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Add diagnostics program.

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This commit is contained in:
Matthieu Bucchianeri 2025-02-16 19:14:07 -08:00
parent e16aa4c1c5
commit 90fd560c72
5 changed files with 393 additions and 37 deletions
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68
XTMax/Code/XTMax/bootrom.h
View File

@ -1,14 +1,14 @@
#define BOOTROM_ADDR 0xce000
unsigned char BOOTROM[] = {
85, 170, 4, 6, 80, 81, 82, 86, 250, 184, 150, 5, 232, 2, 5, 232,
2, 4, 115, 3, 233, 168, 0, 184, 216, 5, 232, 244, 4, 49, 192, 142,
192, 38, 161, 78, 0, 186, 131, 2, 239, 232, 3, 5, 184, 177, 6, 232,
223, 4, 38, 161, 76, 0, 186, 133, 2, 239, 232, 242, 4, 184, 181, 6,
85, 170, 4, 6, 80, 81, 82, 86, 250, 184, 157, 5, 232, 2, 5, 232,
2, 4, 115, 3, 233, 168, 0, 184, 223, 5, 232, 244, 4, 49, 192, 142,
192, 38, 161, 78, 0, 186, 131, 2, 239, 232, 3, 5, 184, 150, 5, 232,
223, 4, 38, 161, 76, 0, 186, 133, 2, 239, 232, 242, 4, 184, 154, 5,
232, 206, 4, 184, 0, 206, 38, 163, 78, 0, 184, 198, 0, 38, 163, 76,
0, 184, 53, 6, 232, 186, 4, 184, 64, 0, 142, 192, 38, 160, 117, 0,
4, 128, 186, 130, 2, 238, 80, 232, 197, 4, 184, 181, 6, 232, 161, 4,
184, 80, 6, 232, 155, 4, 38, 254, 6, 117, 0, 38, 160, 117, 0, 48,
228, 232, 171, 4, 184, 181, 6, 232, 135, 4, 88, 49, 201, 142, 193, 60,
0, 184, 60, 6, 232, 186, 4, 184, 64, 0, 142, 192, 38, 160, 117, 0,
4, 128, 186, 130, 2, 238, 80, 232, 197, 4, 184, 154, 5, 232, 161, 4,
184, 87, 6, 232, 155, 4, 38, 254, 6, 117, 0, 38, 160, 117, 0, 48,
228, 232, 171, 4, 184, 154, 5, 232, 135, 4, 88, 49, 201, 142, 193, 60,
128, 117, 16, 184, 0, 206, 38, 163, 6, 1, 184, 170, 1, 38, 163, 4,
1, 235, 14, 184, 0, 206, 38, 163, 26, 1, 184, 170, 1, 38, 163, 24,
1, 184, 0, 206, 38, 163, 98, 0, 184, 129, 3, 38, 163, 96, 0, 251,
@ -25,8 +25,8 @@ unsigned char BOOTROM[] = {
206, 1, 98, 2, 39, 3, 144, 1, 144, 1, 144, 1, 66, 3, 102, 3,
144, 1, 144, 1, 88, 3, 102, 3, 144, 1, 144, 1, 102, 3, 102, 3,
144, 1, 144, 1, 102, 3, 104, 3, 144, 1, 144, 1, 144, 1, 102, 3,
80, 184, 107, 6, 232, 122, 3, 88, 80, 136, 224, 48, 228, 232, 143, 3,
184, 181, 6, 232, 107, 3, 88, 233, 203, 1, 0, 4, 255, 0, 0, 255,
80, 184, 114, 6, 232, 122, 3, 88, 80, 136, 224, 48, 228, 232, 143, 3,
184, 154, 5, 232, 107, 3, 88, 233, 203, 1, 0, 4, 255, 0, 0, 255,
255, 0, 200, 0, 0, 0, 0, 0, 63, 0, 6, 189, 64, 0, 142, 197,
