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Re: [Qemu-devel] [PATCH v2 19/23] qdev: Add HEX8 property


From: Andreas Färber
Subject: Re: [Qemu-devel] [PATCH v2 19/23] qdev: Add HEX8 property
Date: Fri, 07 Oct 2011 10:39:39 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0) Gecko/20110922 Thunderbird/7.0

Am 07.10.2011 09:19, schrieb Jan Kiszka:
Signed-off-by: Jan Kiszka<address@hidden>

Reviewed-by: Andreas Färber <address@hidden>

If you resend the series, a one-sentence description would be nice.

Andreas

---
  hw/qdev-properties.c |   29 +++++++++++++++++++++++++++++
  hw/qdev.h            |    3 +++
  2 files changed, 32 insertions(+), 0 deletions(-)

diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c
index e0e54aa..f0b811c 100644
--- a/hw/qdev-properties.c
+++ b/hw/qdev-properties.c
@@ -93,6 +93,35 @@ PropertyInfo qdev_prop_uint8 = {
      .print = print_uint8,
  };

+/* --- 8bit hex value --- */
+
+static int parse_hex8(DeviceState *dev, Property *prop, const char *str)
+{
+    uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
+    char *end;
+
+    *ptr = strtoul(str,&end, 16);
+    if ((*end != '\0') || (end == str)) {
+        return -EINVAL;
+    }
+
+    return 0;
+}
+
+static int print_hex8(DeviceState *dev, Property *prop, char *dest, size_t len)
+{
+    uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
+    return snprintf(dest, len, "0x%" PRIx8, *ptr);
+}
+
+PropertyInfo qdev_prop_hex8 = {
+    .name  = "hex8",
+    .type  = PROP_TYPE_UINT8,
+    .size  = sizeof(uint8_t),
+    .parse = parse_hex8,
+    .print = print_hex8,
+};
+
  /* --- 16bit integer --- */

  static int parse_uint16(DeviceState *dev, Property *prop, const char *str)
diff --git a/hw/qdev.h b/hw/qdev.h
index 8a13ec9..aa7ae36 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -224,6 +224,7 @@ extern PropertyInfo qdev_prop_uint16;
  extern PropertyInfo qdev_prop_uint32;
  extern PropertyInfo qdev_prop_int32;
  extern PropertyInfo qdev_prop_uint64;
+extern PropertyInfo qdev_prop_hex8;
  extern PropertyInfo qdev_prop_hex32;
  extern PropertyInfo qdev_prop_hex64;
  extern PropertyInfo qdev_prop_string;
@@ -267,6 +268,8 @@ extern PropertyInfo qdev_prop_pci_devfn;
      DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_int32, int32_t)
  #define DEFINE_PROP_UINT64(_n, _s, _f, _d)                      \
      DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint64, uint64_t)
+#define DEFINE_PROP_HEX8(_n, _s, _f, _d)                       \
+    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex8, uint8_t)
  #define DEFINE_PROP_HEX32(_n, _s, _f, _d)                       \
      DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex32, uint32_t)
  #define DEFINE_PROP_HEX64(_n, _s, _f, _d)                       \



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