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DISK: Add AUTOZAP as a global and per unit option

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This removes disk metadata on disk container files at detach time.
This commit is contained in:
Mark Pizzolato
2022-10-02 18:32:35 -10:00
parent 0b368d8d11
commit 5ccefb4163
4 changed files with 143 additions and 25 deletions
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7
sim_disk.h
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@@ -48,12 +48,14 @@ typedef uint32 t_lba; /* disk logical block ad
#define DKUF_W_ENC 2 /* 2b of data encoding/packing */
#define DKUF_M_ENC ((1u << DKUF_W_ENC) - 1)
#define DKUF_V_NOAUTOSIZE (DKUF_V_ENC + DKUF_W_ENC) /* Don't Autosize disk option */
#define DKUF_V_UF (DKUF_V_NOAUTOSIZE + 1)
#define DKUF_V_AUTOZAP (DKUF_V_NOAUTOSIZE + 1) /* Auto ZAP disk option */
#define DKUF_V_UF (DKUF_V_AUTOZAP + 1)
#define DKUF_WLK UNIT_WLK
#define DKUF_FMT (DKUF_M_FMT << DKUF_V_FMT)
#define DKUF_ENC (DKUF_M_ENC << DKUF_V_ENC)
#define DKUF_WRP (DKUF_WLK | UNIT_RO)
#define DKUF_NOAUTOSIZE (1 << DKUF_V_NOAUTOSIZE)
#define DKUF_AUTOZAP (1 << DKUF_V_AUTOZAP)
/* Encoding/Packing specfics */
@@ -140,7 +142,8 @@ t_bool sim_disk_vhd_support (void);
t_bool sim_disk_raw_support (void);
void sim_disk_data_trace (UNIT *uptr, const uint8 *data, size_t lba, size_t len, const char* txt, int detail, uint32 reason);
t_stat sim_disk_info_cmd (int32 flag, CONST char *ptr);
t_stat sim_disk_set_noautosize (int32 flag, CONST char *cptr);
t_stat sim_disk_set_all_noautosize (int32 flag, CONST char *cptr);
t_stat sim_disk_set_all_autozap (int32 flag, CONST char *cptr);
t_bool sim_disk_autosize_disabled (void);
t_stat sim_disk_set_drive_type (UNIT *uptr, int32 val, CONST char *cptr, void *desc);
t_stat sim_disk_set_drive_type_by_name (UNIT *uptr, const char *drive_type);