48, 228, 38, 134, 38, 116, 0, 132, 228, 116, 1, 249, 7, 195, 132, 192,
117, 3, 233, 160, 1, 80, 48, 228, 137, 198, 83, 232, 229, 1, 137, 197,
@ -58,8 +58,8 @@ unsigned char BOOTROM[] = {
195, 180, 170, 249, 195, 180, 1, 249, 195, 180, 4, 249, 195, 48, 228, 248,
195, 49, 192, 142, 216, 142, 192, 185, 0, 1, 191, 0, 124, 243, 171, 186,
130, 2, 236, 136, 194, 48, 246, 184, 1, 2, 185, 1, 0, 187, 0, 124,
205, 19, 129, 62, 254, 125, 85, 170, 117, 15, 184, 136, 6, 232, 97, 1,
49, 192, 142, 192, 234, 0, 124, 0, 0, 184, 162, 6, 232, 82, 1, 251,
205, 19, 129, 62, 254, 125, 85, 170, 117, 15, 184, 143, 6, 232, 97, 1,
49, 192, 142, 192, 234, 0, 124, 0, 0, 184, 169, 6, 232, 82, 1, 251,
244, 235, 253, 49, 192, 49, 219, 82, 81, 82, 136, 200, 36, 192, 209, 224,
209, 224, 136, 232, 185, 255, 0, 247, 225, 90, 136, 241, 48, 237, 1, 200,
177, 63, 247, 225, 89, 81, 48, 237, 128, 225, 63, 73, 1, 200, 131, 210,
@ -73,8 +73,8 @@ unsigned char BOOTROM[] = {
215, 4, 185, 5, 0, 180, 1, 232, 64, 0, 114, 39, 186, 135, 2, 176,
250, 238, 190, 221, 4, 185, 1, 0, 180, 1, 232, 45, 0, 190, 227, 4,
185, 1, 0, 180, 0, 232, 34, 0, 115, 9, 186, 135, 2, 236, 132, 192,
116, 224, 249, 94, 90, 89, 91, 31, 114, 8, 184, 243, 5, 232, 113, 0,
88, 195, 184, 22, 6, 232, 105, 0, 88, 195, 186, 128, 2, 176, 255, 238,
116, 224, 249, 94, 90, 89, 91, 31, 114, 8, 184, 250, 5, 232, 113, 0,
88, 195, 184, 29, 6, 232, 105, 0, 88, 195, 186, 128, 2, 176, 255, 238,
81, 185, 6, 0, 252, 172, 238, 226, 252, 185, 8, 0, 236, 60, 255, 225,
251, 89, 56, 224, 118, 3, 249, 235, 4, 248, 236, 226, 253, 176, 255, 238,
195, 64, 0, 0, 0, 0, 149, 72, 0, 0, 1, 170, 135, 119, 0, 0,
@ -89,25 +89,25 @@ unsigned char BOOTROM[] = {
16, 137, 214, 177, 4, 211, 238, 131, 230, 15, 138, 132, 134, 5, 180, 14,
205, 16, 137, 214, 131, 230, 15, 138, 132, 134, 5, 180, 14, 205, 16, 94,
90, 89, 91, 31, 157, 195, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
65, 66, 67, 68, 69, 70, 66, 111, 111, 116, 82, 79, 77, 32, 102, 111,
114, 32, 88, 84, 77, 97, 120, 32, 118, 49, 46, 48, 13, 10, 67, 111,
112, 121, 114, 105, 103, 104, 116, 32, 40, 99, 41, 32, 50, 48, 50, 53,
32, 77, 97, 116, 116, 104, 105, 101, 117, 32, 66, 117, 99, 99, 104, 105,
97, 110, 101, 114, 105, 13, 10, 0, 79, 108, 100, 32, 73, 78, 84, 49,
51, 104, 32, 86, 101, 99, 116, 111, 114, 32, 32, 32, 32, 32, 32, 32,
61, 32, 0, 83, 68, 32, 67, 97, 114, 100, 32, 105, 110, 105, 116, 105,
