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Diffstat (limited to 'hw/ide/core.c')
-rw-r--r--hw/ide/core.c144
1 files changed, 86 insertions, 58 deletions
diff --git a/hw/ide/core.c b/hw/ide/core.c
index 9926d9202b..cd9de14b4a 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -1010,71 +1010,78 @@ void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val)
#define HD_CFA_OK (HD_OK | CFA_OK)
#define ALL_OK (HD_OK | CD_OK | CFA_OK)
+/* Set the Disk Seek Completed status bit during completion */
+#define SET_DSC (1u << 8)
+
/* See ACS-2 T13/2015-D Table B.2 Command codes */
-static const uint8_t ide_cmd_table[0x100] = {
+static const struct {
+ /* Returns true if the completion code should be run */
+ bool (*handler)(IDEState *s, uint8_t cmd);
+ int flags;
+} ide_cmd_table[0x100] = {
/* NOP not implemented, mandatory for CD */
- [CFA_REQ_EXT_ERROR_CODE] = CFA_OK,
- [WIN_DSM] = ALL_OK,
- [WIN_DEVICE_RESET] = CD_OK,
- [WIN_RECAL] = HD_CFA_OK,
- [WIN_READ] = ALL_OK,
- [WIN_READ_ONCE] = ALL_OK,
- [WIN_READ_EXT] = HD_CFA_OK,
- [WIN_READDMA_EXT] = HD_CFA_OK,
- [WIN_READ_NATIVE_MAX_EXT] = HD_CFA_OK,
- [WIN_MULTREAD_EXT] = HD_CFA_OK,
- [WIN_WRITE] = HD_CFA_OK,
- [WIN_WRITE_ONCE] = HD_CFA_OK,
- [WIN_WRITE_EXT] = HD_CFA_OK,
- [WIN_WRITEDMA_EXT] = HD_CFA_OK,
- [CFA_WRITE_SECT_WO_ERASE] = CFA_OK,
- [WIN_MULTWRITE_EXT] = HD_CFA_OK,
- [WIN_WRITE_VERIFY] = HD_CFA_OK,
- [WIN_VERIFY] = HD_CFA_OK,
- [WIN_VERIFY_ONCE] = HD_CFA_OK,
- [WIN_VERIFY_EXT] = HD_CFA_OK,
- [WIN_SEEK] = HD_CFA_OK,
- [CFA_TRANSLATE_SECTOR] = CFA_OK,
- [WIN_DIAGNOSE] = ALL_OK,
- [WIN_SPECIFY] = HD_CFA_OK,
- [WIN_STANDBYNOW2] = ALL_OK,
- [WIN_IDLEIMMEDIATE2] = ALL_OK,
- [WIN_STANDBY2] = ALL_OK,
- [WIN_SETIDLE2] = ALL_OK,
- [WIN_CHECKPOWERMODE2] = ALL_OK,
- [WIN_SLEEPNOW2] = ALL_OK,
- [WIN_PACKETCMD] = CD_OK,
- [WIN_PIDENTIFY] = CD_OK,
- [WIN_SMART] = HD_CFA_OK,
- [CFA_ACCESS_METADATA_STORAGE] = CFA_OK,
- [CFA_ERASE_SECTORS] = CFA_OK,
- [WIN_MULTREAD] = HD_CFA_OK,
- [WIN_MULTWRITE] = HD_CFA_OK,
- [WIN_SETMULT] = HD_CFA_OK,
- [WIN_READDMA] = HD_CFA_OK,
- [WIN_READDMA_ONCE] = HD_CFA_OK,
- [WIN_WRITEDMA] = HD_CFA_OK,
- [WIN_WRITEDMA_ONCE] = HD_CFA_OK,
- [CFA_WRITE_MULTI_WO_ERASE] = CFA_OK,
- [WIN_STANDBYNOW1] = ALL_OK,
- [WIN_IDLEIMMEDIATE] = ALL_OK,
- [WIN_STANDBY] = ALL_OK,
- [WIN_SETIDLE1] = ALL_OK,
- [WIN_CHECKPOWERMODE1] = ALL_OK,
- [WIN_SLEEPNOW1] = ALL_OK,
- [WIN_FLUSH_CACHE] = ALL_OK,
- [WIN_FLUSH_CACHE_EXT] = HD_CFA_OK,
- [WIN_IDENTIFY] = ALL_OK,
- [WIN_SETFEATURES] = ALL_OK,
- [IBM_SENSE_CONDITION] = CFA_OK,
- [CFA_WEAR_LEVEL] = HD_CFA_OK,
- [WIN_READ_NATIVE_MAX] = ALL_OK,
+ [CFA_REQ_EXT_ERROR_CODE] = { NULL, CFA_OK },
+ [WIN_DSM] = { NULL, ALL_OK },
+ [WIN_DEVICE_RESET] = { NULL, CD_OK },
+ [WIN_RECAL] = { NULL, HD_CFA_OK },
+ [WIN_READ] = { NULL, ALL_OK },
+ [WIN_READ_ONCE] = { NULL, ALL_OK },
+ [WIN_READ_EXT] = { NULL, HD_CFA_OK },
