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author | marcel <marcel@FreeBSD.org> | 2010-07-07 19:06:53 +0000 |
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committer | marcel <marcel@FreeBSD.org> | 2010-07-07 19:06:53 +0000 |
commit | 77cfe5af280a84ffe46befeac8278b0e24cba94c (patch) | |
tree | b410422fdd2d1f009893e7438f879d001ef1641f /sys/boot/ia64/common/exec.c | |
parent | 2449809d828b5150d531d1e687e6611bf8328117 (diff) | |
download | FreeBSD-src-77cfe5af280a84ffe46befeac8278b0e24cba94c.zip FreeBSD-src-77cfe5af280a84ffe46befeac8278b0e24cba94c.tar.gz |
Use the kernel's start address to determine what to map. This allows
us to link the kernel at different addresses without needing to build
a corresponding loader.
Diffstat (limited to 'sys/boot/ia64/common/exec.c')
-rw-r--r-- | sys/boot/ia64/common/exec.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/boot/ia64/common/exec.c b/sys/boot/ia64/common/exec.c index 6b451f2..1a8094f 100644 --- a/sys/boot/ia64/common/exec.c +++ b/sys/boot/ia64/common/exec.c @@ -106,11 +106,12 @@ elf64_exec(struct preloaded_file *fp) pte = PTE_PRESENT | PTE_MA_WB | PTE_ACCESSED | PTE_DIRTY | PTE_PL_KERN | PTE_AR_RWX | PTE_ED; + pte |= IA64_RR_MASK(hdr->e_entry) & PTE_PPN_MASK; - __asm __volatile("mov cr.ifa=%0" :: "r"(IA64_RR_BASE(7))); + __asm __volatile("mov cr.ifa=%0" :: "r"(hdr->e_entry)); __asm __volatile("mov cr.itir=%0" :: "r"(28 << 2)); - __asm __volatile("ptr.i %0,%1" :: "r"(IA64_RR_BASE(7)), "r"(28<<2)); - __asm __volatile("ptr.d %0,%1" :: "r"(IA64_RR_BASE(7)), "r"(28<<2)); + __asm __volatile("ptr.i %0,%1" :: "r"(hdr->e_entry), "r"(28<<2)); + __asm __volatile("ptr.d %0,%1" :: "r"(hdr->e_entry), "r"(28<<2)); __asm __volatile("srlz.i;;"); __asm __volatile("itr.i itr[%0]=%1;;" :: "r"(0), "r"(pte)); __asm __volatile("srlz.i;;"); |