97, 108, 105, 122, 101, 100, 32, 115, 117, 99, 99, 101, 115, 115, 102, 117,
108, 108, 121, 13, 10, 0, 83, 68, 32, 67, 97, 114, 100, 32, 102, 97,
105, 108, 101, 100, 32, 116, 111, 32, 105, 110, 105, 116, 105, 97, 108, 105,
122, 101, 13, 10, 0, 70, 105, 120, 101, 100, 32, 68, 105, 115, 107, 32,
73, 68, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 61, 32, 0,
84, 111, 116, 97, 108, 32, 70, 105, 120, 101, 100, 32, 68, 105, 115, 107,
32, 68, 114, 105, 118, 101, 115, 32, 61, 32, 0, 85, 110, 115, 117, 112,
112, 111, 114, 116, 101, 100, 32, 73, 78, 84, 49, 51, 104, 32, 70, 117,
110, 99, 116, 105, 111, 110, 32, 0, 66, 111, 111, 116, 105, 110, 103, 32,
102, 114, 111, 109, 32, 83, 68, 32, 67, 97, 114, 100, 46, 46, 46, 13,
10, 0, 78, 111, 116, 32, 98, 111, 111, 116, 97, 98, 108, 101, 13, 10,
0, 58, 0, 32, 0, 13, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0,
65, 66, 67, 68, 69, 70, 58, 0, 32, 0, 13, 10, 0, 66, 111, 111,
116, 82, 79, 77, 32, 102, 111, 114, 32, 88, 84, 77, 97, 120, 32, 118,
49, 46, 48, 13, 10, 67, 111, 112, 121, 114, 105, 103, 104, 116, 32, 40,
99, 41, 32, 50, 48, 50, 53, 32, 77, 97, 116, 116, 104, 105, 101, 117,
32, 66, 117, 99, 99, 104, 105, 97, 110, 101, 114, 105, 13, 10, 0, 79,
108, 100, 32, 73, 78, 84, 49, 51, 104, 32, 86, 101, 99, 116, 111, 114,
32, 32, 32, 32, 32, 32, 32, 61, 32, 0, 83, 68, 32, 67, 97, 114,
100, 32, 105, 110, 105, 116, 105, 97, 108, 105, 122, 101, 100, 32, 115, 117,
99, 99, 101, 115, 115, 102, 117, 108, 108, 121, 13, 10, 0, 83, 68, 32,
67, 97, 114, 100, 32, 102, 97, 105, 108, 101, 100, 32, 116, 111, 32, 105,
110, 105, 116, 105, 97, 108, 105, 122, 101, 13, 10, 0, 70, 105, 120, 101,
100, 32, 68, 105, 115, 107, 32, 73, 68, 32, 32, 32, 32, 32, 32, 32,
32, 32, 32, 32, 61, 32, 0, 84, 111, 116, 97, 108, 32, 70, 105, 120,
101, 100, 32, 68, 105, 115, 107, 32, 68, 114, 105, 118, 101, 115, 32, 61,
32, 0, 85, 110, 115, 117, 112, 112, 111, 114, 116, 101, 100, 32, 73, 78,
84, 49, 51, 104, 32, 70, 117, 110, 99, 116, 105, 111, 110, 32, 0, 66,
111, 111, 116, 105, 110, 103, 32, 102, 114, 111, 109, 32, 83, 68, 32, 67,
97, 114, 100, 46, 46, 46, 13, 10, 0, 78, 111, 116, 32, 98, 111, 111,
116, 97, 98, 108, 101, 13, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@ -127,4 +127,4 @@ unsigned char BOOTROM[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 80};
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 157};

