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IDE Pull request

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Merge remote-tracking branch 'remotes/jsnow-gitlab/tags/ide-pull-request' into staging

IDE Pull request

# gpg: Signature made Tue 27 Oct 2020 14:41:59 GMT
# gpg:                using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F  18F2 88A9 064D 1835 61EB
#      Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76  CBD0 7DEF 8106 AAFC 390E

* remotes/jsnow-gitlab/tags/ide-pull-request:
  ide: clear SRST after SRST finishes
  ide: perform SRST as early as possible
  ide: run diagnostic after SRST

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2020-10-30 11:56:07 +00:00
commit d03e884e4e
1 changed files with 5 additions and 7 deletions
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12
hw/ide/core.c
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@ -2254,10 +2254,8 @@ static void ide_perform_srst(IDEState *s)
/* Cancel PIO callback, reset registers/signature, etc */
ide_reset(s);
if (s->drive_kind == IDE_CD) {
/* ATAPI drives do not set READY or SEEK */
s->status = 0x00;
}
/* perform diagnostic */
cmd_exec_dev_diagnostic(s, WIN_DIAGNOSE);
}
static void ide_bus_perform_srst(void *opaque)
@ -2270,6 +2268,8 @@ static void ide_bus_perform_srst(void *opaque)
s = &bus->ifs[i];
ide_perform_srst(s);
}
bus->cmd &= ~IDE_CTRL_RESET;
}
void ide_ctrl_write(void *opaque, uint32_t addr, uint32_t val)
@ -2282,9 +2282,7 @@ void ide_ctrl_write(void *opaque, uint32_t addr, uint32_t val)
/* Device0 and Device1 each have their own control register,
* but QEMU models it as just one register in the controller. */
if ((bus->cmd & IDE_CTRL_RESET) &&
!(val & IDE_CTRL_RESET)) {
/* SRST triggers on falling edge */
if (!(bus->cmd & IDE_CTRL_RESET) && (val & IDE_CTRL_RESET)) {
for (i = 0; i < 2; i++) {
s = &bus->ifs[i];
s->status |= BUSY_STAT;