changed informational strings

This commit is contained in:
2024-10-17 14:15:49 -04:00
parent 85a8f0da1c
commit 2b3ab1dc3a
2 changed files with 38 additions and 35 deletions

View File

@@ -114,8 +114,7 @@ ALIGN 4, db 0x90
SearchFATDIR: SearchFATDIR:
__CDECL16_ENTRY __CDECL16_ENTRY
.file_lookup: .file_lookup:
print_string SearchFATDIR_INFO_cstr print_string SearchFATDIR_info
.load_first_dir: .load_first_dir:
mov eax, dword [fat32_state + FAT32_State_t.curr_dir_cluster_32] mov eax, dword [fat32_state + FAT32_State_t.curr_dir_cluster_32]
push dword eax ; cluster push dword eax ; cluster
@@ -183,7 +182,7 @@ SearchFATDIR:
jmp SearchFATDIR.empty_dir_entry jmp SearchFATDIR.empty_dir_entry
.parse_dir: .parse_dir:
print_string MaybeFound_Boot_INFO_cstr print_string MaybeFound_Boot_info
.lfn_check: .lfn_check:
; check for ATTR_READ_ONLY | ATTR_HIDDEN | ATTR_SYSTEM | ATTR_VOLUME_ID (0x0F) in offset 11 ; check for ATTR_READ_ONLY | ATTR_HIDDEN | ATTR_SYSTEM | ATTR_VOLUME_ID (0x0F) in offset 11
; TODO: going to skip LFN for now, since all valid volumes will have SFN's ; TODO: going to skip LFN for now, since all valid volumes will have SFN's
@@ -219,7 +218,7 @@ ALIGN 4, db 0x90
NextCluster: NextCluster:
__CDECL16_ENTRY __CDECL16_ENTRY
.func: .func:
print_string NextFATCluster_INFO_cstr print_string NextFATCluster_info
mov edx, dword [bp + 4] mov edx, dword [bp + 4]
mov si, fat32_nc_data ; instead of push/pop and moving the data back mov si, fat32_nc_data ; instead of push/pop and moving the data back
mov di, fat32_bpb ; load si & di then use xchg mov di, fat32_bpb ; load si & di then use xchg
@@ -329,7 +328,7 @@ ALIGN 4, db 0x90
ReadFATCluster: ReadFATCluster:
__CDECL16_ENTRY __CDECL16_ENTRY
.func: .func:
print_string ReadFATCluster_INFO_cstr print_string ReadFATCluster_info
mov bx, word [boot_drive_ptr] mov bx, word [boot_drive_ptr]
movzx ax, byte [ds:bx] movzx ax, byte [ds:bx]

