diff options
Diffstat (limited to 'sw/z80/build/kernel/memory.asm')
| -rw-r--r-- | sw/z80/build/kernel/memory.asm | 186 |
1 files changed, 0 insertions, 186 deletions
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) |