+ [WIN_READDMA_EXT] = { NULL, HD_CFA_OK },
+ [WIN_READ_NATIVE_MAX_EXT] = { NULL, HD_CFA_OK },
+ [WIN_MULTREAD_EXT] = { NULL, HD_CFA_OK },
+ [WIN_WRITE] = { NULL, HD_CFA_OK },
+ [WIN_WRITE_ONCE] = { NULL, HD_CFA_OK },
+ [WIN_WRITE_EXT] = { NULL, HD_CFA_OK },
+ [WIN_WRITEDMA_EXT] = { NULL, HD_CFA_OK },
+ [CFA_WRITE_SECT_WO_ERASE] = { NULL, CFA_OK },
+ [WIN_MULTWRITE_EXT] = { NULL, HD_CFA_OK },
+ [WIN_WRITE_VERIFY] = { NULL, HD_CFA_OK },
+ [WIN_VERIFY] = { NULL, HD_CFA_OK },
+ [WIN_VERIFY_ONCE] = { NULL, HD_CFA_OK },
+ [WIN_VERIFY_EXT] = { NULL, HD_CFA_OK },
+ [WIN_SEEK] = { NULL, HD_CFA_OK },
+ [CFA_TRANSLATE_SECTOR] = { NULL, CFA_OK },
+ [WIN_DIAGNOSE] = { NULL, ALL_OK },
+ [WIN_SPECIFY] = { NULL, HD_CFA_OK },
+ [WIN_STANDBYNOW2] = { NULL, ALL_OK },
+ [WIN_IDLEIMMEDIATE2] = { NULL, ALL_OK },
+ [WIN_STANDBY2] = { NULL, ALL_OK },
+ [WIN_SETIDLE2] = { NULL, ALL_OK },
+ [WIN_CHECKPOWERMODE2] = { NULL, ALL_OK },
+ [WIN_SLEEPNOW2] = { NULL, ALL_OK },
+ [WIN_PACKETCMD] = { NULL, CD_OK },
+ [WIN_PIDENTIFY] = { NULL, CD_OK },
+ [WIN_SMART] = { NULL, HD_CFA_OK },
+ [CFA_ACCESS_METADATA_STORAGE] = { NULL, CFA_OK },
+ [CFA_ERASE_SECTORS] = { NULL, CFA_OK },
+ [WIN_MULTREAD] = { NULL, HD_CFA_OK },
+ [WIN_MULTWRITE] = { NULL, HD_CFA_OK },
+ [WIN_SETMULT] = { NULL, HD_CFA_OK },
+ [WIN_READDMA] = { NULL, HD_CFA_OK },
+ [WIN_READDMA_ONCE] = { NULL, HD_CFA_OK },
+ [WIN_WRITEDMA] = { NULL, HD_CFA_OK },
+ [WIN_WRITEDMA_ONCE] = { NULL, HD_CFA_OK },
+ [CFA_WRITE_MULTI_WO_ERASE] = { NULL, CFA_OK },
+ [WIN_STANDBYNOW1] = { NULL, ALL_OK },
+ [WIN_IDLEIMMEDIATE] = { NULL, ALL_OK },
+ [WIN_STANDBY] = { NULL, ALL_OK },
+ [WIN_SETIDLE1] = { NULL, ALL_OK },
+ [WIN_CHECKPOWERMODE1] = { NULL, ALL_OK },
+ [WIN_SLEEPNOW1] = { NULL, ALL_OK },
+ [WIN_FLUSH_CACHE] = { NULL, ALL_OK },
+ [WIN_FLUSH_CACHE_EXT] = { NULL, HD_CFA_OK },
+ [WIN_IDENTIFY] = { NULL, ALL_OK },
+ [WIN_SETFEATURES] = { NULL, ALL_OK },
+ [IBM_SENSE_CONDITION] = { NULL, CFA_OK },
+ [CFA_WEAR_LEVEL] = { NULL, HD_CFA_OK },
+ [WIN_READ_NATIVE_MAX] = { NULL, ALL_OK },
};
static bool ide_cmd_permitted(IDEState *s, uint32_t cmd)
{
return cmd < ARRAY_SIZE(ide_cmd_table)
- && (ide_cmd_table[cmd] & (1u << s->drive_kind));
+ && (ide_cmd_table[cmd].flags & (1u << s->drive_kind));
}
void ide_exec_cmd(IDEBus *bus, uint32_t val)
@@ -1100,6 +1107,27 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val)
goto abort_cmd;
}
+ if (ide_cmd_table[val].handler != NULL) {
+ bool complete;
+
+ s->status = READY_STAT | BUSY_STAT;
+ s->error = 0;
+
+ complete = ide_cmd_table[val].handler(s, val);
+ if (complete) {
+ s->status &= ~BUSY_STAT;
+ assert(!!s->error == !!(s->status & ERR_STAT));
+
+ if ((ide_cmd_table[val].flags & SET_DSC) && !s->error) {
+ s->status |= SEEK_STAT;
+ }
+
+ ide_set_irq(s->bus);
+ }
+
+ return;
+ }
+
switch(val) {
case WIN_DSM:
switch (s->feature) {