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Fix 58 functions LBA read, was earlier read only IDE0 the hard disk, now are read all.

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git-svn-id: svn://kolibrios.org@64 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Marat Zakiyanov (Mario79) 2006-03-25 18:49:24 +00:00
parent 5db3c3adc1
commit f08ff6ca70
1 changed files with 38 additions and 35 deletions
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73
kernel/trunk/fs/fs.inc
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@ -63,7 +63,7 @@ file_system:
; \begin{diamond}[18.03.2006]
; for subfunction 16 (start application) error codes must be negative
; because positive values are valid PIDs
; because positive values are valid PIDs
; so possible return values are:
; eax > 0 : process created, eax=PID
@ -85,7 +85,7 @@ file_system:
; \end{diamond}[18.03.2006]
; Extract parameters
add eax, std_application_base_address ; abs start of info block
add eax, std_application_base_address ; abs start of info block
cmp dword [eax+0],12 ; Get file size
je fs_read
@ -163,14 +163,14 @@ endg
; root - only read is allowed
; other operations return "access denied", eax=10
; (execute operation returns eax=-10)
cmp dword [eax], 0
jz .read_root
mov ecx, 10
cmp dword [eax], 16
jnz @f
neg ecx
@@: mov [esp+36], ecx
ret
cmp dword [eax], 0
jz .read_root
mov ecx, 10
cmp dword [eax], 16
jnz @f
neg ecx
@@: mov [esp+36], ecx
ret
.read_root:
; \end{diamond}[18.03.2006]
mov esi,dir0
@ -178,7 +178,7 @@ endg
add edi,std_application_base_address
mov ecx,11
push ecx
; cld ; already is
; cld ; already is
rep movsb
mov al,0x10
stosb
@ -234,7 +234,7 @@ endg
lea esi,[eax+20] ; abs start of dir + filename
mov edi,[eax+16]
add edi,std_application_base_address ; abs start of work area
add edi,std_application_base_address ; abs start of work area
call expand_pathz
@ -319,7 +319,7 @@ endg
mov ebx, [esp+12]
add ebx, std_application_base_address
no_fl_start_param:
mov edx,[esp+16] ; flags
mov edx,[esp+16] ; flags
call start_application_fl
@ -439,12 +439,12 @@ endg
add ebx,[esp+12]
no_flp_start_param:
mov edx,[esp+16] ; flags
mov edx,[esp+16] ; flags
call start_application_floppy
file_system_startapp_return:
mov ebx, [esp+24+24] ; do not modify ebx in application
mov ebx, [esp+24+24] ; do not modify ebx in application
jmp file_system_return
fs_noflpdisk_start_application:
@ -541,10 +541,10 @@ choice_necessity_partition_1:
fs_yesharddisk_all:
mov eax,1
cmp dword [esp+20], 16
jnz @f
neg eax
@@: mov ebx, [esp+24+24]
cmp dword [esp+20], 16
jnz @f
neg eax
@@: mov ebx, [esp+24+24]
cmp [hdpos],0 ; is hd base set?
jz hd_err_return
cmp [fat32part],0 ; is partition set?
@ -783,7 +783,7 @@ hd_err_return:
mov ebp, [esp+12]
add ebp, std_application_base_address
no_hd_start_param:
mov edx,[esp+16] ; flags
mov edx,[esp+16] ; flags
call start_application_hd
@ -793,12 +793,12 @@ hd_err_return:
fs_noharddisk:
; \begin{diamond}[18.03.2006]
mov eax, 5 ; file not found
mov eax, 5 ; file not found
; à ìîæåò áûòü, âîçâðàùàòü äðóãîé êîä îøèáêè?
cmp dword [esp+20], 16
jnz @f
neg eax
@@: mov ebx, [esp+24+24] ; do not change ebx in application
cmp dword [esp+20], 16
jnz @f
neg eax
@@: mov ebx, [esp+24+24] ; do not change ebx in application
; \end{diamond}[18.03.2006]
file_system_return:
@ -816,16 +816,16 @@ hd_err_return:
; /RD,/FD,/HD - only read is allowed
; other operations return "access denied", eax=10
; (execute operation returns eax=-10)
cmp dword [esp+20], 0
jz .read
add esp, 20
pop ecx
mov eax, 10
cmp ecx, 16
jnz @f
neg eax
@@: mov [esp+36], eax
ret
cmp dword [esp+20], 0
jz .read
add esp, 20
pop ecx
mov eax, 10
cmp ecx, 16
jnz @f
neg eax
@@: mov [esp+36], eax
ret
.read:
; \end{diamond}[18.03.2006]
mov al,0x10
@ -931,6 +931,9 @@ LBA_read:
mov eax,[edi+0]
mov ebx,[edi+4]
mov [hdbase],eax
mov [hdid],ebx
call wait_for_hd_idle
; eax = hd port