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[Qemu-devel] [PULL 12/18] m25p80: Introduce COLLECTING_VAR_LEN_DATA stat
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PULL 12/18] m25p80: Introduce COLLECTING_VAR_LEN_DATA state. |
Date: |
Mon, 27 Jun 2016 15:45:04 +0100 |
From: Marcin Krzeminski <address@hidden>
Some flash allows to stop read at any time.
Allow framework to support this.
Signed-off-by: Marcin Krzeminski <address@hidden>
Reviewed-by: Cédric Le Goater <address@hidden>
Message-id: address@hidden
Signed-off-by: Peter Maydell <address@hidden>
---
hw/block/m25p80.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index 187899c..0af2ee4 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -330,6 +330,7 @@ typedef enum {
STATE_PAGE_PROGRAM,
STATE_READ,
STATE_COLLECTING_DATA,
+ STATE_COLLECTING_VAR_LEN_DATA,
STATE_READING_DATA,
} CMDState;
@@ -872,6 +873,9 @@ static int m25p80_cs(SSISlave *ss, bool select)
Flash *s = M25P80(ss);
if (select) {
+ if (s->state == STATE_COLLECTING_VAR_LEN_DATA) {
+ complete_collecting_data(s);
+ }
s->len = 0;
s->pos = 0;
s->state = STATE_IDLE;
@@ -905,6 +909,7 @@ static uint32_t m25p80_transfer8(SSISlave *ss, uint32_t tx)
break;
case STATE_COLLECTING_DATA:
+ case STATE_COLLECTING_VAR_LEN_DATA:
s->data[s->len] = (uint8_t)tx;
s->len++;
--
1.9.1
- [Qemu-devel] [PULL 16/18] m25p80: Fast read commands family changes., (continued)
- [Qemu-devel] [PULL 16/18] m25p80: Fast read commands family changes., Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 14/18] m25p80: Introduce quad and equad modes., Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 09/18] m25p80: Replace JEDEC ID masking with function., Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 07/18] ast2400: Integrate the SCU model and set silicon revision, Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 15/18] m25p80: Introduce configuration registers., Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 08/18] palmetto-bmc: Configure the SCU's hardware strapping register, Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 05/18] arm: Re-enable tmp105 test, Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 18/18] m25p80: Fix WINBOND fast read command handling, Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 10/18] m25p80: Make a table for JEDEC ID., Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 13/18] m25p80: Add additional flash commands:, Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 12/18] m25p80: Introduce COLLECTING_VAR_LEN_DATA state.,
Peter Maydell <=
- [Qemu-devel] [PULL 04/18] cadence_gem: Set the last bit when wrap is set, Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 01/18] hw/intc/arm_gicv3: Add missing break, Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 11/18] m25p80: Allow more than four banks., Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 02/18] cadence_uart: Protect against transmit errors, Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 17/18] m25p80: New flash devices., Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 06/18] hw/misc: Add a model for the ASPEED System Control Unit, Peter Maydell, 2016/06/27
- [Qemu-devel] [PULL 03/18] cadence_gem: Avoid infinite loops with a misconfigured buffer, Peter Maydell, 2016/06/27
- Re: [Qemu-devel] [PULL 00/18] target-arm queue, Peter Maydell, 2016/06/27