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| author | Philippe Mathieu-Daudé <philmd@redhat.com> | 2019-05-05 22:42:08 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@redhat.com> | 2019-07-02 02:31:13 +0200 |
| commit | aeaf6c20dbcfed5c459d9f6b39cb5fa2187f0b29 (patch) | |
| tree | 9103d4641e7ec7d941a76738064ae16c6048c76e /hw/block/pflash_cfi02.c | |
| parent | 6536987fd6aa52adbb6c128db1952e7c62f5c82b (diff) | |
| download | qemu-aeaf6c20dbcfed5c459d9f6b39cb5fa2187f0b29.zip qemu-aeaf6c20dbcfed5c459d9f6b39cb5fa2187f0b29.tar.gz qemu-aeaf6c20dbcfed5c459d9f6b39cb5fa2187f0b29.tar.bz2 | |
hw/block/pflash_cfi02: Add an enum to define the write cycles
No change in functionality is intended with this commit.
Signed-off-by: Stephen Checkoway <stephen.checkoway@oberlin.edu>
Message-Id: <20190426162624.55977-3-stephen.checkoway@oberlin.edu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
[PMD: Extracted from bigger patch]
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Diffstat (limited to 'hw/block/pflash_cfi02.c')
| -rw-r--r-- | hw/block/pflash_cfi02.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c index 43796e5..303d225 100644 --- a/hw/block/pflash_cfi02.c +++ b/hw/block/pflash_cfi02.c @@ -57,6 +57,11 @@ do { \ #define PFLASH_LAZY_ROMD_THRESHOLD 42 +/* Special write cycles for CFI queries. */ +enum { + WCYCLE_CFI = 7, +}; + struct PFlashCFI02 { /*< private >*/ SysBusDevice parent_obj; @@ -286,7 +291,7 @@ static void pflash_write(PFlashCFI02 *pfl, hwaddr offset, if (boff == 0x55 && cmd == 0x98) { enter_CFI_mode: /* Enter CFI query mode */ - pfl->wcycle = 7; + pfl->wcycle = WCYCLE_CFI; pfl->cmd = 0x98; return; } @@ -458,7 +463,8 @@ static void pflash_write(PFlashCFI02 *pfl, hwaddr offset, goto reset_flash; } break; - case 7: /* Special value for CFI queries */ + /* Special values for CFI queries */ + case WCYCLE_CFI: DPRINTF("%s: invalid write in CFI query mode\n", __func__); goto reset_flash; default: |