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bank: Added mii_bank_dispose()

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Also added a mode for the callback that will be called with NULL on exit

Signed-off-by: Michel Pollet <buserror@gmail.com>
This commit is contained in:
Michel Pollet 2023-10-28 06:13:08 +01:00
parent 8ff29a874f
commit a4ac4c0049
2 changed files with 32 additions and 0 deletions
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17
src/mii_bank.c
View File

@ -14,6 +14,23 @@
#include "mii.h"
#include "mii_bank.h"
void
mii_bank_dispose(
mii_bank_t *bank)
{
if (bank->alloc)
free(bank->mem);
bank->mem = NULL;
bank->alloc = 0;
if (bank->access) {
// Allow callback to free anything it wants
for (int i = 0; i < bank->size; i++)
if (bank->access[i].cb)
bank->access[i].cb(NULL, bank->access[i].param, 0, NULL, false);
free(bank->access);
}
bank->access = NULL;
}
void
mii_bank_write(

15
src/mii_bank.h
View File

@ -11,6 +11,18 @@
#include <stdbool.h>
struct mii_bank_t;
/*
* Bank access callback can be register with banks and will be called
* when a specific page (or pages) are read/written to.
* Parameter will be the bank specified, the 'real' address beind read/written
* and the 'param' passed when the callback was registered.
* The callback should return true if it handled the access, false otherwise.
* If it return true, the bank will not be accessed for this read/write.
*
* Note: the callback will be called once with bank == NULL when the bank
* is being disposed, this allow any memory allocated by the callback to be
* freed.
*/
typedef bool (*mii_bank_access_cb)(
struct mii_bank_t *bank,
void *param,
@ -33,6 +45,9 @@ typedef struct mii_bank_t {
uint8_t *mem;
} mii_bank_t;
void
mii_bank_dispose(
mii_bank_t *bank);
void
mii_bank_write(
mii_bank_t *bank,