3
XTMax/Drivers/BootROM/bootrom.asm
View File

@ -1320,9 +1320,6 @@ unsupported_msg db 'Unsupported INT13h Function ', 0
boot_msg db 'Booting from SD Card...', 0xD, 0xA, 0
no_boot_msg db 'Not bootable', 0xD, 0xA, 0
%endif
colon db ':', 0
space db ' ', 0
newline db 0xD, 0xA, 0
%ifdef DEBUG
handler_msg db 'INT13h Function ', 0

1
XTMax/Drivers/BootROM/build.cmd
View File

@ -1,2 +1,3 @@
..\Driver_Build_Tools\NASM\nasm.exe -f bin -o bootrom.com -DAS_COM_PROGRAM .\bootrom.asm
..\Driver_Build_Tools\NASM\nasm.exe -f bin -o bootrom .\bootrom.asm & python checksum.py & python generate_header.py
..\Driver_Build_Tools\NASM\nasm.exe -f bin -o xtmdiags.com .\diags.asm

354
XTMax/Drivers/BootROM/diags.asm Normal file
View File

@ -0,0 +1,354 @@
org 0x100
;
; The base I/O port for the XTMAX SD Card.
;
%define XTMAX_IO_BASE (0x280)
%define REG_SCRATCH_0 (XTMAX_IO_BASE+2) ; fixed disk id
%define REG_SCRATCH_1 (XTMAX_IO_BASE+3) ; BIOS INT13h segment
%define REG_SCRATCH_2 (XTMAX_IO_BASE+4) ; BIOS INT13h segment
%define REG_SCRATCH_3 (XTMAX_IO_BASE+5) ; BIOS INT13h offset
%define REG_SCRATCH_4 (XTMAX_IO_BASE+6) ; BIOS INT13h offset
entry:
mov ax, welcome_msg
call print_string
;
; Inspect the INT13h and the HDNUM
;
mov ax, current_13h_msg
call print_string
xor ax, ax ; INT vector segment
mov es, ax
mov ax, es:[0x13*4+2]
call print_hex
mov ax, colon
call print_string
mov ax, es:[0x13*4]
call print_hex
mov ax, newline
call print_string
mov ax, saved_13h_msg
call print_string
mov dx, REG_SCRATCH_1
in ax, dx
call print_hex
mov ax, colon
call print_string
mov dx, REG_SCRATCH_3
in ax, dx
call print_hex
mov ax, newline
call print_string
mov ax, hdnum_msg
call print_string
mov ax, 0x40 ; BIOS data area
mov es, ax
mov al, es:[0x75] ; HDNUM
call print_hex_byte
mov ax, newline
call print_string
mov ax, disk_id_msg
call print_string
mov dx, REG_SCRATCH_0
in al, dx
xor ah, ah
call print_hex_byte
mov ax, newline
call print_string
mov ax, newline
call print_string
;
; Inspect the Fixed Disk Parameters Tables
;
mov ax, disk80_fdpt_msg
call print_string
xor ax, ax ; INT vector segment
mov es, ax
mov ax, es:[0x41*4+2]
mov bx, ax
call print_hex
mov ax, colon
call print_string
mov ax, es:[0x41*4]
mov si, ax
call print_hex
mov ax, newline
call print_string
mov ax, space
call print_string
mov ax, space
call print_string
mov es, bx
mov cx, 18
.dump_disk80_fdpt:
mov al, es:[si]
inc si
call print_hex_byte
mov ax, space
call print_string
loop .dump_disk80_fdpt
mov ax, newline
call print_string
mov ax, disk81_fdpt_msg
call print_string
xor ax, ax ; INT vector segment
mov es, ax
mov ax, es:[0x46*4+2]
mov bx, ax
call print_hex
mov ax, colon
call print_string
mov ax, es:[0x46*4]
mov si, ax
call print_hex
mov ax, newline
call print_string
mov ax, space
call print_string
mov ax, space
call print_string
mov es, bx
mov cx, 18
.dump_disk81_fdpt:
mov al, es:[si]
inc si
call print_hex_byte
mov ax, space
call print_string
loop .dump_disk81_fdpt
mov ax, newline
call print_string
mov ax, newline
call print_string
;
; Invoke Read Parameters on the fixed disks.
;
mov ax, parm_disk80_msg
call print_string
xor ax, ax
xor bx, bx
xor cx, cx
xor dx, dx
xor si, si
xor di, di
xor bp, bp
mov dl, 0x80
mov ah, 0x08
call dump_regs
int 0x13
call dump_regs
mov ax, newline
call print_string
