diff options
Diffstat (limited to 'sw/z80')
30 files changed, 151 insertions, 1414 deletions
diff --git a/sw/z80/build/kernel/filesystem.asm b/sw/z80/build/kernel/filesystem.asm deleted file mode 100644 index f868b5a..0000000 --- a/sw/z80/build/kernel/filesystem.asm +++ /dev/null @@ -1,117 +0,0 @@ -;-------------------------------------------------------- -; File Created by SDCC : free open source ANSI-C Compiler -; Version 3.5.0 #9253 (Mar 24 2016) (Linux) -; This file was generated Wed Aug 23 21:44:59 2017 -;-------------------------------------------------------- - .module filesystem - .optsdcc -mz80 - -;-------------------------------------------------------- -; Public variables in this module -;-------------------------------------------------------- - .globl _fs_parse_superblock - .globl _fs_parse_path - .globl _fs_get_inode - .globl _fs_new_inode - .globl _fs_free_inode - .globl _fs_chmod - .globl _fs_chown - .globl _fs_rename -;-------------------------------------------------------- -; special function registers -;-------------------------------------------------------- -;-------------------------------------------------------- -; ram data -;-------------------------------------------------------- - .area _DATA -;-------------------------------------------------------- -; ram data -;-------------------------------------------------------- - .area _INITIALIZED -;-------------------------------------------------------- -; absolute external ram data -;-------------------------------------------------------- - .area _DABS (ABS) -;-------------------------------------------------------- -; global & static initialisations -;-------------------------------------------------------- - .area _HOME - .area _GSINIT - .area _GSFINAL - .area _GSINIT -;-------------------------------------------------------- -; Home -;-------------------------------------------------------- - .area _HOME - .area _HOME -;-------------------------------------------------------- -; code -;-------------------------------------------------------- - .area _CODE -;kernel/filesystem.c:3: struct filesystem * fs_parse_superblock(struct filesystem *fs) -; --------------------------------- -; Function fs_parse_superblock -; --------------------------------- -_fs_parse_superblock:: -;kernel/filesystem.c:5: return 0; - ld hl,#0x0000 - ret -;kernel/filesystem.c:9: uint16_t fs_parse_path(const char *path) -; --------------------------------- -; Function fs_parse_path -; --------------------------------- -_fs_parse_path:: -;kernel/filesystem.c:11: return 0; - ld hl,#0x0000 - ld e,l - ld d,h - ret -;kernel/filesystem.c:15: inode_t * fs_get_inode(inode_t *buffer, uint16_t i_number) -; --------------------------------- -; Function fs_get_inode -; --------------------------------- -_fs_get_inode:: -;kernel/filesystem.c:17: return 0; - ld hl,#0x0000 - ret -;kernel/filesystem.c:20: inode_t * fs_new_inode(inode_t *inode, const char *name) -; --------------------------------- -; Function fs_new_inode -; --------------------------------- -_fs_new_inode:: -;kernel/filesystem.c:22: return 0; - ld hl,#0x0000 - ret -;kernel/filesystem.c:25: int fs_free_inode(const inode_t *inode) -; --------------------------------- -; Function fs_free_inode -; --------------------------------- -_fs_free_inode:: -;kernel/filesystem.c:27: return 0; - ld hl,#0x0000 - ret -;kernel/filesystem.c:30: void fs_chmod(inode_t *inode, uint8_t mode) -; --------------------------------- -; Function fs_chmod -; --------------------------------- -_fs_chmod:: -;kernel/filesystem.c:32: } - ret -;kernel/filesystem.c:34: void fs_chown(inode_t *inode, uint8_t uid) -; --------------------------------- -; Function fs_chown -; --------------------------------- -_fs_chown:: -;kernel/filesystem.c:37: } - ret -;kernel/filesystem.c:39: int fs_rename(inode_t *inode, const char *name) -; --------------------------------- -; Function fs_rename -; --------------------------------- -_fs_rename:: -;kernel/filesystem.c:41: return 0; - ld hl,#0x0000 - ret - .area _CODE - .area _INITIALIZER - .area _CABS (ABS) diff --git a/sw/z80/build/kernel/filesystem.lst b/sw/z80/build/kernel/filesystem.lst deleted file mode 100644 index 80ecda7..0000000 --- a/sw/z80/build/kernel/filesystem.lst +++ /dev/null @@ -1,117 +0,0 @@ - 1 ;-------------------------------------------------------- - 2 ; File Created by SDCC : free open source ANSI-C Compiler - 3 ; Version 3.5.0 #9253 (Mar 24 2016) (Linux) - 4 ; This file was generated Wed Aug 23 21:44:59 2017 - 5 ;-------------------------------------------------------- - 6 .module filesystem - 7 .optsdcc -mz80 - 8 - 9 ;-------------------------------------------------------- - 10 ; Public variables in this module - 11 ;-------------------------------------------------------- - 12 .globl _fs_parse_superblock - 13 .globl _fs_parse_path - 14 .globl _fs_get_inode - 15 .globl _fs_new_inode - 16 .globl _fs_free_inode - 17 .globl _fs_chmod - 18 .globl _fs_chown - 19 .globl _fs_rename - 20 ;-------------------------------------------------------- - 21 ; special function registers - 22 ;-------------------------------------------------------- - 23 ;-------------------------------------------------------- - 24 ; ram data - 25 ;-------------------------------------------------------- - 26 .area _DATA - 27 ;-------------------------------------------------------- - 28 ; ram data - 29 ;-------------------------------------------------------- - 30 .area _INITIALIZED - 31 ;-------------------------------------------------------- - 32 ; absolute external ram data - 33 ;-------------------------------------------------------- - 34 .area _DABS (ABS) - 35 ;-------------------------------------------------------- - 36 ; global & static initialisations - 37 ;-------------------------------------------------------- - 38 .area _HOME - 39 .area _GSINIT - 40 .area _GSFINAL - 41 .area _GSINIT - 42 ;-------------------------------------------------------- - 43 ; Home - 44 ;-------------------------------------------------------- - 45 .area _HOME - 46 .area _HOME - 47 ;-------------------------------------------------------- - 48 ; code - 49 ;-------------------------------------------------------- - 50 .area _CODE - 51 ;kernel/filesystem.c:3: struct filesystem * fs_parse_superblock(struct filesystem *fs) - 52 ; --------------------------------- - 53 ; Function fs_parse_superblock - 54 ; --------------------------------- - 0000 55 _fs_parse_superblock:: - 56 ;kernel/filesystem.c:5: return 0; - 0000 21 00 00 [10] 57 ld hl,#0x0000 - 0003 