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Move ROM write functions to rom.c

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This commit is contained in:
Jasmine Iwanek
2025-02-10 02:42:19 -05:00
parent b1d68b83e7
commit 9e95e1e475
3 changed files with 56 additions and 51 deletions
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51
src/floppy/fdc_monster.c
View File

@@ -47,57 +47,6 @@ typedef struct monster_fdc_t {
char nvr_path[64];
} monster_fdc_t;
static void
rom_write(uint32_t addr, uint8_t val, void *priv)
{
const rom_t *rom = (rom_t *) priv;
#ifdef ROM_TRACE
if (rom->mapping.base == ROM_TRACE)
rom_log("ROM: read byte from BIOS at %06lX\n", addr);
#endif
if (addr < rom->mapping.base)
return;
if (addr >= (rom->mapping.base + rom->sz))
return;
rom->rom[(addr - rom->mapping.base) & rom->mask] = val;
}
static void
rom_writew(uint32_t addr, uint16_t val, void *priv)
{
rom_t *rom = (rom_t *) priv;
#ifdef ROM_TRACE
if (rom->mapping.base == ROM_TRACE)
rom_log("ROM: read word from BIOS at %06lX\n", addr);
#endif
if (addr < (rom->mapping.base - 1))
return;
if (addr >= (rom->mapping.base + rom->sz))
return;
*(uint16_t *) &rom->rom[(addr - rom->mapping.base) & rom->mask] = val;
}
static void
rom_writel(uint32_t addr, uint32_t val, void *priv)
{
rom_t *rom = (rom_t *) priv;
#ifdef ROM_TRACE
if (rom->mapping.base == ROM_TRACE)
rom_log("ROM: read long from BIOS at %06lX\n", addr);
#endif
if (addr < (rom->mapping.base - 3))
return;
if (addr >= (rom->mapping.base + rom->sz))
return;
*(uint32_t *) &rom->rom[(addr - rom->mapping.base) & rom->mask] = val;
}
static void
monster_fdc_close(void *priv)
{

5
src/include/86box/rom.h
View File

@@ -52,7 +52,12 @@ extern uint8_t rom_read(uint32_t addr, void *priv);
extern uint16_t rom_readw(uint32_t addr, void *priv);
extern uint32_t rom_readl(uint32_t addr, void *priv);
extern void rom_write(uint32_t addr, uint8_t val, void *priv);
extern void rom_writew(uint32_t addr, uint16_t val, void *priv);
extern void rom_writel(uint32_t addr, uint32_t val, void *priv);
extern void rom_get_full_path(char *dest, const char *fn);
extern FILE *rom_fopen(const char *fn, char *mode);
extern int rom_getfile(char *fn, char *s, int size);
extern int rom_present(const char *fn);

51
src/mem/rom.c
View File

@@ -244,6 +244,57 @@ rom_readl(uint32_t addr, void *priv)
return (*(uint32_t *) &rom->rom[(addr - rom->mapping.base) & rom->mask]);
}
void
rom_write(uint32_t addr, uint8_t val, void *priv)
{
const rom_t *rom = (rom_t *) priv;
#ifdef ROM_TRACE
if (rom->mapping.base == ROM_TRACE)
rom_log("ROM: write byte from BIOS at %06lX\n", addr);
#endif
if (addr < rom->mapping.base)
return;
if (addr >= (rom->mapping.base + rom->sz))
return;
rom->rom[(addr - rom->mapping.base) & rom->mask] = val;
}
void
rom_writew(uint32_t addr, uint16_t val, void *priv)
{
rom_t *rom = (rom_t *) priv;
#ifdef ROM_TRACE
if (rom->mapping.base == ROM_TRACE)
rom_log("ROM: write word from BIOS at %06lX\n", addr);
#endif
if (addr < (rom->mapping.base - 1))
return;
if (addr >= (rom->mapping.base + rom->sz))
return;
*(uint16_t *) &rom->rom[(addr - rom->mapping.base) & rom->mask] = val;
}
void
rom_writel(uint32_t addr, uint32_t val, void *priv)
{
rom_t *rom = (rom_t *) priv;
#ifdef ROM_TRACE
if (rom->mapping.base == ROM_TRACE)
rom_log("ROM: write long from BIOS at %06lX\n", addr);
#endif
if (addr < (rom->mapping.base - 3))
return;
if (addr >= (rom->mapping.base + rom->sz))
return;
*(uint32_t *) &rom->rom[(addr - rom->mapping.base) & rom->mask] = val;
}
int
rom_load_linear_oddeven(const char *fn, uint32_t addr, int sz, int off, uint8_t *ptr)
{