 gr12; /* SAL:SP */ + u64 gr13; /* SAL: Task Pointer */ + u64 fpsr; + u64 pfs; + u64 rnat; + u64 unat; + u64 bspstore; + u64 dcr; /* Default Control Register */ + u64 iva; + u64 pta; + u64 itv; + u64 pmv; + u64 cmcv; + u64 lrr[2]; + u64 gr[4]; + u64 pr; /* Predicate registers */ + u64 lc; /* Loop Count */ + struct ia64_fpreg fp[20]; +}; + +/* + * Global array allocated for NR_CPUS at boot time + */ +extern struct sal_to_os_boot sal_boot_rendez_state[NR_CPUS]; + +extern void ia64_jump_to_sal(struct sal_to_os_boot *); +#endif extern void ia64_sal_handler_init(void *entry_point, void *gpval); |