View File

@@ -135,8 +135,8 @@ main:
mov byte [bp - 2], dl ; boot_drive (probably 0x80) mov byte [bp - 2], dl ; boot_drive (probably 0x80)
mov word [bp - 4], si ; partition_offset mov word [bp - 4], si ; partition_offset
mov word [bp - 6], bx ; partition_table mov word [bp - 6], bx ; partition_table_vbr
mov word [bp - 8], dx ; fat32_bpb mov word [bp - 8], dx ; fat32_bpb_vbr
.check_sig: .check_sig:
mov eax, dword [STAGE2_SIG] mov eax, dword [STAGE2_SIG]
cmp eax, 0xDEADBEEF cmp eax, 0xDEADBEEF
@@ -163,35 +163,35 @@ main:
call SetTextMode call SetTextMode
call disable_cursor call disable_cursor
print_string HelloPrompt_cstr print_string HelloPrompt_info
; enable A20 gate ; enable A20 gate
call EnableA20 call EnableA20
print_string A20_Enabled_OK_cstr print_string A20_Enabled_OK_info
; enter unreal mode ; enter unreal mode
call EnterUnrealMode call EnterUnrealMode
print_string UnrealMode_OK_cstr print_string UnrealMode_OK_info
; get system memory map ; get system memory map
call GetMemoryMap call GetMemoryMap
print_string MemoryMap_OK_cstr print_string MemoryMap_OK_info
; FAT Driver setup ; FAT Driver setup
call InitFATDriver call InitFATDriver
print_string InitFATSYS_OK_cstr print_string InitFATSYS_OK_info
; ;
; Find first cluster of bootable file ; Find first cluster of bootable file
call SearchFATDIR call SearchFATDIR
push dword eax ; save first cluster of bootable file push dword eax ; save first cluster of bootable file
print_string FileFound_OK_cstr print_string FileFound_OK_info
pop dword eax pop dword eax
push dword eax ; print Cluster of boot file push dword eax ; print Cluster of boot file
call PrintDWORD ; void PrintDWORD(uint32_t dword) call PrintDWORD ; void PrintDWORD(uint32_t dword)
print_string NewLine_cstr print_string NewLine_info
; TODO: using first cluster information, start loading the kernel to memory ; TODO: using first cluster information, start loading the kernel to memory
; TODO: going to need an elf parser, some unreal mode file buffer functions to move the data ; TODO: going to need an elf parser, some unreal mode file buffer functions to move the data
@@ -261,7 +261,7 @@ ALIGN 4, db 0x90
PrintDWORD: PrintDWORD:
__CDECL16_ENTRY __CDECL16_ENTRY
.func: .func:
lea si, [IntToHex_table] mov si, IntToHex_table
mov ebx, 16 ; base-16 mov ebx, 16 ; base-16
mov eax, dword [bp + 4] ;val mov eax, dword [bp + 4] ;val
@@ -375,39 +375,43 @@ begin_data:
; ;
; ############# ; #############
%macro define_str 2 %macro define_cstr 2
ALIGN 16 ALIGN 16
%1_str: %1_cstr:
db %2 db %2, 00h
%define str_len %strlen(%2) ; string %define str_len %strlen(%2) ; string
%1_str_len: %1_cstr_len:
dd str_len dw str_len
%endmacro %endmacro
; TODO: technically this is a cstr but it splices a return and newline on the end ; TODO: technically this is a cstr but it splices a return and newline on the end
; TODO: this probably should be seperated out and the printing functionality should ; TODO: this probably should be seperated out and the printing functionality should
; TODO: place that newline and return ; TODO: place that newline and return
%macro define_cstr 2 %macro define_info 2
%define CRLF_NUL 0Dh, 0Ah, 00h %define CRLF_NUL 0Dh, 0Ah, 00h
ALIGN 16 ALIGN 16
%1_cstr: %1_info:
db %2, CRLF_NUL db %2, CRLF_NUL
%endmacro %endmacro
define_cstr HelloPrompt, "Hello from Stevia Stage2!" define_info HelloPrompt, "Hello from Stevia Stage2!"
define_cstr A20_Enabled_OK, "A20 Enabled OK" define_info A20_Enabled_OK, "A20 Enabled OK"
define_cstr MemoryMap_OK, "Memory map OK" define_info MemoryMap_OK, "Memory map OK"
define_cstr UnrealMode_OK, "Unreal mode OK" define_info UnrealMode_OK, "Unreal mode OK"
define_cstr FileFound_OK, "Found SFN entry for bootable binary, first cluster -> " define_info FileFound_OK, "Found SFN entry for bootable binary, first cluster -> "
define_cstr InitFATSYS_OK, "FAT32 Driver Init..." define_info InitFATSYS_OK, "FAT32 Driver Init..."
define_cstr SearchFATDIR_INFO, "Searching FAT DIR for bootable file..." define_info SearchFATDIR, "Searching FAT DIR for bootable file..."
define_cstr NextFATCluster_INFO, "Attempting to find next FAT cluster..." define_info NextFATCluster, "Attempting to find next FAT cluster..."
define_cstr ReadFATCluster_INFO, "Attempting to load next FAT" define_info ReadFATCluster, "Attempting to load next FAT"
define_cstr MaybeFound_Boot_INFO, "Maybe found a file...checking..." define_info MaybeFound_Boot, "Maybe found a file...checking..."
define_cstr NewLine, "" define_info NewLine, ""
define_str BootTarget, "BOOT BIN" define_cstr BootTarget, "BOOT BIN"
ALIGN 16, db 0
BootTarget_str:
db 'BOOT BIN'
ALIGN 16 ALIGN 16
IntToHex_table: IntToHex_table: