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The atomic and system_time function are now included in the

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kernel_os_arch_x86.o file that is genereated by libroot.
Removed duplicate implementations from this file.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4337 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
beveloper 2003-08-20 02:23:44 +00:00
parent 67fd74cd28
commit 2fdb794edc
1 changed files with 0 additions and 87 deletions
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87
src/kernel/core/arch/x86/arch_x86.S
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@ -10,93 +10,6 @@
.text
/* int32 atomic_add(vint32 *val, int32 incr) */
FUNCTION(atomic_add):
movl 4(%esp),%edx
movl 8(%esp),%eax
lock
xaddl %eax,(%edx)
ret
/* int32 atomic_and(vint32 *val, int32 incr) */
FUNCTION(atomic_and):
movl 4(%esp),%edx
_atomic_and1:
movl 8(%esp),%ecx
movl (%edx),%eax
andl %eax,%ecx
lock
cmpxchgl %ecx,(%edx)
jnz _atomic_and1
ret
/* int32 atomic_or(vint32 *val, int32 incr) */
FUNCTION(atomic_or):
movl 4(%esp),%edx
_atomic_or1:
movl 8(%esp),%ecx
movl (%edx),%eax
orl %eax,%ecx
lock
cmpxchgl %ecx,(%edx)
jnz _atomic_or1
ret
/* int32 atomic_set(vint32 *val, int32 set_to) */
FUNCTION(atomic_set):
movl 4(%esp),%edx
movl 8(%esp),%eax
xchg %eax,(%edx)
ret
/* int32 test_and_set(vint32 *val, int32 set_to, int32 test_val) */
FUNCTION(test_and_set):
movl 4(%esp),%edx
movl 8(%esp),%ecx
movl 12(%esp),%eax
lock
cmpxchgl %ecx,(%edx)
ret
/* saves the conversion factor needed for system_time */
.global cv_factor
cv_factor:
.word 0
FUNCTION(setup_system_time):
movl 4(%esp),%eax
movl %eax,cv_factor
ret
/* uint64 system_time(); */
FUNCTION(system_time):
/* load 64-bit factor into %eax (low), %edx (high) */
rdtsc /* time in %edx,%eax */
pushl %ebx
movl cv_factor, %ebx
movl %edx, %ecx /* save high half */
mull %ebx /* truncate %eax, but keep %edx */
movl %ecx, %eax
movl %edx, %ecx /* save high half of low */
mull %ebx /*, %eax*/
/* now compute [%edx, %eax] + [%ecx], propagating carry */
subl %ebx, %ebx /* need zero to propagate carry */
addl %ecx, %eax
adc %ebx, %edx
popl %ebx
ret
/* void arch_cpu_global_TLB_invalidate(); */
FUNCTION(arch_cpu_global_TLB_invalidate):
movl %cr3,%eax