Date: Tue, 14 Jan 2014 15:59:32 +0100 From: Roger Pau Monne <roger.pau@citrix.com> To: <freebsd-xen@freebsd.org>, <freebsd-current@freebsd.org>, <xen-devel@lists.xen.org>, <gibbs@freebsd.org>, <jhb@freebsd.org>, <kib@freebsd.org>, <julien.grall@citrix.com> Cc: Roger Pau Monne <roger.pau@citrix.com> Subject: [PATCH v10 10/20] xen: add hook for AP bootstrap memory reservation Message-ID: <1389711582-66908-11-git-send-email-roger.pau@citrix.com> In-Reply-To: <1389711582-66908-1-git-send-email-roger.pau@citrix.com> References: <1389711582-66908-1-git-send-email-roger.pau@citrix.com>
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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 | 1 +
2 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/sys/amd64/amd64/machdep.c b/sys/amd64/amd64/machdep.c
index 64df89a..3a2db30 100644
--- a/sys/amd64/amd64/machdep.c
+++ b/sys/amd64/amd64/machdep.c
@@ -178,6 +178,9 @@ 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
};
/*
@@ -1492,7 +1495,8 @@ 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..7696064 100644
--- a/sys/amd64/include/sysarch.h
+++ b/sys/amd64/include/sysarch.h
@@ -16,6 +16,7 @@ struct init_ops {
void (*early_delay_init)(void);
void (*early_delay)(int);
void (*parse_memmap)(caddr_t, vm_paddr_t *, int *);
+ u_int (*mp_bootaddress)(u_int);
};
extern struct init_ops init_ops;
--
1.7.7.5 (Apple Git-26)
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