diff options
author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2009-11-22 21:21:55 +0100 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2009-11-22 21:21:55 +0100 |
commit | b395eb639cbf800a24c0631835069eb8629d58f8 (patch) | |
tree | 05ff915686c1debf5510796087a4f03c606ee5a1 /i386/i386at | |
parent | a04ce77f750f1655c17394adcdb7919e8f50f5cb (diff) |
Fix early interrupt crash
* i386/i386at/model_dep.c (i386at_init): Move int_stack_high
assignation to before setting up interrupts.
Diffstat (limited to 'i386/i386at')
-rw-r--r-- | i386/i386at/model_dep.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/i386/i386at/model_dep.c b/i386/i386at/model_dep.c index 37f43f4..4ba617c 100644 --- a/i386/i386at/model_dep.c +++ b/i386/i386at/model_dep.c @@ -335,6 +335,11 @@ i386at_init(void) set_cr0(get_cr0() | CR0_PG | CR0_WP); flush_instr_queue(); + /* Interrupt stacks are allocated in physical memory, + while kernel stacks are allocated in kernel virtual memory, + so phys_last_addr serves as a convenient dividing point. */ + int_stack_high = phystokv(phys_last_addr); + /* * Initialize and activate the real i386 protected-mode structures. */ @@ -357,11 +362,6 @@ i386at_init(void) as the interrupt stack for now. Later this will have to change, because the init stack will get freed after bootup. */ asm("movl %%esp,%0" : "=m" (int_stack_top)); - - /* Interrupt stacks are allocated in physical memory, - while kernel stacks are allocated in kernel virtual memory, - so phys_last_addr serves as a convenient dividing point. */ - int_stack_high = phystokv(phys_last_addr); } /* |