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modification for no_cache: extend_process_region(...,flag)

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This commit is contained in:
simin
2012-11-26 15:34:11 +09:00
committed by Masamichi Takagi m-takagi@ab.jp.nec.com
parent b902a245e4
commit b79d20d7bf
3 changed files with 10 additions and 100 deletions
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12
kernel/syscall.c
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@ -121,7 +121,7 @@ long sys_brk(int n, aal_mc_user_context_t *ctx)
region->brk_end =
extend_process_region(cpu_local_var(current),
region->brk_start, region->brk_end,
address);
address, 0);
aal_mc_spinlock_unlock(&cpu_local_var(current)->vm->memory_range_lock, flags);
dkprintf("SC(%d)[sys_brk] brk_end set to %lx\n", aal_mc_get_processor_id(), region->brk_end);
@ -464,9 +464,9 @@ SYSCALL_DECLARE(mmap)
#ifdef USE_NOCACHE_MMAP
if ((aal_mc_syscall_arg3(ctx) & 0x40) == 0x40) {
dkprintf("SC(%d),syscall.c,mmap,nocache,len=%lx\n", cpuid, len);
region->map_end = extend_process_nocache_region(
region->map_end = extend_process_region(
cpu_local_var(current), region->map_start, map_end_aligned,
s + len);
s + len, VR_IO_NOCACHE);
}
else
#endif
@ -475,7 +475,7 @@ SYSCALL_DECLARE(mmap)
extend_process_region(cpu_local_var(current),
region->map_start,
map_end_aligned,
s + len);
s + len, 0);
}
aal_mc_spinlock_unlock(&cpu_local_var(current)->vm->memory_range_lock, flags);
@ -506,7 +506,7 @@ SYSCALL_DECLARE(mmap)
extend_process_region(cpu_local_var(current),
region->map_start,
s,
s + len);
s + len, 0);
#else
unsigned long s = (region->map_end + PAGE_SIZE - 1) & PAGE_MASK;
unsigned long len = (aal_mc_syscall_arg1(ctx) + PAGE_SIZE - 1) & PAGE_MASK;
@ -514,7 +514,7 @@ SYSCALL_DECLARE(mmap)
extend_process_region(cpu_local_var(current),
region->map_start,
region->map_end,
s + len);
s + len, 0);
#endif
aal_mc_spinlock_unlock(&cpu_local_var(current)->vm->memory_range_lock, flags);
if (region->map_end < s + len) { return -EINVAL; }