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Changed phys_zero to phys_fill, which accepts a 4-byte argument saying what

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to fill with. Changed prototype and call to match.
This commit is contained in:
Ben Gras 2005-07-18 12:18:16 +00:00
parent 5cd673c5ba
commit 42e6d20afe
3 changed files with 10 additions and 10 deletions
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16
kernel/klib386.s
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@ -26,7 +26,7 @@
.define _enable_irq ! enable an irq at the 8259 controller
.define _disable_irq ! disable an irq
.define _phys_copy ! copy data from anywhere to anywhere in memory
.define _phys_zero ! zero data anywhere in memory
.define _phys_fill ! zero data anywhere in memory
.define _mem_rdw ! copy one word from [segment:offset]
.define _reset ! reset the system
.define _idle_task ! task executed when there is no work
@ -440,14 +440,14 @@ pc_small:
ret
!*===========================================================================*
!* phys_zero *
!* phys_fill *
!*===========================================================================*
! PUBLIC void phys_zero(phys_bytes source, phys_bytes bytecount);
! PUBLIC void phys_fill(phys_bytes source, phys_bytes bytecount, char char);
! Zero a block of physical memory.
.align 16
_phys_zero:
_phys_fill:
push ebp
mov ebp, esp
push esi
@ -457,13 +457,13 @@ _phys_zero:
mov eax, 12(ebp)
mov ebx, FLAT_DS_SELECTOR
mov ds, bx
mov ebx, 16(ebp)
shr eax, 2
zero_start:
mov (esi), 0
fill_start:
mov (esi), ebx
add esi, 4
dec eax
jnz zero_start
zero_done:
jnz fill_start
pop ds
pop ebx
pop esi

2
kernel/proto.h
View file

@ -88,7 +88,7 @@ _PROTOTYPE( int disable_irq, (irq_hook_t *hook) );
_PROTOTYPE( u16_t mem_rdw, (U16_t segm, vir_bytes offset) );
_PROTOTYPE( void phys_copy, (phys_bytes source, phys_bytes dest,
phys_bytes count) );
_PROTOTYPE( void phys_zero, (phys_bytes source, phys_bytes count) );
_PROTOTYPE( void phys_fill, (phys_bytes source, phys_bytes count, unsigned long pattern) );
_PROTOTYPE( void phys_insb, (U16_t port, phys_bytes buf, size_t count) );
_PROTOTYPE( void phys_insw, (U16_t port, phys_bytes buf, size_t count) );
_PROTOTYPE( void phys_outsb, (U16_t port, phys_bytes buf, size_t count));

2
kernel/system/do_memset.c
View file

@ -18,7 +18,7 @@ PUBLIC int do_memset(m_ptr)
register message *m_ptr;
{
/* Handle sys_memset(). */
phys_zero((phys_bytes) m_ptr->MEM_PTR, (phys_bytes) m_ptr->MEM_COUNT);
phys_fill((phys_bytes) m_ptr->MEM_PTR, (phys_bytes) m_ptr->MEM_COUNT, 0);
return(OK);
}