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[Qemu-devel] [PULL 20/25] lsi: use ldn_le_p()/stn_le_p()
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 20/25] lsi: use ldn_le_p()/stn_le_p() |
Date: |
Sat, 9 Mar 2019 08:48:13 +0100 |
From: Sven Schnelle <address@hidden>
Instead of using the open-coded versions, use the helper already
present as this makes the code easier to read and less error-prone.
Signed-off-by: Sven Schnelle <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Message-Id: <address@hidden>
---
hw/scsi/lsi53c895a.c | 24 ++++--------------------
1 file changed, 4 insertions(+), 20 deletions(-)
diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c
index bcff859..402b785 100644
--- a/hw/scsi/lsi53c895a.c
+++ b/hw/scsi/lsi53c895a.c
@@ -289,8 +289,7 @@ typedef struct {
uint8_t sbr;
uint32_t adder;
- /* Script ram is stored as 32-bit words in host byteorder. */
- uint32_t script_ram[2048];
+ uint8_t script_ram[2048 * sizeof(uint32_t)];
} LSIState;
#define TYPE_LSI53C810 "lsi53c810"
@@ -2079,29 +2078,14 @@ static void lsi_ram_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size)
{
LSIState *s = opaque;
- uint32_t newval;
- uint32_t mask;
- int shift;
-
- newval = s->script_ram[addr >> 2];
- shift = (addr & 3) * 8;
- mask = ((uint64_t)1 << (size * 8)) - 1;
- newval &= ~(mask << shift);
- newval |= val << shift;
- s->script_ram[addr >> 2] = newval;
+ stn_le_p(s->script_ram + addr, size, val);
}
static uint64_t lsi_ram_read(void *opaque, hwaddr addr,
unsigned size)
{
LSIState *s = opaque;
- uint32_t val;
- uint32_t mask;
-
- val = s->script_ram[addr >> 2];
- mask = ((uint64_t)1 << (size * 8)) - 1;
- val >>= (addr & 3) * 8;
- return val & mask;
+ return ldn_le_p(s->script_ram + addr, size);
}
static const MemoryRegionOps lsi_ram_ops = {
@@ -2244,7 +2228,7 @@ static const VMStateDescription vmstate_lsi_scsi = {
VMSTATE_BUFFER_UNSAFE(scratch, LSIState, 0, 18 * sizeof(uint32_t)),
VMSTATE_UINT8(sbr, LSIState),
- VMSTATE_BUFFER_UNSAFE(script_ram, LSIState, 0, 2048 *
sizeof(uint32_t)),
+ VMSTATE_BUFFER_UNSAFE(script_ram, LSIState, 0, 8192),
VMSTATE_END_OF_LIST()
}
};
--
1.8.3.1
- [Qemu-devel] [PULL 01/25] memory: Do not update coalesced IO range in the case of NOP, (continued)
- [Qemu-devel] [PULL 01/25] memory: Do not update coalesced IO range in the case of NOP, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 03/25] hw/i386/pc: run the multiboot loader before the PVH loader, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 02/25] vfio-pci: enable by default, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 04/25] block/iscsi: Restrict Linux-specific code, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 08/25] i386: extended the cpuid_level when Intel PT is enabled, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 07/25] target-i386: add kvm stubs to user-mode emulators, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 14/25] build: remove unnecessary assignments from Makefile.target, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 12/25] update copyright notice, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 19/25] scsi-disk: Fix crash if request is invaild or disk is no medium, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 11/25] lsi: check if SIGP bit is already set in Wait reselect, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 20/25] lsi: use ldn_le_p()/stn_le_p(),
Paolo Bonzini <=
- [Qemu-devel] [PULL 17/25] oslib-posix: Ignore fcntl("/dev/null", F_SETFL, O_NONBLOCK) failure, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 16/25] accel: Allow to build QEMU without TCG or KVM support, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 24/25] lsi: return dfifo value, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 10/25] lsi: implement basic SBCL functionality, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 06/25] configure: Enable werror for git worktrees, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 18/25] configure: Disable W^X on OpenBSD, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 25/25] exec: streamline flatview_add_to_dispatch, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 22/25] lsi: use enum type for s->msg_action, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 09/25] virtio-scsi: Fix build with gcc 9, Paolo Bonzini, 2019/03/09
- [Qemu-devel] [PULL 23/25] lsi: use SCSI phase names instead of numbers in trace, Paolo Bonzini, 2019/03/09