C9 [10] 58 ret - 59 ;kernel/filesystem.c:9: uint16_t fs_parse_path(const char *path) - 60 ; --------------------------------- - 61 ; Function fs_parse_path - 62 ; --------------------------------- - 0004 63 _fs_parse_path:: - 64 ;kernel/filesystem.c:11: return 0; - 0004 21 00 00 [10] 65 ld hl,#0x0000 - 0007 5D [ 4] 66 ld e,l - 0008 54 [ 4] 67 ld d,h - 0009 C9 [10] 68 ret - 69 ;kernel/filesystem.c:15: inode_t * fs_get_inode(inode_t *buffer, uint16_t i_number) - 70 ; --------------------------------- - 71 ; Function fs_get_inode - 72 ; --------------------------------- - 000A 73 _fs_get_inode:: - 74 ;kernel/filesystem.c:17: return 0; - 000A 21 00 00 [10] 75 ld hl,#0x0000 - 000D C9 [10] 76 ret - 77 ;kernel/filesystem.c:20: inode_t * fs_new_inode(inode_t *inode, const char *name) - 78 ; --------------------------------- - 79 ; Function fs_new_inode - 80 ; --------------------------------- - 000E 81 _fs_new_inode:: - 82 ;kernel/filesystem.c:22: return 0; - 000E 21 00 00 [10] 83 ld hl,#0x0000 - 0011 C9 [10] 84 ret - 85 ;kernel/filesystem.c:25: int fs_free_inode(const inode_t *inode) - 86 ; --------------------------------- - 87 ; Function fs_free_inode - 88 ; --------------------------------- - 0012 89 _fs_free_inode:: - 90 ;kernel/filesystem.c:27: return 0; - 0012 21 00 00 [10] 91 ld hl,#0x0000 - 0015 C9 [10] 92 ret - 93 ;kernel/filesystem.c:30: void fs_chmod(inode_t *inode, uint8_t mode) - 94 ; --------------------------------- - 95 ; Function fs_chmod - 96 ; --------------------------------- - 0016 97 _fs_chmod:: - 98 ;kernel/filesystem.c:32: } - 0016 C9 [10] 99 ret - 100 ;kernel/filesystem.c:34: void fs_chown(inode_t *inode, uint8_t uid) - 101 ; --------------------------------- - 102 ; Function fs_chown - 103 ; --------------------------------- - 0017 104 _fs_chown:: - 105 ;kernel/filesystem.c:37: } - 0017 C9 [10] 106 ret - 107 ;kernel/filesystem.c:39: int fs_rename(inode_t *inode, const char *name) - 108 ; --------------------------------- - 109 ; Function fs_rename - 110 ; --------------------------------- - 0018 111 _fs_rename:: - 112 ;kernel/filesystem.c:41: return 0; - 0018 21 00 00 [10] 113 ld hl,#0x0000 - 001B C9 [10] 114 ret - 115 .area _CODE - 116 .area _INITIALIZER - 117 .area _CABS (ABS) diff --git a/sw/z80/build/kernel/filesystem.rel b/sw/z80/build/kernel/filesystem.rel deleted file mode 100644 index 3ccb28f..0000000 --- a/sw/z80/build/kernel/filesystem.rel +++ /dev/null @@ -1,54 +0,0 @@ -XL2 -H 9 areas 9 global symbols -M filesystem -O -mz80 -S .__.ABS. Def0000 -A _CODE size 1C flags 0 addr 0 -S _fs_get_inode Def000A -S _fs_parse_superblock Def0000 -S _fs_rename Def0018 -S _fs_new_inode Def000E -S _fs_chmod Def0016 -S _fs_free_inode Def0012 -S _fs_chown Def0017 -S _fs_parse_path Def0004 -A _DATA size 0 flags 0 addr 0 -A _INITIALIZED size 0 flags 0 addr 0 -A _DABS size 0 flags 8 addr 0 -A _HOME size 0 flags 0 addr 0 -A _GSINIT size 0 flags 0 addr 0 -A _GSFINAL size 0 flags 0 addr 0 -A _INITIALIZER size 0 flags 0 addr 0 -A _CABS size 0 flags 8 addr 0 -T 00 00 -R 00 00 00 00 -T 00 00 21 00 00 C9 -R 00 00 00 00 -T 04 00 -R 00 00 00 00 -T 04 00 21 00 00 5D 54 C9 -R 00 00 00 00 -T 0A 00 -R 00 00 00 00 -T 0A 00 21 00 00 C9 -R 00 00 00 00 -T 0E 00 -R 00 00 00 00 -T 0E 00 21 00 00 C9 -R 00 00 00 00 -T 12 00 -R 00 00 00 00 -T 12 00 21 00 00 C9 -R 00 00 00 00 -T 16 00 -R 00 00 00 00 -T 16 00 C9 -R 00 00 00 00 -T 17 00 -R 00 00 00 00 -T 17 00 C9 -R 00 00 00 00 -T 18 00 -R 00 00 00 00 -T 18 00 21 00 00 C9 -R 00 00 00 00 diff --git a/sw/z80/build/kernel/filesystem.sym b/sw/z80/build/kernel/filesystem.sym deleted file mode 100644 index 6e95911..0000000 --- a/sw/z80/build/kernel/filesystem.sym +++ /dev/null @@ -1,33 +0,0 @@ - ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 1. -Hexadecimal [16-Bits] - -Symbol Table - - .__.$$$. = 2710 L - .__.ABS. = 0000 G - .__.CPU. = 0000 L - .__.H$L. = 0000 L - 0 _fs_chmod 0016 GR - 0 _fs_chown 0017 GR - 0 _fs_free_inode 0012 GR - 0 _fs_get_inode 000A GR - 0 _fs_new_inode 000E GR - 0 _fs_parse_path 0004 GR - 0 _fs_parse_superblock 0000 GR - 0 _fs_rename 0018 GR - - ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 2. -Hexadecimal [16-Bits] - -Area Table - - 0 _CODE size 1C flags 0 - 1 _DATA size 0 flags 0 - 2 _INITIALIZED size 0 flags 0 - 3 _DABS size 0 flags 8 - 4 _HOME size 0 flags 0 - 5 _GSINIT size 0 flags 0 - 6 _GSFINAL size 0 flags 0 - 7 _INITIALIZER size 0 flags 0 - 8 _CABS size 0 flags 8 - diff --git a/sw/z80/build/kernel/kernel.asm b/sw/z80/build/kernel/kernel.asm deleted file mode 100644 index e0839fc..0000000 --- a/sw/z80/build/kernel/kernel.asm +++ /dev/null @@ -1,66 +0,0 @@ -;-------------------------------------------------------- -; File Created by SDCC : free open source ANSI-C Compiler -; Version 3.5.0 #9253 (Mar 24 2016) (Linux) -; This file was generated Wed Aug 23 21:44:59 2017 -;-------------------------------------------------------- - .module kernel - .optsdcc -mz80 - -;-------------------------------------------------------- -; Public variables in this module -;-------------------------------------------------------- - .globl _kmain - .globl _usart_init -;-------------------------------------------------------- -; special function registers -;-------------------------------------------------------- -;-------------------------------------------------------- -; ram data -;-------------------------------------------------------- - .area _DATA -;-------------------------------------------------------- -; ram data -;-------------------------------------------------------- - .area _INITIALIZED -;-------------------------------------------------------- -; absolute external ram data -;-------------------------------------------------------- - .area _DABS (ABS) -;-------------------------------------------------------- -; global & static initialisations -;-------------------------------------------------------- - .area _HOME - .area _GSINIT - .area _GSFINAL - .area _GSINIT -;-------------------------------------------------------- -; Home -;-------------------------------------------------------- - .area _HOME - .area _HOME -;-------------------------------------------------------- -; code -;-------------------------------------------------------- - .area _CODE -;kernel/kernel.c:4: void kmain(void) -; --------------------------------- -; Function kmain -; --------------------------------- -_kmain:: -;kernel/kernel.c:6: usart_init(USART_BAUDRATE_9600, USART_PARITY_EVEN, USART_STOP_BITS_1); - ld hl,#0x000A - push hl - ld l, #0x01 - push hl - ld hl,#0x0000 - push hl - ld hl,#0x000C - push hl - call _usart_init - ld hl,#8 - add hl,sp - ld sp,hl - ret - .area _CODE - .area _INITIALIZER - .area _CABS (ABS) diff --git a/sw/z80/build/kernel/kernel.lst b/sw/z80/build/kernel/kernel.lst deleted file mode 100644 index e839f83..0000000 --- a/sw/z80/build/kernel/kernel.lst +++ /dev/null @@ -1,66 +0,0 @@ - 1 ;-------------------------------------------------------- - 2 ; File Created by SDCC : free open source ANSI-C Compiler - 3 ; Version 3.5.0 #9253 (Mar 24 2016) (Linux) - 4 ; This file was generated Wed Aug 23 21:44:59 2017 - 5 ;-------------------------------------------------------- - 6 .module kernel - 7 .optsdcc -mz80 - 8 - 9 ;-------------------------------------------------------- - 10 ; Public variables in this module - 11 ;-------------------------------------------------------- - 12 .globl _kmain - 13 .globl _usart_init - 14 ;-------------------------------------------------------- - 15 ; special function registers - 16 ;-------------------------------------------------------- - 17 ;-------------------------------------------------------- - 18 ; ram data - 19 ;-------------------------------------------------------- - 20 .area _DATA - 21 ;-------------------------------------------------------- - 22 ; ram data - 23 ;-------------------------------------------------------- - 24 .area _INITIALIZED - 25 ;-------------------------------------------------------- - 26 ; absolute external ram data - 27 ;-------------------------------------------------------- - 28 .area _DABS (ABS) - 29 ;-------------------------------------------------------- - 30 ; global & static initialisations - 31 ;-------------------------------------------------------- - 32 .area _HOME - 33 .area _GSINIT - 34 .area _GSFINAL - 35 .area _GSINIT - 36 ;-------------------------------------------------------- - 37 ; Home - 38 ;-------------------------------------------------------- - 39 .area _HOME - 40 .area _HOME - 41 ;-------------------------------------------------------- - 42 ; code - 43 ;-------------------------------------------------------- - 44 .area _CODE - 45 ;kernel/kernel.c:4: void kmain(void) - 46 ; --------------------------------- - 47 ; Function kmain - 48 ; --------------------------------- - 0000 49 _kmain:: - 50 ;kernel/kernel.c:6: usart_init(USART_BAUDRATE_9600, USART_PARITY_EVEN, USART_STOP_BITS_1); - 0000 21 0A 00 [10] 51 ld hl,#0x000A - 0003 E5 [11] 52 push hl - 0004 2E 01 [ 7] 53 ld l, #0x01 - 0006 E5 [11] 54 push hl - 0007 21 00 00 [10] 55 ld hl,#0x0000 - 000A E5 [11] 56 push hl - 000B 21 0C 00 [10] 57 ld hl,#0x000C - 000E E5 [11] 58 push hl - 000F CDr00r00 [17] 59 call _usart_init - 0012 21 08 00 [10] 60 ld hl,#8 - 0015 39 [11] 61 add hl,sp - 0016 F9 [ 6] 62 ld sp,hl - 0017 C9 [10] 63 ret - 64 .area _CODE - 65 .area _INITIALIZER - 66 .area _CABS (ABS) diff --git a/sw/z80/build/kernel/kernel.rel b/sw/z80/build/kernel/kernel.rel deleted file mode 100644 index 103d026..0000000 --- a/sw/z80/build/kernel/kernel.rel +++ /dev/null @@ -1,22 +0,0 @@ -XL2 -H 9 areas 3 global symbols -M kernel -O -mz80 -S .__.ABS. Def0000 -S _usart_init Ref0000 -A _CODE size 18 flags 0 addr 0 -S _kmain Def0000 -A _DATA size 0 flags 0 addr 0 -A _INITIALIZED size 0 flags 0 addr 0 -A _DABS size 0 flags 8 addr 0 -A _HOME size 0 flags 0 addr 0 -A _GSINIT size 0 flags 0 addr 0 -A _GSFINAL size 0 flags 0 addr 0 -A _INITIALIZER size 0 flags 0 addr 0 -A _CABS size 0 flags 8 addr 0 -T 00 00 -R 00 00 00 00 -T 00 00 21 0A 00 E5 2E 01 E5 21 00 00 E5 21 0C 00 -R 00 00 00 00 -T 0E 00 E5 CD 00 00 21 08 00 39 F9 C9 -R 00 00 00 00 02 04 01 00 diff --git a/sw/z80/build/kernel/kernel.sym b/sw/z80/build/kernel/kernel.sym deleted file mode 100644 index b5145d5..0000000 --- a/sw/z80/build/kernel/kernel.sym +++ /dev/null @@ -1,27 +0,0 @@ - ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 1. -Hexadecimal [16-Bits] - -Symbol Table - - .__.$$$. = 2710 L - .__.ABS. = 0000 G - .__.CPU. = 0000 L - .__.H$L. = 0000 L - 0 _kmain 0000 GR - _usart_init **** GX - - ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 2. -Hexadecimal [16-Bits] - -Area Table - - 0 _CODE size 18 flags 0 - 1 _DATA size 0 flags 0 - 2 _INITIALIZED size 0 flags 0 - 3 _DABS size 0 flags 8 - 4 _HOME size 0 flags 0 - 5 _GSINIT size 0 flags 0 - 6 _GSFINAL size 0 flags 0 - 7 _INITIALIZER size 0 flags 0 - 8 _CABS size 0 flags 8 - diff --git a/sw/z80/build/kernel/memory.asm b/sw/z80/build/kernel/memory.asm deleted file mode 100644 index ffa5214..0000000 --- a/sw/z80/build/kernel/memory.asm +++ /dev/null @@ -1,186 +0,0 @@ -;-------------------------------------------------------- -; File Created by SDCC : free open source ANSI-C Compiler -; Version 3.5.0 #9253 (Mar 24 2016) (Linux) -; This file was generated Wed Aug 23 21:44:59 2017 -;-------------------------------------------------------- - .module memory - .optsdcc -mz80 - -;-------------------------------------------------------- -; Public variables in this module -;-------------------------------------------------------- - .globl _pages_table - .globl _mmu_write_table - .globl _page_map - .globl _page_unmap -;-------------------------------------------------------- -; special function registers -;-------------------------------------------------------- -;-------------------------------------------------------- -; ram data -;-------------------------------------------------------- - .area _DATA -_pages_table:: - .ds 192 -;-------------------------------------------------------- -; ram data -;-------------------------------------------------------- - .area _INITIALIZED -;-------------------------------------------------------- -; absolute external ram data -;-------------------------------------------------------- - .area _DABS (ABS) -;-------------------------------------------------------- -; global & static initialisations -;-------------------------------------------------------- - .area _HOME - .area _GSINIT - .area _GSFINAL - .area _GSINIT -;-------------------------------------------------------- -; Home -;-------------------------------------------------------- - .area _HOME - .area _HOME -;-------------------------------------------------------- -; code -;-------------------------------------------------------- - .area _CODE -;kernel/memory.c:5: int mmu_write_table(void) -; --------------------------------- -; Function mmu_write_table -; --------------------------------- -_mmu_write_table:: -;kernel/memory.c:9: for (i = 0; i < PAGES_MAX_COUNT; i++) { - ld hl,#0x0000 -00102$: - inc hl - ld a,l - sub a, #0x20 - ld a,h - rla - ccf - rra - sbc