This hook will only be implemented for bare metal, Xen doesn't require
any bootstrap code since APs are started in long mode with paging
enabled.
---
sys/amd64/amd64/machdep.c | 6 +++++-
sys/amd64/include/sysarch.h | 3 +++
2 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/sys/amd64/amd64/machdep.c b/sys/amd64/amd64/machdep.c
index 6bbfe5a..a811a9b 100644
--- a/sys/amd64/amd64/machdep.c
+++ b/sys/amd64/amd64/machdep.c
@@ -186,6 +186,9 @@ struct init_ops init_ops = {
.early_delay_init = i8254_init,
.early_delay = i8254_delay,
.parse_memmap = native_parse_memmap,
+#ifdef SMP
+ .mp_bootaddress = mp_bootaddress,
+#endif
};
/*
@@ -1507,7 +1510,8 @@ getmemsize(caddr_t kmdp, u_int64_t first)
#ifdef SMP
/* make hole for AP bootstrap code */
- physmap[1] = mp_bootaddress(physmap[1] / 1024);
+ if (init_ops.mp_bootaddress)
+ physmap[1] = init_ops.mp_bootaddress(physmap[1] / 1024);
#endif
/*
diff --git a/sys/amd64/include/sysarch.h b/sys/amd64/include/sysarch.h
index 084223e..77f4b29 100644
--- a/sys/amd64/include/sysarch.h
+++ b/sys/amd64/include/sysarch.h
@@ -16,6 +16,9 @@ struct init_ops {
void (*early_delay_init)(void);
void (*early_delay)(int);
void (*parse_memmap)(caddr_t, vm_paddr_t *, int *);
+#ifdef SMP
+ u_int (*mp_bootaddress)(u_int);
+#endif
};
extern struct init_ops init_ops;
--
1.7.7.5 (Apple Git-26)
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