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| author | leleraffa97@hotmail.it <leleraffa97@hotmail.it> | 2017-08-26 11:11:39 +0200 |
|---|---|---|
| committer | leleraffa97@hotmail.it <leleraffa97@hotmail.it> | 2017-08-26 11:11:39 +0200 |
| commit | 1acc542400d15ddf32f44e3f1ddb82f9c9fe4aab (patch) | |
| tree | fb439e84abdf86a1b6e9f7362ca4c3cdeef2bb8d /sw | |
| parent | Merge remote-tracking branch 'origin/naopross' into atlas (diff) | |
| download | z80uPC-1acc542400d15ddf32f44e3f1ddb82f9c9fe4aab.tar.gz z80uPC-1acc542400d15ddf32f44e3f1ddb82f9c9fe4aab.zip | |
File system initialization
Simple I/O (sio) interfaced, not yet implemented
Diffstat (limited to 'sw')
26 files changed, 1480 insertions, 135 deletions
diff --git a/sw/z80/build/kernel/filesystem.asm b/sw/z80/build/kernel/filesystem.asm new file mode 100644 index 0000000..f868b5a --- /dev/null +++ b/sw/z80/build/kernel/filesystem.asm @@ -0,0 +1,117 @@ +;-------------------------------------------------------- +; 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 new file mode 100644 index 0000000..80ecda7 --- /dev/null +++ b/sw/z80/build/kernel/filesystem.lst @@ -0,0 +1,117 @@ + 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 new file mode 100644 index 0000000..3ccb28f --- /dev/null +++ b/sw/z80/build/kernel/filesystem.rel @@ -0,0 +1,54 @@ +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 new file mode 100644 index 0000000..6e95911 --- /dev/null +++ b/sw/z80/build/kernel/filesystem.sym @@ -0,0 +1,33 @@ + 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 new file mode 100644 index 0000000..e0839fc --- /dev/null +++ b/sw/z80/build/kernel/kernel.asm @@ -0,0 +1,66 @@ +;-------------------------------------------------------- +; 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 new file mode 100644 index 0000000..e839f83 --- /dev/null +++ b/sw/z80/build/kernel/kernel.lst @@ -0,0 +1,66 @@ + 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 new file mode 100644 index 0000000..103d026 --- /dev/null +++ b/sw/z80/build/kernel/kernel.rel @@ -0,0 +1,22 @@ +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 new file mode 100644 index 0000000..b5145d5 --- /dev/null +++ b/sw/z80/build/kernel/kernel.sym @@ -0,0 +1,27 @@ + 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 new file mode 100644 index 0000000..ffa5214 --- /dev/null +++ b/sw/z80/build/kernel/memory.asm @@ -0,0 +1,186 @@ +;-------------------------------------------------------- +; 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 new file mode 100644 index 0000000..5f229f5 --- /dev/null +++ b/sw/z80/build/kernel/memory.lst @@ -0,0 +1,186 @@ + 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 new file mode 100644 index 0000000..a0cbbca --- /dev/null +++ b/sw/z80/build/kernel/memory.rel @@ -0,0 +1,76 @@ +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 new file mode 100644 index 0000000..26090e8 --- /dev/null +++ b/sw/z80/build/kernel/memory.sym @@ -0,0 +1,30 @@ + 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 new file mode 100644 index 0000000..f50bb3d --- /dev/null +++ b/sw/z80/build/kernel/process.asm @@ -0,0 +1,89 @@ +;-------------------------------------------------------- +; 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 new file mode 100644 index 0000000..eb73943 --- /dev/null +++ b/sw/z80/build/kernel/process.lst @@ -0,0 +1,89 @@ + 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 new file mode 100644 index 0000000..f4908e9 --- /dev/null +++ b/sw/z80/build/kernel/process.rel @@ -0,0 +1,45 @@ +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 new file mode 100644 index 0000000..f6884cd --- /dev/null +++ b/sw/z80/build/kernel/process.sym @@ -0,0 +1,32 @@ + 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 new file mode 100644 index 0000000..880fd57 --- /dev/null +++ b/sw/z80/crt0.rel @@ -0,0 +1,86 @@ +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/filesystem.c b/sw/z80/kernel/filesystem.c deleted file mode 100644 index 38a5456..0000000 --- a/sw/z80/kernel/filesystem.c +++ /dev/null @@ -1,44 +0,0 @@ -#include "filesystem.h" - -struct filesystem * fs_parse_superblock(struct filesystem *fs) -{ - -} - -/* resolves an arbitrary path */ -uint16_t fs_parse_path(const char *path) -{ - -} - -/* gets inode from inumber */ -inode_t * fs_get_inode(inode_t *buffer, uint16_t i_number) -{ - -} - -inode_t * fs_new_inode(inode_t *inode, const char *name) -{ - -} - -int fs_free_inode(const inode_t *inode) -{ - -} - -void fs_chmod(inode_t *inode, uint8_t mode) -{ - -} - -void fs_chown(inode_t *inode, uint8_t uid) -{ - -} - -int fs_rename(inode_t *inode, const char *name) -{ - -} - diff --git a/sw/z80/kernel/fs.c b/sw/z80/kernel/fs.c new file mode 100644 index 0000000..3ce7f42 --- /dev/null +++ b/sw/z80/kernel/fs.c @@ -0,0 +1,5 @@ +#include "fs.h" +#include "users.h" +#include "mount.h" + +struct fs_mount_point * mount_points[FS_MOUNT_LIMIT]; diff --git a/sw/z80/kernel/include/filesystem.h b/sw/z80/kernel/include/filesystem.h deleted file mode 100644 index 98c1e90..0000000 --- a/sw/z80/kernel/include/filesystem.h +++ /dev/null @@ -1,91 +0,0 @@ -#ifndef __FILESYSTEM_H__ -#define __FILESYSTEM_H__ - -#include "types.h" - -#define FS_OFFSET 0x1000 - -#define FS_BLOCKS_SIZE 512 -#define FS_BLOCKS_N 12 - -#define INODE_TYPE_FILE 0 -#define INODE_TYPE_DIR 1 -#define INODE_TYPE_LINK 2 - -typedef struct time_s -{ - uint16_t time; - uint16_t date; - -} time_t; - - -/* on-disk structures */ -struct fs_superblock -{ - uint magic :5; /* identifier */ - uint serial_port :3; /* serial port id from serial.h */ - uint16_t blk_size; /* default is 512 bytes */ - uint16_t imap_size; /* size of the inode table in blocks */ - uint16_t dmap_size; /* size of the data blocks map in blocks */ -}; - - -struct fs_blk_entry -{ - uint16_t b_number; /* block number */ - uint16_t data_size; /* bytes used */ -}; - -typedef struct fs_inode -{ - - uint16_t i_number; /* identifier */ - - uint i_mode :3; /* inode mode (rwx) */ - uint i_uid :3; /* user (owner) id */ - uint i_type :2; /* inode type */ - - uint8_t i_blocks; /* number of blocks */ - struct fs_blk_entry i_block[FS_BLOCKS_N]; /* direct blocks */ - - uint16_t parent; - -} inode_t; - -/* inode table structures */ -/* i_number is derived from location */ -struct fs_inode_entry -{ - uint8_t str_len; - char name[24]; -}; - -/* filesystem struct for the operating system */ -struct filesystem -{ - size_t size; - size_t fsize; - inode_t *mntpt; -}; - -struct filesystem * fs_parse_superblock(struct filesystem *fs); - -/* resolves an arbitrary path */ -uint16_t fs_parse_path(const char *path); - -/* gets inode from inumber */ -inode_t * fs_get_inode(inode_t *buffer, uint16_t i_number); - -inode_t * fs_new_inode(inode_t *inode, const char *name); - -int fs_free_inode(const inode_t *inode); - -void fs_chmod(inode_t *inode, uint8_t mode); - -void fs_chown(inode_t *inode, uint8_t uid); - -int fs_rename(inode_t *inode, const char *name); - - -#endif // __FILESYSTEM_H__ diff --git a/sw/z80/kernel/include/fs/dirent.h b/sw/z80/kernel/include/fs/dirent.h new file mode 100644 index 0000000..ea5699b --- /dev/null +++ b/sw/z80/kernel/include/fs/dirent.h @@ -0,0 +1,13 @@ +#ifndef DIRENT_H +#define DIRENT_H + +#include "types.h" + +struct dirent +{ + ino_t i_number; // inode referred + uint8_t name_size; // size of the name + char name[]; // name