a, #0x80 - jr C,00102$ -;kernel/memory.c:15: return 0; - ld hl,#0x0000 - ret -;kernel/memory.c:18: int page_map(int page, int pid, uint16_t addr) -; --------------------------------- -; Function page_map -; --------------------------------- -_page_map:: - push ix - ld ix,#0 - add ix,sp -;kernel/memory.c:20: if (page >= PAGES_MAX_COUNT) - ld a,4 (ix) - sub a, #0x20 - ld a,5 (ix) - rla - ccf - rra - sbc a, #0x80 - jr C,00102$ -;kernel/memory.c:21: return -1; - ld hl,#0xFFFF - jr 00105$ -00102$: -;kernel/memory.c:23: if (pages_table[page].used) - ld de,#_pages_table+0 - ld c,4 (ix) - ld b,5 (ix) - ld l, c - ld h, b - add hl, hl - add hl, bc - add hl, hl - add hl,de - ld c,l - ld b,h - ld a,(hl) - and a,#0x01 - jr Z,00104$ -;kernel/memory.c:24: return -2; - ld hl,#0xFFFE - jr 00105$ -00104$: -;kernel/memory.c:26: pages_table[page].addr = addr; - ld e, c - ld d, b - inc de - inc de - push bc - ld hl, #0x000A - add hl, sp - ld bc, #0x0004 - ldir - pop bc -;kernel/memory.c:27: pages_table[page].pid = pid; - ld l, c - ld h, b - inc hl - ld a,6 (ix) - ld (hl),a -;kernel/memory.c:29: pages_table[page].used = 1; - ld a,(bc) - or a,#0x01 - ld (bc),a -;kernel/memory.c:30: return 0; - ld hl,#0x0000 -00105$: - pop ix - ret -;kernel/memory.c:33: int page_unmap(int page) -; --------------------------------- -; Function page_unmap -; --------------------------------- -_page_unmap:: - push ix - ld ix,#0 - add ix,sp -;kernel/memory.c:35: if (page >= PAGES_MAX_COUNT) - ld a,4 (ix) - sub a, #0x20 - ld a,5 (ix) - rla - ccf - rra - sbc a, #0x80 - jr C,00102$ -;kernel/memory.c:36: return -1; - ld hl,#0xFFFF - jr 00105$ -00102$: -;kernel/memory.c:38: if (pages_table[page].used == 0) - ld de,#_pages_table+0 - ld c,4 (ix) - ld b,5 (ix) - ld l, c - ld h, b - add hl, hl - add hl, bc - add hl, hl - add hl,de - ld e,l - ld d,h - ld a,(hl) - and a,#0x01 - jr NZ,00104$ -;kernel/memory.c:39: return -2; - ld hl,#0xFFFE - jr 00105$ -00104$: -;kernel/memory.c:41: pages_table[page].used = 0; - ld a,(de) - and a,#0xFE - ld (de),a -;kernel/memory.c:42: return 0; - ld hl,#0x0000 -00105$: - pop ix - ret - .area _CODE - .area _INITIALIZER - .area _CABS (ABS) diff --git a/sw/z80/build/kernel/memory.lst b/sw/z80/build/kernel/memory.lst deleted file mode 100644 index 5f229f5..0000000 --- a/sw/z80/build/kernel/memory.lst +++ /dev/null @@ -1,186 +0,0 @@ - 1 ;-------------------------------------------------------- - 2 ; File Created by SDCC : free open source ANSI-C Compiler - 3 ; Version 3.5.0 #9253 (Mar 24 2016) (Linux) - 4 ; This file was generated Wed Aug 23 21:44:59 2017 - 5 ;-------------------------------------------------------- - 6 .module memory - 7 .optsdcc -mz80 - 8 - 9 ;-------------------------------------------------------- - 10 ; Public variables in this module - 11 ;-------------------------------------------------------- - 12 .globl _pages_table - 13 .globl _mmu_write_table - 14 .globl _page_map - 15 .globl _page_unmap - 16 ;-------------------------------------------------------- - 17 ; special function registers - 18 ;-------------------------------------------------------- - 19 ;-------------------------------------------------------- - 20 ; ram data - 21 ;-------------------------------------------------------- - 22 .area _DATA - 0000 23 _pages_table:: - 0000 24 .ds 192 - 25 ;-------------------------------------------------------- - 26 ; ram data - 27 ;-------------------------------------------------------- - 28 .area _INITIALIZED - 29 ;-------------------------------------------------------- - 30 ; absolute external ram data - 31 ;-------------------------------------------------------- - 32 .area _DABS (ABS) - 33 ;-------------------------------------------------------- - 34 ; global & static initialisations - 35 ;-------------------------------------------------------- - 36 .area _HOME - 37 .area _GSINIT - 38 .area _GSFINAL - 39 .area _GSINIT - 40 ;-------------------------------------------------------- - 41 ; Home - 42 ;-------------------------------------------------------- - 43 .area _HOME - 44 .area _HOME - 45 ;-------------------------------------------------------- - 46 ; code - 47 ;-------------------------------------------------------- - 48 .area _CODE - 49 ;kernel/memory.c:5: int mmu_write_table(void) - 50 ; --------------------------------- - 51 ; Function mmu_write_table - 52 ; --------------------------------- - 0000 53 _mmu_write_table:: - 54 ;kernel/memory.c:9: for (i = 0; i < PAGES_MAX_COUNT; i++) { - 0000 21 00 00 [10] 55 ld hl,#0x0000 - 0003 56 00102$: - 0003 23 [ 6] 57 inc hl - 0004 7D [ 4] 58 ld a,l - 0005 D6 20 [ 7] 59 sub a, #0x20 - 0007 7C [ 4] 60 ld a,h - 0008 17 [ 4] 61 rla - 0009 3F [ 4] 62 ccf - 000A 1F [ 4] 63 rra - 000B DE 80 [ 7] 64 sbc a, #0x80 - 000D 38 F4 [12] 65 jr C,00102$ - 66 ;kernel/memory.c:15: return 0; - 000F 21 00 00 [10] 67 ld hl,#0x0000 - 0012 C9 [10] 68 ret - 69 ;kernel/memory.c:18: int page_map(int page, int pid, uint16_t addr) - 70 ; --------------------------------- - 71 ; Function page_map - 72 ; --------------------------------- - 0013 73 _page_map:: - 0013 DD E5 [15] 74 push ix - 0015 DD 21 00 00 [14] 75 ld ix,#0 - 0019 DD 39 [15] 76 add ix,sp - 77 ;kernel/memory.c:20: if (page >= PAGES_MAX_COUNT) - 001B DD 7E 04 [19] 78 ld a,4 (ix) - 001E D6 20 [ 7] 79 sub a, #0x20 - 0020 DD 7E 05 [19] 80 ld a,5 (ix) - 0023 17 [ 4] 81 rla - 0024 3F [ 4] 82 ccf - 0025 1F [ 4] 83 rra - 0026 DE 80 [ 7] 84 sbc a, #0x80 - 0028 38 05 [12] 85 jr C,00102$ - 86 ;kernel/memory.c:21: return -1; - 002A 21 FF FF [10] 87 ld hl,#0xFFFF - 002D 18 38 [12] 88 jr 00105$ - 002F 89 00102$: - 90 ;kernel/memory.c:23: if (pages_table[page].used) - 002F 11r00r00 [10] 91 ld de,#_pages_table+0 - 0032 DD 4E 04 [19] 92 ld c,4 (ix) - 0035 DD 46 05 [19] 93 ld b,5 (ix) - 0038 69 [ 4] 94 ld l, c - 0039 60 [ 4] 95 ld h, b - 003A 29 [11] 96 add hl, hl - 003B 09 [11] 97 add hl, bc - 003C 29 [11] 98 add hl, hl - 003D 19 [11] 99 add hl,de - 003E 4D [ 4] 100 ld c,l - 003F 44 [ 4] 101 ld b,h - 0040 7E [ 7] 102 ld a,(hl) - 0041 E6 01 [ 7] 103 and a,#0x01 - 0043 28 05 [12] 104 jr Z,00104$ - 105 ;kernel/memory.c:24: return -2; - 0045 21 FE FF [10] 106 ld hl,#0xFFFE - 0048 18 1D [12] 107 jr 00105$ - 004A 108 00104$: - 109 ;kernel/memory.c:26: pages_table[page].addr = addr; - 004A 59 [ 4] 110 ld e, c - 004B 50 [ 4] 111 ld d, b - 004C 13 [ 6] 112 inc de - 004D 13 [ 6] 113 inc de - 004E C5 [11] 114 push bc - 004F 21 0A 00 [10] 115 ld hl, #0x000A - 0052 39 [11] 116 add hl, sp - 0053 01 04 00 [10] 117 ld bc, #0x0004 - 0056 ED B0 [21] 118 ldir - 0058 C1 [10] 119 pop