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| author | Philippe Mathieu-Daudé <philmd@redhat.com> | 2019-05-05 23:21:19 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@redhat.com> | 2019-07-02 02:31:13 +0200 |
| commit | 3e4bcf89b7acea62e248ee048c1c67767be88f98 (patch) | |
| tree | b67fb33d0892e9ad754297d29ece6bc96fdec3e6 /hw/block/pflash_cfi02.c | |
| parent | c3d25271b2117a1416f5818d9d2b399b4e1e77b3 (diff) | |
| download | qemu-3e4bcf89b7acea62e248ee048c1c67767be88f98.zip qemu-3e4bcf89b7acea62e248ee048c1c67767be88f98.tar.gz qemu-3e4bcf89b7acea62e248ee048c1c67767be88f98.tar.bz2 | |
hw/block/pflash_cfi02: Use the ldst API in pflash_read()
The load/store API eases code review.
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, simplified tracing]
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 | 32 |
1 files changed, 5 insertions, 27 deletions
diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c index ae38ed0..49afecb 100644 --- a/hw/block/pflash_cfi02.c +++ b/hw/block/pflash_cfi02.c @@ -196,33 +196,11 @@ static uint32_t pflash_read(PFlashCFI02 *pfl, hwaddr offset, case 0x00: flash_read: /* Flash area read */ - p = pfl->storage; - switch (width) { - case 1: - ret = p[offset]; - break; - case 2: - if (be) { - ret = p[offset] << 8; - ret |= p[offset + 1]; - } else { - ret = p[offset]; - ret |= p[offset + 1] << 8; - } - break; - case 4: - if (be) { - ret = p[offset] << 24; - ret |= p[offset + 1] << 16; - ret |= p[offset + 2] << 8; - ret |= p[offset + 3]; - } else { - ret = p[offset]; - ret |= p[offset + 1] << 8; - ret |= p[offset + 2] << 16; - ret |= p[offset + 3] << 24; - } - break; + p = (uint8_t *)pfl->storage + offset; + if (pfl->be) { + ret = ldn_be_p(p, width); + } else { + ret = ldn_le_p(p, width); } trace_pflash_data_read(offset, width << 1, ret); break; |