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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2009-10-20 17:48:58 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2009-10-20 17:48:58 +0100
commit2f58373a59815b46a19355f18227f2304bd651ef (patch)
tree78a30ecd7ff244470d8759c94efe695bc879a7e0 /i386/i386at
parente13b42aeee93f1662da5f5e83f93304972a3fa6d (diff)
Better estimate avail_remaining
* i386/i386at/model_dep.c (mem_size_init): Move avail_remaining computation to after all phys_last_addr corrections.
Diffstat (limited to 'i386/i386at')
-rw-r--r--i386/i386at/model_dep.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/i386/i386at/model_dep.c b/i386/i386at/model_dep.c
index b98a4d8..975f60a 100644
--- a/i386/i386at/model_dep.c
+++ b/i386/i386at/model_dep.c
@@ -225,10 +225,9 @@ mem_size_init(void)
phys_last_kb = 0x400000 - 1;
}
+ /* TODO: support mmap */
+
phys_last_addr = phys_last_kb * 0x400;
- avail_remaining
- = phys_last_addr - (0x100000 - (boot_info.mem_lower * 0x400)
- - 0x1000);
printf("AT386 boot: physical memory from 0x%x to 0x%x\n",
phys_first_addr, phys_last_addr);
@@ -242,6 +241,10 @@ mem_size_init(void)
phys_first_addr = round_page(phys_first_addr);
phys_last_addr = trunc_page(phys_last_addr);
+
+ avail_remaining
+ = phys_last_addr - (0x100000 - (boot_info.mem_lower * 0x400)
+ - 0x1000);
}
/*