bc - 120 ;kernel/memory.c:27: pages_table[page].pid = pid; - 0059 69 [ 4] 121 ld l, c - 005A 60 [ 4] 122 ld h, b - 005B 23 [ 6] 123 inc hl - 005C DD 7E 06 [19] 124 ld a,6 (ix) - 005F 77 [ 7] 125 ld (hl),a - 126 ;kernel/memory.c:29: pages_table[page].used = 1; - 0060 0A [ 7] 127 ld a,(bc) - 0061 F6 01 [ 7] 128 or a,#0x01 - 0063 02 [ 7] 129 ld (bc),a - 130 ;kernel/memory.c:30: return 0; - 0064 21 00 00 [10] 131 ld hl,#0x0000 - 0067 132 00105$: - 0067 DD E1 [14] 133 pop ix - 0069 C9 [10] 134 ret - 135 ;kernel/memory.c:33: int page_unmap(int page) - 136 ; --------------------------------- - 137 ; Function page_unmap - 138 ; --------------------------------- - 006A 139 _page_unmap:: - 006A DD E5 [15] 140 push ix - 006C DD 21 00 00 [14] 141 ld ix,#0 - 0070 DD 39 [15] 142 add ix,sp - 143 ;kernel/memory.c:35: if (page >= PAGES_MAX_COUNT) - 0072 DD 7E 04 [19] 144 ld a,4 (ix) - 0075 D6 20 [ 7] 145 sub a, #0x20 - 0077 DD 7E 05 [19] 146 ld a,5 (ix) - 007A 17 [ 4] 147 rla - 007B 3F [ 4] 148 ccf - 007C 1F [ 4] 149 rra - 007D DE 80 [ 7] 150 sbc a, #0x80 - 007F 38 05 [12] 151 jr C,00102$ - 152 ;kernel/memory.c:36: return -1; - 0081 21 FF FF [10] 153 ld hl,#0xFFFF - 0084 18 22 [12] 154 jr 00105$ - 0086 155 00102$: - 156 ;kernel/memory.c:38: if (pages_table[page].used == 0) - 0086 11r00r00 [10] 157 ld de,#_pages_table+0 - 0089 DD 4E 04 [19] 158 ld c,4 (ix) - 008C DD 46 05 [19] 159 ld b,5 (ix) - 008F 69 [ 4] 160 ld l, c - 0090 60 [ 4] 161 ld h, b - 0091 29 [11] 162 add hl, hl - 0092 09 [11] 163 add hl, bc - 0093 29 [11] 164 add hl, hl - 0094 19 [11] 165 add hl,de - 0095 5D [ 4] 166 ld e,l - 0096 54 [ 4] 167 ld d,h - 0097 7E [ 7] 168 ld a,(hl) - 0098 E6 01 [ 7] 169 and a,#0x01 - 009A 20 05 [12] 170 jr NZ,00104$ - 171 ;kernel/memory.c:39: return -2; - 009C 21 FE FF [10] 172 ld hl,#0xFFFE - 009F 18 07 [12] 173 jr 00105$ - 00A1 174 00104$: - 175 ;kernel/memory.c:41: pages_table[page].used = 0; - 00A1 1A [ 7] 176 ld a,(de) - 00A2 E6 FE [ 7] 177 and a,#0xFE - 00A4 12 [ 7] 178 ld (de),a - 179 ;kernel/memory.c:42: return 0; - 00A5 21 00 00 [10] 180 ld hl,#0x0000 - 00A8 181 00105$: - 00A8 DD E1 [14] 182 pop ix - 00AA C9 [10] 183 ret - 184 .area _CODE - 185 .area _INITIALIZER - 186 .area _CABS (ABS) diff --git a/sw/z80/build/kernel/memory.rel b/sw/z80/build/kernel/memory.rel deleted file mode 100644 index a0cbbca..0000000 --- a/sw/z80/build/kernel/memory.rel +++ /dev/null @@ -1,76 +0,0 @@ -XL2 -H 9 areas 5 global symbols -M memory -O -mz80 -S .__.ABS. Def0000 -A _CODE size AB flags 0 addr 0 -S _page_map Def0013 -S _mmu_write_table Def0000 -S _page_unmap Def006A -A _DATA size C0 flags 0 addr 0 -S _pages_table Def0000 -A _INITIALIZED size 0 flags 0 addr 0 -A _DABS size 0 flags 8 addr 0 -A _HOME size 0 flags 0 addr 0 -A _GSINIT size 0 flags 0 addr 0 -A _GSFINAL size 0 flags 0 addr 0 -A _INITIALIZER size 0 flags 0 addr 0 -A _CABS size 0 flags 8 addr 0 -T 00 00 -R 00 00 01 00 -T 00 00 -R 00 00 01 00 -T 00 00 -R 00 00 00 00 -T 00 00 21 00 00 -R 00 00 00 00 -T 03 00 -R 00 00 00 00 -T 03 00 23 7D D6 20 7C 17 3F 1F DE 80 38 F4 21 -R 00 00 00 00 -T 10 00 00 00 C9 -R 00 00 00 00 -T 13 00 -R 00 00 00 00 -T 13 00 DD E5 DD 21 00 00 DD 39 DD 7E 04 D6 20 DD -R 00 00 00 00 -T 21 00 7E 05 17 3F 1F DE 80 38 05 21 FF FF 18 38 -R 00 00 00 00 -T 2F 00 -R 00 00 00 00 -T 2F 00 11 00 00 DD 4E 04 DD 46 05 69 60 29 09 29 -R 00 00 00 00 00 03 01 00 -T 3D 00 19 4D 44 7E E6 01 28 05 21 FE FF 18 1D -R 00 00 00 00 -T 4A 00 -R 00 00 00 00 -T 4A 00 59 50 13 13 C5 21 0A 00 39 01 04 00 ED B0 -R 00 00 00 00 -T 58 00 C1 69 60 23 DD 7E 06 77 0A F6 01 02 21 -R 00 00 00 00 -T 65 00 00 00 -R 00 00 00 00 -T 67 00 -R 00 00 00 00 -T 67 00 DD E1 C9 -R 00 00 00 00 -T 6A 00 -R 00 00 00 00 -T 6A 00 DD E5 DD 21 00 00 DD 39 DD 7E 04 D6 20 DD -R 00 00 00 00 -T 78 00 7E 05 17 3F 1F DE 80 38 05 21 FF FF 18 22 -R 00 00 00 00 -T 86 00 -R 00 00 00 00 -T 86 00 11 00 00 DD 4E 04 DD 46 05 69 60 29 09 29 -R 00 00 00 00 00 03 01 00 -T 94 00 19 5D 54 7E E6 01 20 05 21 FE FF 18 07 -R 00 00 00 00 -T A1 00 -R 00 00 00 00 -T A1 00 1A E6 FE 12 21 00 00 -R 00 00 00 00 -T A8 00 -R 00 00 00 00 -T A8 00 DD E1 C9 -R 00 00 00 00 diff --git a/sw/z80/build/kernel/memory.sym b/sw/z80/build/kernel/memory.sym deleted file mode 100644 index 26090e8..0000000 --- a/sw/z80/build/kernel/memory.sym +++ /dev/null @@ -1,30 +0,0 @@ - ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 1. -Hexadecimal [16-Bits] - -Symbol Table - - .__.$$$. = 2710 L - .__.ABS. = 0000 G - .__.CPU. = 0000 L - .__.H$L. = 0000 L - 0 _mmu_write_table 0000 GR - 0 _page_map 0013 GR - 0 _page_unmap 006A GR - 1 _pages_table 0000 GR - - - ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 2. -Hexadecimal [16-Bits] - -Area Table - - 0 _CODE size AB flags 0 - 1 _DATA size C0 flags 0 - 2 _INITIALIZED size 0 flags 0 - 3 _DABS size 0 flags 8 - 4 _HOME size 0 flags 0 - 5 _GSINIT size 0 flags 0 - 6 _GSFINAL size 0 flags 0 - 7 _INITIALIZER size 0 flags 0 - 8 _CABS size 0 flags 8 - diff --git a/sw/z80/build/kernel/process.asm b/sw/z80/build/kernel/process.asm deleted file mode 100644 index f50bb3d..0000000 --- a/sw/z80/build/kernel/process.asm +++ /dev/null @@ -1,89 +0,0 @@ -;-------------------------------------------------------- -; File Created by SDCC : free open source ANSI-C Compiler -; Version 3.5.0 #9253 (Mar 24 2016) (Linux) -; This file was generated Wed Aug 23 21:44:59 2017 -;-------------------------------------------------------- - .module process - .optsdcc -mz80 - -;-------------------------------------------------------- -; Public variables in this module -;-------------------------------------------------------- - .globl _proc_table - .globl _newpid - .globl _fork - .globl _exec - .globl _spawn -;-------------------------------------------------------- -; special function registers -;-------------------------------------------------------- -;-------------------------------------------------------- -; ram data -;-------------------------------------------------------- - .area _DATA -_proc_table:: - .ds 6375 -_newpid_last_pid_1_11: - .ds 1 -;-------------------------------------------------------- -; ram data -;-------------------------------------------------------- - .area _INITIALIZED -;-------------------------------------------------------- -; absolute external ram data -;-------------------------------------------------------- - .area _DABS (ABS) -;-------------------------------------------------------- -; global & static initialisations -;-------------------------------------------------------- - .area _HOME - .area _GSINIT - .area _GSFINAL - .area _GSINIT -;kernel/process.c:7: static pid_t last_pid = 0; - ld iy,#_newpid_last_pid_1_11 - ld 0 (iy),#0x00 -;-------------------------------------------------------- -; Home -;-------------------------------------------------------- - .area _HOME - .area _HOME -;-------------------------------------------------------- -; code -;-------------------------------------------------------- - .area _CODE -;kernel/process.c:5: pid_t newpid(void) -; --------------------------------- -; Function newpid -; --------------------------------- -_newpid:: -;kernel/process.c:8: return ++last_pid; - ld hl, #_newpid_last_pid_1_11+0 - inc (hl) - ld iy,#_newpid_last_pid_1_11 - ld l,0 (iy) - ret -;kernel/process.c:11: int fork(void) -; --------------------------------- -; Function fork -; --------------------------------- -_fork:: -;kernel/process.c:14: } - ret -;kernel/process.c:16: int exec(char *path, char *args) -; --------------------------------- -; Function exec -; --------------------------------- -_exec:: -;kernel/process.c:19: } - ret -;kernel/process.c:21: int spawn(char *path, char *args) -; --------------------------------- -; Function spawn -; --------------------------------- -_spawn:: -;kernel/process.c:24: } - ret - .area _CODE - .area _INITIALIZER - .area _CABS (ABS) diff --git a/sw/z80/build/kernel/process.lst b/sw/z80/build/kernel/process.lst deleted file mode 100644 index eb73943..0000000 --- a/sw/z80/build/kernel/process.lst +++ /dev/null @@ -1,89 +0,0 @@ - 1 ;-------------------------------------------------------- - 2 ; File Created by SDCC : free open source ANSI-C Compiler - 3 ; Version 3.5.0 #9253 (Mar 24 2016) (Linux) - 4 ; This file was generated Wed Aug 23 21:44:59 2017 - 5 ;-------------------------------------------------------- - 6 .module process - 7 .optsdcc -mz80 - 8 - 9 ;-------------------------------------------------------- - 10 ; Public variables in this module - 11 ;-------------------------------------------------------- - 12 .globl _proc_table - 13 .globl _newpid - 14 .globl _fork - 15 .globl _exec - 16 .globl _spawn - 17 ;-------------------------------------------------------- - 18 ; special function registers - 19 ;-------------------------------------------------------- - 20 ;-------------------------------------------------------- - 21 ; ram data - 22 ;-------------------------------------------------------- - 23 .area _DATA - 0000 24 _proc_table:: - 0000 25 .ds 6375 - 18E7 26 _newpid_last_pid_1_11: - 18E7 27 .ds 1 - 28 ;-------------------------------------------------------- - 29 ; ram data - 30 ;-------------------------------------------------------- - 31 .area _INITIALIZED - 32 ;-------------------------------------------------------- - 33 ; absolute external ram data - 34 ;-------------------------------------------------------- - 35 .area _DABS (ABS) - 36 ;-------------------------------------------------------- - 37 ; global & static initialisations - 38 ;-------------------------------------------------------- - 39 .area _HOME - 40 .area _GSINIT - 41 .area _GSFINAL - 42 .area _GSINIT - 43 ;kernel/process.c:7: static pid_t last_pid = 0; - 0000 FD 21rE7r18 [14] 44 ld iy,#_newpid_last_pid_1_11 - 0004 FD 36 00 00 [19] 45 ld 0 (iy),#0x00 - 46 ;-------------------------------------------------------- - 47 ; Home - 48 ;-------------------------------------------------------- - 49 .area _HOME - 50 .area _HOME - 51 ;-------------------------------------------------------- - 52 ; code - 53 ;-------------------------------------------------------- - 54 .area _CODE - 55 ;kernel/process.c:5: pid_t newpid(void) - 56 ; --------------------------------- - 57 ; Function newpid - 58 ; --------------------------------- - 0000 59 _newpid:: - 60 ;kernel/process.c:8: return ++last_pid; - 0000 21rE7r18 [10] 61 ld hl, #_newpid_last_pid_1_11+0 - 0003 34 [11] 62 inc (hl) - 0004 FD 21rE7r18 [14] 63 ld iy,#_newpid_last_pid_1_11 - 0008 FD 6E 00 [19] 64 ld l,0 (iy) - 000B C9 [10] 65 ret - 66 ;kernel/process.c:11: int fork(void) - 67 ; --------------------------------- - 68 ; Function fork - 69 ; --------------------------------- - 000C 70 _fork:: - 71 ;kernel/process.c:14: } - 000C C9 [10] 72 ret - 73 ;kernel/process.c:16: int exec(char *path, char *args) - 74 ; --------------------------------- - 75 ; Function exec - 76 ; --------------------------------- - 000D 77 _exec:: - 78 ;kernel/process.c:19: } - 000D C9 [10] 79 ret - 80 ;kernel/process.c:21: int spawn(char *path, char *args) - 81 ; --------------------------------- - 82 ; Function spawn - 83 ; --------------------------------- - 000E 84 _spawn:: - 85 ;kernel/process.c:24: } - 000E C9 [10] 86 ret - 87 .area _CODE - 88 .area _INITIALIZER - 89 .area _CABS (ABS) diff --git a/sw/z80/build/kernel/process.rel b/sw/z80/build/kernel/process.rel deleted file mode 100644 index f4908e9..0000000 --- a/sw/z80/build/kernel/process.rel +++ /dev/null @@ -1,45 +0,0 @@ -XL2 -H 9 areas 6 global symbols -M process -O -mz80 -S .__.ABS. Def0000 -A _CODE size F flags 0 addr 0 -S _exec Def000D -S _spawn Def000E -S _fork Def000C -S _newpid Def0000 -A _DATA size 18E8 flags 0 addr 0 -S _proc_table Def0000 -A _INITIALIZED size 0 flags 0 addr 0 -A _DABS size 0 flags 8 addr 0 -A _HOME size 0 flags 0 addr 0 -A _GSINIT size 8 flags 0 addr 0 -A _GSFINAL size 0 flags 0 addr 0 -A _INITIALIZER size 0 flags 0 addr 0 -A _CABS size 0 flags 8 addr 0 -T 00 00 -R 00 00 01 00 -T 00 00 -R 00 00 01 00 -T E7 18 -R 00 00 01 00 -T E7 18 -R 00 00 01 00 -T 00 00 FD 21 E7 18 FD 36 00 00 -R 00 00 05 00 00 04 01 00 -T 00 00 -R 00 00 00 00 -T 00 00 21 E7 18 34 FD 21 E7 18 FD 6E 00 C9 -R 00 00 00 00 00 03 01 00 00 08 01 00 -T 0C 00 -R 00 00 00 00 -T 0C 00 C9 -R 00 00 00 00 -T 0D 00 -R 00 00 00 00 -T 0D 00 C9 -R 00 00 00 00 -T 0E 00 -R 00 00 00 00 -T 0E 00 C9 -R 00 00 00 00 diff --git a/sw/z80/build/kernel/process.sym b/sw/z80/build/kernel/process.sym deleted file mode 100644 index f6884cd..0000000 --- a/sw/z80/build/kernel/process.sym +++ /dev/null @@ -1,32 +0,0 @@ - ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 1. -Hexadecimal [16-Bits] - -Symbol Table - - .__.$$$. = 2710 L - .__.ABS. = 0000 G - .__.CPU. = 0000 L - .__.H$L. = 0000 L - 0 _exec 000D GR - 0 _fork 000C GR - 0 _newpid 0000 GR - 1 _newpid_last_pid_1_11 18E7 R - 1 _proc_table 0000 GR - 0 _spawn 000E GR - - - ASxxxx Assembler V02.00 + NoICE + SDCC mods (Zilog Z80 / Hitachi HD64180), page 2. -Hexadecimal [16-Bits] - -Area Table - - 0 _CODE size F flags 0 - 1 _DATA size 18E8 flags 0 - 2 _INITIALIZED size 0 flags 0 - 3 _DABS size 0 flags 8 - 4 _HOME size 0 flags 0 - 5 _GSINIT size 8 flags 0 - 6 _GSFINAL size 0 flags 0 - 7 _INITIALIZER size 0 flags 0 - 8 _CABS size 0 flags 8 - diff --git a/sw/z80/crt0.rel b/sw/z80/crt0.rel deleted file mode 100644 index 880fd57..0000000 --- a/sw/z80/crt0.rel +++ /dev/null @@ -1,86 +0,0 @@ -XL2 -H 14 areas 5 global symbols -M crt0 -S .