of the referred inode +} + +#endif diff --git a/sw/z80/kernel/include/fs/fs.h b/sw/z80/kernel/include/fs/fs.h new file mode 100644 index 0000000..62bef36 --- /dev/null +++ b/sw/z80/kernel/include/fs/fs.h @@ -0,0 +1,65 @@ +#ifndef INODE_H +#define INODE_H + +#include "types.h" + +#define FS_OFFSET 0x1000 + +#define FS_BLOCKS_SIZE 512 +#define FS_BLOCKS_N 8 +#define FS_BLOCKS_IND 6 + +#define INODE_TYPE_FILE 0x0 +#define INODE_TYPE_DIR 0x1 +#define INODE_TYPE_HLINK 0x2 +#define INODE_TYPE_SLINK 0x3 + +typedef struct time_s +{ + struct + { + uint minutes :6; + uint hour :5; + + } time; + + struct + { + uint day :5; + uint month :4; + uint year :12; + + } date; + +} time_t; + +struct fs_superblock +{ + uint8_t magic; // identifier + + uint16_t blk_size; // size of a single block + uint16_t imap_size; // quantity of inodes + uint16_t dmap_size; // quantity of blocks +} + +struct fs_inode +{ + + /* inode meta data */ + uint mode :3; // chmod + uint uid :3; // chown + uint type :2; // file, dir, hard-link, sym-link + + /* data storage informations */ + uint24_t size; + uint16_t blocks[FS_BLOCKS_N]; + +} + +struct fs_inumber +{ + uint dev : 4; // device id, global in the fs + ino_t rel; // inode id relative to the volume +} + +#endif diff --git a/sw/z80/kernel/include/fs/mount.h b/sw/z80/kernel/include/fs/mount.h new file mode 100644 index 0000000..a0edd5d --- /dev/null +++ b/sw/z80/kernel/include/fs/mount.h @@ -0,0 +1,15 @@ +#ifndef MOUNT_H +#define MOUNT_H + +#include "fs.h" + +#define FS_MOUNT_LIMIT 16 + +struct fs_mount_point +{ + struct fs_inumber inode; // dir mounted + uint serial_port :4; + struct fs_superblock superblock; // block informations +} + +#endif diff --git a/sw/z80/kernel/include/fs/users.h b/sw/z80/kernel/include/fs/users.h new file mode 100644 index 0000000..7e4016b --- /dev/null +++ b/sw/z80/kernel/include/fs/users.h @@ -0,0 +1,6 @@ +#ifndef USERS_H +#define USERS_H + + + +#endif diff --git a/sw/z80/kernel/include/sio.h b/sw/z80/kernel/include/sio.h new file mode 100644 index 0000000..9dc47f6 --- /dev/null +++ b/sw/z80/kernel/include/sio.h @@ -0,0 +1,49 @@ +#ifndef SIO_H +#define SIO_H + +#include "types.h" + +#define SIO_ROM 0x0 + +#define SIO_PORT_1 0x1 +#define SIO_PORT_2 0x2 +#define SIO_PORT_3 0x3 +#define SIO_PORT_4 0x4 +#define SIO_PORT_5 0x5 +#define SIO_PORT_6 0x6 +#define SIO_PORT_7 0x7 + +/* initialize serial interface */ +void sio_init(); + +/* return the device address in the address space */ +void * sio_dev_addr(uint8_t dev); +/* return the driver id to be used on dev */ +uint8_t sio_dev_driver(uint8_t dev); + +/* set current device in use */ +void sio_set_dev(uint8_t dev); +/* get current device in use */ +uint8_t sio_cdev(); + +/* get pointer in given device */ +uint16_t sio_tellg(uint8_t dev); +/* get pointer in current device */ +uint16_t sio_ctellg(); + +/* set pointer in given device */ +int sio_seekg(uint8_t dev, uint16_t value); +/* set pointer in current device */ +int sio_seekg(uint16_t value); + +/* syscall: read one byte from the current device */ +uint8_t sio_recv(); +/* syscall: write one byte into the current device */ +void sio_send(uint8_t value); + +/* read n bytes from the current device */ +char * sio_read(uint8_t *buffer, size_t n); +/* write n bytes into the current device */ +int sio_write(const uint8_t *buffer, size_t n); + +#endif diff --git a/sw/z80/kernel/include/types.h b/sw/z80/kernel/include/types.h index 7c1424a..b822144 100644 --- a/sw/z80/kernel/include/types.h +++ b/sw/z80/kernel/include/types.h @@ -15,4 +15,10 @@ #define size_t uint16_t #define pid_t uint8_t +#define ino_t uint16_t + +typedef struct { + uint data : 24; +} uint24_t; + #endif |