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| author | Damien Zammit <damien@zamaudio.com> | 2023-02-14 00:06:54 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-02-14 00:06:54 +0100 |
| commit | 544071f200124fafd4fe7628c54f124e8577ca82 (patch) | |
| tree | f0e0ef8a706126c3d6a65e21ee3f5dcd40759e26 /x86_64 | |
| parent | f9ebee5589f8056ef52c6ecfdf7d6e10f4d34d1c (diff) | |
| download | gnumach-544071f200124fafd4fe7628c54f124e8577ca82.tar.gz gnumach-544071f200124fafd4fe7628c54f124e8577ca82.tar.bz2 gnumach-544071f200124fafd4fe7628c54f124e8577ca82.zip | |
Make curr_ipl[] per cpu
Diffstat (limited to 'x86_64')
| -rw-r--r-- | x86_64/spl.S | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/x86_64/spl.S b/x86_64/spl.S index 0c2c50cb..27bc39ea 100644 --- a/x86_64/spl.S +++ b/x86_64/spl.S @@ -21,6 +21,7 @@ #include <i386/i386/ipl.h> #include <i386/i386/i386asm.h> #include <i386/i386/xen.h> +#include <i386/cpu_number.h> #if NCPUS > 1 #define mb lock; addl $0,(%esp) @@ -46,7 +47,8 @@ lock orl $1,hyp_shared_info+CPU_PENDING_SEL; /* Yes, activate it */ \ ENTRY(spl0) mb; - movl EXT(curr_ipl),%eax /* save current ipl */ + CPU_NUMBER(%edx) + movl CX(EXT(curr_ipl),%edx),%eax /* save current ipl */ pushq %rax cli /* disable interrupts */ #ifdef LINUX_DEV @@ -74,9 +76,10 @@ ENTRY(spl0) #endif cli /* disable interrupts */ 1: - cmpl $(SPL0),EXT(curr_ipl) /* are we at spl0? */ - je 1f /* yes, all done */ - movl $(SPL0),EXT(curr_ipl) /* set ipl */ + CPU_NUMBER(%edx) + cmpl $(SPL0),CX(EXT(curr_ipl),%edx) /* are we at spl0? */ + je 1f /* yes, all done */ + movl $(SPL0),CX(EXT(curr_ipl),%edx) /* set ipl */ #ifdef MACH_XEN movl EXT(int_mask)+SPL0*4,%eax /* get xen mask */ @@ -119,16 +122,17 @@ ENTRY(spl7) mb; /* just clear IF */ cli + CPU_NUMBER(%edx) movl $SPL7,%eax - xchgl EXT(curr_ipl),%eax + xchgl CX(EXT(curr_ipl),%edx),%eax ret ENTRY(splx) movq S_ARG0,%rdx /* get ipl */ - + CPU_NUMBER(%eax) #if (MACH_KDB || MACH_TTD) && !defined(MACH_XEN) /* First make sure that if we're exitting from ipl7, IF is still cleared */ - cmpl $SPL7,EXT(curr_ipl) /* from ipl7? */ + cmpl $SPL7,CX(EXT(curr_ipl),%eax) /* from ipl7? */ jne 0f pushfq popq %rax @@ -140,7 +144,8 @@ ENTRY(splx) #endif /* (MACH_KDB || MACH_TTD) && !MACH_XEN */ testl %edx,%edx /* spl0? */ jz EXT(spl0) /* yes, handle specially */ - cmpl EXT(curr_ipl),%edx /* same ipl as current? */ + CPU_NUMBER(%eax) + cmpl CX(EXT(curr_ipl),%eax),%edx /* same ipl as current? */ jne spl /* no */ cmpl $SPL7,%edx /* spl7? */ je 1f /* to ipl7, don't enable interrupts */ @@ -188,9 +193,10 @@ splx_cli: 1: xorl %edx,%edx /* edx = ipl 0 */ 2: - cmpl EXT(curr_ipl),%edx /* same ipl as current? */ - je 1f /* yes, all done */ - movl %edx,EXT(curr_ipl) /* set ipl */ + CPU_NUMBER(%eax) + cmpl CX(EXT(curr_ipl),%eax),%edx /* same ipl as current? */ + je 1f /* yes, all done */ + movl %edx,CX(EXT(curr_ipl),%eax) /* set ipl */ #ifdef MACH_XEN movl EXT(int_mask)(,%edx,4),%eax /* get int mask */ @@ -206,9 +212,10 @@ splx_cli: .align TEXT_ALIGN .globl spl spl: + CPU_NUMBER(%eax) #if (MACH_KDB || MACH_TTD) && !defined(MACH_XEN) /* First make sure that if we're exitting from ipl7, IF is still cleared */ - cmpl $SPL7,EXT(curr_ipl) /* from ipl7? */ + cmpl $SPL7,CX(EXT(curr_ipl),%eax) /* from ipl7? */ jne 0f pushfq popq %rax @@ -225,7 +232,8 @@ spl: /* get int mask */ #endif cli /* disable interrupts */ - xchgl EXT(curr_ipl),%edx /* set ipl */ + CPU_NUMBER(%eax) + xchgl CX(EXT(curr_ipl),%eax),%edx /* set ipl */ #ifdef MACH_XEN XEN_SETMASK() /* program PICs with new mask */ #endif |