__.ABS. Def0000 -S _kmain Ref0000 -A _CODE size A flags 0 addr 0 -S __clock Def0000 -S _exit Def0004 -A _HEADER size 0 flags 8 addr 0 -A _HEADER0 size 3 flags 8 addr 0 -A _HEADER1 size 2 flags 8 addr 8 -A _HEADER2 size 2 flags 8 addr 10 -A _HEADER3 size 2 flags 8 addr 18 -A _HEADER4 size 2 flags 8 addr 20 -A _HEADER5 size 2 flags 8 addr 28 -A _HEADER6 size 2 flags 8 addr 30 -A _HEADER7 size 2 flags 8 addr 38 -A _HEADER8 size C flags 8 addr 100 -A _HOME size 0 flags 0 addr 0 -A _INITIALIZER size 0 flags 0 addr 0 -A _GSINIT size 6 flags 0 addr 0 -S gsinit Def0000 -A _GSFINAL size 1 flags 0 addr 0 -A _DATA size 0 flags 0 addr 0 -A _INITIALIZED size 0 flags 0 addr 0 -A _BSEG size 0 flags 0 addr 0 -A _BSS size 0 flags 0 addr 0 -A _HEAP size 0 flags 0 addr 0 -T 00 00 -R 00 00 02 00 -T 00 00 C3 00 01 -R 00 00 02 00 00 03 0A 00 -T 08 00 -R 00 00 03 00 -T 08 00 ED 4D -R 00 00 03 00 -T 10 00 -R 00 00 04 00 -T 10 00 ED 4D -R 00 00 04 00 -T 18 00 -R 00 00 05 00 -T 18 00 ED 4D -R 00 00 05 00 -T 20 00 -R 00 00 06 00 -T 20 00 ED 4D -R 00 00 06 00 -T 28 00 -R 00 00 07 00 -T 28 00 ED 4D -R 00 00 07 00 -T 30 00 -R 00 00 08 00 -T 30 00 ED 4D -R 00 00 08 00 -T 38 00 -R 00 00 09 00 -T 38 00 ED 4D -R 00 00 09 00 -T 00 01 -R 00 00 0A 00 -T 00 01 -R 00 00 0A 00 -T 00 01 31 FF FF CD 00 00 CD 00 00 C3 04 00 -R 00 00 0A 00 00 06 0D 00 02 09 01 00 00 0C 00 00 -T 00 00 -R 00 00 00 00 -T 00 00 3E 02 CF C9 -R 00 00 00 00 -T 04 00 -R 00 00 00 00 -T 04 00 3E 00 CF -R 00 00 00 00 -T 07 00 -R 00 00 00 00 -T 07 00 76 18 FD -R 00 00 00 00 -T 00 00 -R 00 00 0D 00 -T 00 00 78 B1 28 02 ED B0 -R 00 00 0D 00 -T 06 00 -R 00 00 0D 00 -T 00 00 C9 -R 00 00 0E 00 diff --git a/sw/z80/kernel/drivers/ctc.c b/sw/z80/kernel/drivers/ctc.c new file mode 100644 index 0000000..e23ed8e --- /dev/null +++ b/sw/z80/kernel/drivers/ctc.c @@ -0,0 +1 @@ +#include "drivers/ctc.h"
\ No newline at end of file diff --git a/sw/z80/kernel/drivers/pio.c b/sw/z80/kernel/drivers/pio.c index 289ebe0..4321fb8 100644 --- a/sw/z80/kernel/drivers/pio.c +++ b/sw/z80/kernel/drivers/pio.c @@ -3,17 +3,38 @@ static uint8_t *pio_port = (uint8_t *) ADDR_DEV_PIO; static uint8_t *pio_ctrl = (uint8_t *) (ADDR_DEV_PIO + 2); -void _pio_data(int port, uint8_t data) +inline void _pio_data(int port, uint8_t data) { *(pio_port + port) = data; } -void _pio_command(int port, uint8_t cmd) +inline void _pio_control(int port, uint8_t cmd) { *(pio_ctrl + port) = cmd; } -/* void pio_set_mode(int port, int mode) +void pio_set_mode(int port, int mode, uint8_t io) { + // 0x0F is a control sequence to set mode + _pio_control(port, ((mode << 6) | 0x0F)); -} */ + // this mode requires an additional argument that sets + // a mode for each pin + if (mode == PIO_MODE_BIT_IO) { + _pio_control(port, io); + } +} + +void pio_set_interrupts(int port, int control) +{ + // 0x07 is a control sequence to set interrupts + _pio_control(port, (control | 0x07)); +} + +void pio_set_interrupts_mask(int port, int control, uint8_t mask) +{ + // 0x17 is a control sequence to set interrupts + // and to interpret the next byte as a mask + _pio_control(port, (control | 0x17)); + _pio_control(port, mask); +} diff --git a/sw/z80/kernel/include/drivers/ctc.h b/sw/z80/kernel/include/drivers/ctc.h new file mode 100644 index 0000000..488e02b --- /dev/null +++ b/sw/z80/kernel/include/drivers/ctc.h @@ -0,0 +1,6 @@ +#ifndef __CTC_H__ +#define __CTC_H__ + +void ctc_control() + +#endif /* __CTC_H__ */
\ No newline at end of file diff --git a/sw/z80/kernel/include/drivers/pio.h b/sw/z80/kernel/include/drivers/pio.h index 5d289ca..0df2ed0 100644 --- a/sw/z80/kernel/include/drivers/pio.h +++ b/sw/z80/kernel/include/drivers/pio.h @@ -7,25 +7,27 @@ #define PIO_A 0 #define PIO_B 1 -#define PIO_MODE_0 0 -#define PIO_MODE_1 1 -#define PIO_MODE_2 2 -#define PIO_MODE_3 3 +#define PIO_MODE_BYTE_IN 0 +#define PIO_MODE_BYTE_OUT 1 +#define PIO_MODE_BYTE_BI 2 +#define PIO_MODE_BIT_IO 3 #define PIO_INT_ACTIVE_HIGH (1<<5) #define PIO_INT_AND_MODE (1<<6) #define PIO_INT_ENABLE (1<<7) -void _pio_data(int port, uint8_t data); -void _pio_command(int port, uint8_t cmd); +inline void _pio_data(int port, uint8_t data); +inline void _pio_control(int port, uint8_t cmd); + +void pio_set_mode(int port, int mode, uint8_t io); -void pio_set_mode(int port, int mode); void pio_set_interrupts(int port, int control); -void pio_set_interrupts_mask(int port, uint8_t mask); -void pio_set_io(int port, uint8_t io); +void pio_set_interrupts_mask(int port, int control, uint8_t mask); // uint8_t pio_read_data(int port); +uint8_t pio_read(int port); +void pio_write(int port, uint8_t data); inline int pio_read_pin(int port, uint8_t pin); inline void pio_write_pin(int port, uint8_t pin); diff --git a/sw/z80/kernel/include/fs/fs.h b/sw/z80/kernel/include/fs/fs.h index b92303d..ad20adb 100644 --- a/sw/z80/kernel/include/fs/fs.h +++ b/sw/z80/kernel/include/fs/fs.h @@ -44,7 +44,7 @@ struct fs_inode #define FS_INODE_ROOT(inode) {inode.dev = 0xff; inode.inode = 0x0} #define FS_INODE_NULL(inode) {inode.dev = 0x80; inode.inode = 0x0} -#define FS_USE_ROM(inode) inode.dev == 0x7f +#define FS_USE_ROM(inode) {inode.dev == 0x7f} /* get block seek in current device */ devsize_t fs_block(blk_t block); diff --git a/sw/z80/kernel/include/memory.h b/sw/z80/kernel/include/memory.h index 45fc325..67c4b88 100644 --- a/sw/z80/kernel/include/memory.h +++ b/sw/z80/kernel/include/memory.h @@ -6,6 +6,7 @@ /* maximum number of pages on the system */ #define PAGES_MAX_COUNT 32 +#define PAGE_SIZE 1000 /* in our system there are only 16 pages since only 64KB can be addressed * to optimize the memory management in ROM and RAM only pages from this set @@ -31,17 +32,18 @@ #define ADDR_PAGE_14 0xE000 #define ADDR_PAGE_15 0xF000 +#define ADDR_PAGE_FIRST ADDR_PAGE_8 +#define ADDR_PAGE_LAST ADDR_PAGE_15 + struct page { - uint used :1; - pid_t pid; // process owner of the page + pid_t pid; // process owner of the page (0 if free) uint16_t addr; // physical address }; -extern struct page pages_table[PAGES_MAX_COUNT]; - int mmu_write_table(void); +int page_new(void); int page_map(int page, int pid, uint16_t addr); int page_unmap(int page); diff --git a/sw/z80/kernel/include/process.h b/sw/z80/kernel/include/process.h index d7aa7fd..3b0c843 100644 --- a/sw/z80/kernel/include/process.h +++ b/sw/z80/kernel/include/process.h @@ -9,6 +9,12 @@ */ #define PROC_COUNT 2 +/* the pid is defined with a single byte (pid_t is uint8_t), because of that + * there cannot be more than 255 processes open at the same time. this is a + * limitation but for our purposes is more than enough + */ +#define PID_COUNT_MAX 255 + struct executable { void *text; @@ -19,19 +25,12 @@ struct executable struct process { - uint blocked :1; // process is waiting for hardware or locked - uint running :1; // pid is used - struct page pages[4]; // pages used by the process - // TODO: implement quick callback? + uint blocked :1; // process is waiting for hardware or locked + uint running :1; // pid is used + uint pages; // number of pages used by the process + struct page page[4]; // pages used by the process }; -/* the pid is defined with a single byte (pid_t is uint8_t), because of that - * there cannot be more than 255 processes open at the same time. this is a - * limitation but for our purposes is more than enough - */ -extern struct process proc_table[255]; -extern struct process *current_proc; - pid_t newpid(void); int fork(void); diff --git a/sw/z80/kernel/include/syscall.h b/sw/z80/kernel/include/syscall.h deleted file mode 100644 index 29941c9..0000000 --- a/sw/z80/kernel/include/syscall.h +++ /dev/null @@ -1,20 +0,0 @@ -#ifndef __SYS_CALL_H__ -#define __SYS_CALL_H__ - -/* -* Enable / disable virtual address traslation -*/ - -extern void v_addr(uint8_t flag); - -/* -* Programs execution -*/ - -extern void prog_exec_0(void); -extern void prog_exec_1(void); - -extern void prog_stop_0(void); -extern void prog_stop_1(void); - -#endif
\ No newline at end of file diff --git a/sw/z80/kernel/include/types.h b/sw/z80/kernel/include/types.h index c01afb2..c6e620b 100644 --- a/sw/z80/kernel/include/types.h +++ b/sw/z80/kernel/include/types.h @@ -3,39 +3,35 @@ /* only types from primitive types are defined in this file */ -#define register_t volatile unsigned char +typedef volatile unsigned char register_t; -#define uint unsigned int +typedef unsigned int uint; -#define int8_t char -#define uint8_t unsigned char -#define int16_t int -#define uint16_t unsigned short int +typedef char int8_t; +typedef unsigned char uint8_t; +typedef int int16_t; +typedef unsigned int uint16_t; +typedef long int int32_t; +typedef unsigned long int uint32_t; -#define uint32_t unsigned long int +typedef uint16_t size_t; +typedef int16_t ssize_t; -#define size_t uint16_t -#define ssize_t int16_t -#define pid_t uint8_t +typedef uint8_t pid_t; +typedef uint16_t ino_t; -#define ino_t uint16_t +typedef uint8_t dev_t; +typedef uint32_t devsize_t; +typedef uint8_t fd_t; +typedef uint16_t blk_t; +typedef uint8_t user_t; -#define dev_t uint8_t -#define devsize_t uint32_t - -#define fd_t uint8_t - -#define blk_t uint16_t - -#define user_t int8_t - -typedef struct -{ +typedef struct { uint8_t member[3]; } uint24_t; -#define fsize_t uint32_t +typedef uint32_t fsize_t; typedef struct { diff --git a/sw/z80/kernel/memory.c b/sw/z80/kernel/memory.c index bcda3c3..cda62ca 100644 --- a/sw/z80/kernel/memory.c +++ b/sw/z80/kernel/memory.c @@ -1,13 +1,13 @@ #include "memory.h" -struct page pages_table[PAGES_MAX_COUNT]; +static struct page pages_table[PAGES_MAX_COUNT]; int mmu_write_table(void) { int i; for (i = 0; i < PAGES_MAX_COUNT; i++) { - if (pages_table[i].used) { + if (pages_table[i].pid != 0) { // write to mmu table } } @@ -15,18 +15,37 @@ int mmu_write_table(void) return 0; } +int page_new(void) +{ + int i, addr, used; + for (addr = ADDR_PAGE_FIRST; addr < ADDR_PAGE_LAST; addr += PAGE_SIZE) { + used = 0; + + for (i = 0; i < PAGES_MAX_COUNT; i++) { + if (page_map[i].addr == addr) { + used = 1; + break; + } + } + + if (!used) + return i; + } + + return -1; +} + int page_map(int page, int pid, uint16_t addr) { if (page >= PAGES_MAX_COUNT) return -1; - if (pages_table[page].used) + if (pages_table[page].pid != 0) return -2; pages_table[page].addr = addr; pages_table[page].pid = pid; - pages_table[page].used = 1; return 0; } @@ -35,10 +54,11 @@ int page_unmap(int page) if (page >= PAGES_MAX_COUNT) return -1; - if (pages_table[page].used == 0) + if (pages_table[page].pid == 0) return -2; - pages_table[page].used = 0; + pages_table[page].pid = 0; + pages_table[page].addr = 0; return 0; } diff --git a/sw/z80/kernel/process.c b/sw/z80/kernel/process.c index 49b86b8..049c88c 100644 --- a/sw/z80/kernel/process.c +++ b/sw/z80/kernel/process.c @@ -1,16 +1,48 @@ #include "process.h" -struct process proc_table[255]; +static struct process proc_table[PID_COUNT_MAX]; +static struct process *current_proc; pid_t newpid(void) { + int i; static pid_t last_pid = 0; - return ++last_pid; + + for (i = 0; i < PID_COUNT_MAX; i++, last_pid++) { + if (last_pid == PID_COUNT_MAX) { + last_pid = 0; + continue; + } + + if (!proc_table[last_pid].running) + break; + } + + if (i >= PID_COUNT_MAX) + return 0; + + return last_pid; } int fork(void) { - + int i, p; + pid_t child_pid = newpid(); + + if (child_pid == 0) + return -1; + + + for (i = 0; i < current_proc.pages; i++) { + p = page_new(); + + if (p == -1) { + + return -2; + } + + proc_table[child_pid].page[i] = p; + } } int exec(char *path, char *args) diff --git a/sw/z80/libc/string.c b/sw/z80/libc/string.c index 9dd56cc..57b3a7f 100644 --- a/sw/z80/libc/string.c +++ b/sw/z80/libc/string.c @@ -1,11 +1,11 @@ #include "string.h" -void * memset(void *dest, const int8_t src, size_t n) { +void *memset(void *dest, const int8_t src, size_t n) { - void *dp = dest; + char *dp = (char *) dest; while (n--) - *dp++ = src; + *(dp++) = src; return dest; } @@ -22,16 +22,14 @@ void *memcpy(void *dest, void *src, size_t n) return dest; } -int8_t memcmp(const void *s1, const void *s2, size_t n) { - - uint8_t u1, u2; - - for ( ; n--; s1++, s2++) { +int8_t memcmp(void *s1, void *s2, size_t n) +{ + char *u1 = (char *) s1; + char *u2 = (char *) s2; - u1 = *s1; - u2 = *s2; + for ( ; n--; u1++, u2++) { - if (u1 != u2) + if (*u1 != *u2) return u1 - u2; } diff --git a/sw/z80/makefile b/sw/z80/makefile index 5047824..5ab7e93 100644 --- a/sw/z80/makefile +++ b/sw/z80/makefile @@ -20,6 +20,7 @@ CFLAGS := -mz80 \ -I kernel/include \ -I kernel/include/drivers \ -I libc/include \ + --opt-code-size \ -DDEBUG LDFLAGS := -mz80 --no-std-crt0 crt0.rel \ @@ -43,7 +44,7 @@ crt0.rel: crt0.s sdasz80 -o $< dirs: - mkdir -p build build/kernel build/libc + mkdir -p build build/kernel build/libc build/kernel/drivers dis: $(BINARY) @# z80dasm -a -l -g 0h $< -o build/$(OSNAME).s |