mov ax, parm_disk81_msg
call print_string
xor ax, ax
xor bx, bx
xor cx, cx
xor dx, dx
xor si, si
xor di, di
xor bp, bp
mov dl, 0x81
mov ah, 0x08
call dump_regs
int 0x13
call dump_regs
; wait for kbd
mov ah, 0x01
int 0x21
mov ax, newline
call print_string
;
; Read First Sector on the fixed disks.
;
xor ax, ax
mov cx, 256
mov di, buf_read
rep stosw
mov ax, read_disk80_msg
call print_string
xor ax, ax
xor bx, bx
xor cx, cx
xor dx, dx
xor si, si
xor di, di
xor bp, bp
mov dl, 0x80
mov ah, 0x02
mov bx, ds
mov es, bx
mov bx, buf_read
mov ch, 0
mov cl, 1
mov dh, 0
mov al, 1
call dump_regs
int 0x13
call dump_regs
mov ax, newline
call print_string
mov cx, 16
mov si, buf_read
.dump_disk80_sector_1:
lodsb
call print_hex_byte
mov ax, space
call print_string
loop .dump_disk80_sector_1
mov ax, newline
call print_string
mov ax, dotdotdot
call print_string
mov cx, 16
add si, 512-16-16
.dump_disk80_sector_2:
lodsb
call print_hex_byte
mov ax, space
call print_string
loop .dump_disk80_sector_2
mov ax, newline
call print_string
mov ax, newline
call print_string
xor ax, ax
mov cx, 256
mov di, buf_read
rep stosw
mov ax, read_disk81_msg
call print_string
xor ax, ax
xor bx, bx
xor cx, cx
xor dx, dx
xor si, si
xor di, di
xor bp, bp
mov dl, 0x81
mov ah, 0x02
mov bx, ds
mov es, bx
mov bx, buf_read
mov ch, 0
mov cl, 1
mov dh, 0
mov al, 1
call dump_regs
int 0x13
call dump_regs
mov ax, newline
call print_string
mov cx, 16
mov si, buf_read
.dump_disk81_sector_1:
lodsb
call print_hex_byte
mov ax, space
call print_string
loop .dump_disk81_sector_1
mov ax, newline
call print_string
mov ax, dotdotdot
call print_string
mov cx, 16
add si, 512-16-16
.dump_disk81_sector_2:
lodsb
call print_hex_byte
mov ax, space
call print_string
loop .dump_disk81_sector_2
mov ax, newline
call print_string
;
; DOS exit program.
;
mov ah, 0x4c
xor al, al
int 0x21
buf_read times 512 db 0
;
; General utilities
;
%define AS_COM_PROGRAM
%include "utils.inc"
;
; Display an 8-bit value in hex.
; in: AL = value
; out: AX = <TRASH>
;
print_hex_byte:
pushf
push ds
push bx
push cx
push dx
push si
mov dl, al
xor ah, ah
%ifndef AS_COM_PROGRAM
mov ax, ROM_SEGMENT
mov ds, ax
%endif
xor bx, bx
cld
.nibble1:
mov si, dx
mov cl, 4
shr si, cl
and si, 0xf
mov al, [hex_map+si]
mov ah, 0xe
int 0x10
.nibble2:
mov si, dx
and si, 0xf
mov al, [hex_map+si]
mov ah, 0xe
int 0x10
pop si
pop dx
pop cx
pop bx
pop ds
popf
ret
;
; Strings
;
welcome_msg db 'XTMax BootROM diagnostics', 0xD, 0xA, 0xD, 0xA, 0
current_13h_msg db 'Current INT13h Vector = ', 0
saved_13h_msg db 'Saved INT13h Vector = ', 0
hdnum_msg db 'BIOS Data Area HDNUM = ', 0
disk_id_msg db 'XTMax Fixed Disk ID = ', 0
disk80_fdpt_msg db 'Fixed Disk 80h Parameters Table = ', 0
disk81_fdpt_msg db 'Fixed Disk 81h Parameters Table = ', 0
parm_disk80_msg db 'Call Fixed Disk 80h Read Parameters', 0xD, 0xA, 0
parm_disk81_msg db 'Call Fixed Disk 81h Read Parameters', 0xD, 0xA, 0
read_disk80_msg db 'Read First Sector on Fixed Disk 80h', 0xD, 0xA, 0
read_disk81_msg db 'Read First Sector on Fixed Disk 81h', 0xD, 0xA, 0
dotdotdot db '[...]', 0xD, 0xA, 0

4
XTMax/Drivers/BootROM/utils.inc
View File

@ -142,3 +142,7 @@ dump_regs:
registers_msg db ' AX BX CX DX DS SI ES DI BP FLAGS', 0xD, 0xA, 0
%endif
colon db ':', 0
space db ' ', 0
newline db 0xD, 0xA, 0