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uefi64kos: Fix reporting of file size

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git-svn-id: svn://kolibrios.org@9286 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Ivan Baravy 2021-11-17 23:17:45 +00:00
parent 09e9a9558f
commit 0dc168b130
1 changed files with 4 additions and 9 deletions
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11
kernel/trunk/bootloader/uefi4kos/uefi64kos.asm
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@ -45,9 +45,6 @@ E820_UNUSABLE = 5
E820_PMEM = 7
proc load_file _root, _name, _buffer, _size, _fatal
locals
.status dq ?
endl
mov [_root], rcx
mov [_name], rdx
mov [_buffer], r8
@ -58,7 +55,7 @@ endl
r11, EFI_FILE_MODE_READ, 0
test eax, eax
jz @f
xor eax, eax
mov [_size], 0
cmp [_fatal], 1
jnz .done
mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
@ -69,17 +66,15 @@ endl
fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, [_name]
jmp $
@@:
lea rdx, [_size]
mov r8, [_buffer]
mov r10, [file_handle]
fstcall [r10+EFI_FILE_PROTOCOL.Read], [file_handle], rdx, r8
mov r10, [file_handle]
fstcall [r10+EFI_FILE_PROTOCOL.Close], [file_handle]
mov rax, [_size]
.done:
mov [.status], rax
call clearbuf
mov rax, [_size]
mov rdi, msg
call num2dec
mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
@ -87,7 +82,7 @@ endl
msg_file_size
mov rcx, [rbx+EFI_SYSTEM_TABLE.ConOut]
fstcall [rcx+EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString], rcx, msg
mov rax, [.status]
mov rax, [_size]
ret
endp