From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Max Filippov" <jcmvbkbc@gmail.com>,
"Gerd Hoffmann" <kraxel@redhat.com>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
qemu-block@nongnu.org, "Aleksandar Rikalo" <arikalo@wavecomp.com>,
"Alex Bennée" <alex.bennee@linaro.org>,
"Markus Armbruster" <armbru@redhat.com>,
"Laszlo Ersek" <lersek@redhat.com>,
"David Gibson" <david@gibson.dropbear.id.au>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>,
"Eduardo Habkost" <ehabkost@redhat.com>,
qemu-arm@nongnu.org, "Alistair Francis" <alistair23@gmail.com>,
"John Snow" <jsnow@redhat.com>,
"Richard Henderson" <rth@twiddle.net>,
"Kevin Wolf" <kwolf@redhat.com>, "Max Reitz" <mreitz@redhat.com>,
"Michael Walle" <michael@walle.cc>,
qemu-ppc@nongnu.org, "Wei Yang" <richardw.yang@linux.intel.com>,
"Aleksandar Markovic" <amarkovic@wavecomp.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Aurelien Jarno" <aurelien@aurel32.net>
Subject: [Qemu-devel] [PATCH v2 7/9] hw/block/pflash_cfi01: Improve command comments
Date: Tue, 2 Jul 2019 02:12:59 +0200 [thread overview]
Message-ID: <20190702001301.4768-8-philmd@redhat.com> (raw)
In-Reply-To: <20190702001301.4768-1-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
hw/block/pflash_cfi01.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/hw/block/pflash_cfi01.c b/hw/block/pflash_cfi01.c
index c1b02219b2..f50d0a9d37 100644
--- a/hw/block/pflash_cfi01.c
+++ b/hw/block/pflash_cfi01.c
@@ -208,11 +208,11 @@ static uint32_t pflash_devid_query(PFlashCFI01 *pfl, hwaddr offset)
* Offsets 2/3 are block lock status, is not emulated.
*/
switch (boff & 0xFF) {
- case 0:
+ case 0: /* Manufacturer ID */
resp = pfl->ident0;
trace_pflash_manufacturer_id(resp);
break;
- case 1:
+ case 1: /* Device ID */
resp = pfl->ident1;
trace_pflash_device_id(resp);
break;
@@ -456,11 +456,11 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
case 0:
/* read mode */
switch (cmd) {
- case 0x10: /* Single Byte Program */
- case 0x40: /* Single Byte Program */
+ case 0x10: /* Single Byte Program (setup) */
+ case 0x40: /* Single Byte Program (setup) [Intel] */
DPRINTF("%s: Single Byte Program\n", __func__);
break;
- case 0x20: /* Block erase */
+ case 0x20: /* Block erase (setup) */
p = pfl->storage;
offset &= ~(pfl->sector_len - 1);
@@ -516,8 +516,8 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
break;
case 1:
switch (pfl->cmd) {
- case 0x10: /* Single Byte Program */
- case 0x40: /* Single Byte Program */
+ case 0x10: /* Single Byte Program (confirm) */
+ case 0x40: /* Single Byte Program (confirm) [Intel] */
DPRINTF("%s: Single Byte Program\n", __func__);
if (!pfl->ro) {
pflash_data_write(pfl, offset, value, width, be);
@@ -528,7 +528,7 @@ static void pflash_write(PFlashCFI01 *pfl, hwaddr offset,
pfl->status |= 0x80; /* Ready! */
pfl->wcycle = 0;
break;
- case 0x20: /* Block erase */
+ case 0x20: /* Block erase (confirm) */
case 0x28:
if (cmd == 0xd0) { /* confirm */
pfl->wcycle = 0;
--
2.20.1
next prev parent reply other threads:[~2019-07-02 2:55 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-02 0:12 [Qemu-devel] [PATCH v2 0/9] hw/block/pflash_cfi01: Add DeviceReset() handler Philippe Mathieu-Daudé
2019-07-02 0:12 ` [Qemu-devel] [PATCH v2 1/9] hw/block/pflash_cfi01: Removed an unused timer Philippe Mathieu-Daudé
2019-07-02 15:58 ` Alistair Francis
2019-07-02 0:12 ` [Qemu-devel] [PATCH v2 2/9] hw/block/pflash_cfi01: Use the correct READ_ARRAY value Philippe Mathieu-Daudé
2019-07-02 2:54 ` John Snow
2019-07-02 15:59 ` Alistair Francis
2019-07-02 0:12 ` [Qemu-devel] [PATCH v2 3/9] hw/block/pflash_cfi01: Extract pflash_mode_read_array() Philippe Mathieu-Daudé
2019-07-02 3:01 ` John Snow
2019-07-02 16:01 ` Alistair Francis
2019-07-02 0:12 ` [Qemu-devel] [PATCH v2 4/9] hw/block/pflash_cfi01: Start state machine as READY to accept commands Philippe Mathieu-Daudé
2019-07-02 3:04 ` John Snow
2019-07-02 16:02 ` Alistair Francis
2019-07-02 0:12 ` [Qemu-devel] [PATCH v2 5/9] hw/block/pflash_cfi01: Add the DeviceReset() handler Philippe Mathieu-Daudé
2019-07-02 3:16 ` John Snow
2019-07-02 9:23 ` Peter Maydell
2019-07-02 9:37 ` Philippe Mathieu-Daudé
2019-07-02 14:32 ` Laszlo Ersek
2019-07-02 12:30 ` John Snow
2019-07-02 12:14 ` Laszlo Ersek
2019-07-02 0:12 ` [Qemu-devel] [PATCH v2 6/9] hw/block/pflash_cfi01: Simplify CFI_QUERY processing Philippe Mathieu-Daudé
2019-07-02 16:03 ` Alistair Francis
2019-07-02 0:12 ` Philippe Mathieu-Daudé [this message]
2019-07-02 16:13 ` [Qemu-devel] [PATCH v2 7/9] hw/block/pflash_cfi01: Improve command comments Alistair Francis
2019-07-02 0:13 ` [Qemu-devel] [PATCH v2 8/9] hw/block/pflash_cfi01: Replace DPRINTF by qemu_log_mask(GUEST_ERROR) Philippe Mathieu-Daudé
2019-07-02 16:15 ` Alistair Francis
2019-07-02 0:13 ` [Qemu-devel] [PATCH v2 9/9] hw/block/pflash_cfi01: Hold the PRI table offset in a variable Philippe Mathieu-Daudé
2019-07-02 16:17 ` Alistair Francis
2019-07-02 6:15 ` [Qemu-devel] [PATCH v2 0/9] hw/block/pflash_cfi01: Add DeviceReset() handler no-reply
2019-07-02 10:17 ` Philippe Mathieu-Daudé
2019-07-02 11:52 ` Laszlo Ersek
2019-07-02 13:41 ` Laszlo Ersek
2019-07-02 21:00 ` Laszlo Ersek
2019-07-02 15:28 ` Philippe Mathieu-Daudé
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