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authorPeter Maydell <peter.maydell@linaro.org>2014-02-20 13:05:47 +0000
committerPeter Maydell <peter.maydell@linaro.org>2014-02-20 13:05:48 +0000
commit61e8a923646903d76a6d952019716b417d42eedc (patch)
tree038e4c1921d45b2fe5d650a8fb476bb8169a1544 /qapi/string-output-visitor.c
parent4c0c9bbe78901a706497a8fa1a27935bafc20cf7 (diff)
parent91f32b0c92fb18a403e48d3c8ffc14422a0c1ca5 (diff)
downloadhqemu-61e8a923646903d76a6d952019716b417d42eedc.zip
hqemu-61e8a923646903d76a6d952019716b417d42eedc.tar.gz
Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-peter' into staging
QOM infrastructure fixes and device conversions * QTest cleanups and test cases for PCI NICs * NAND fix for "info qtree" * Cleanup and extension of QOM machine tests * IndustryPack test cases and conversion to QOM realize * I2C cleanups * Cleanups of legacy qdev properties # gpg: Signature made Mon 17 Feb 2014 22:15:37 GMT using RSA key ID 3E7E013F # gpg: Good signature from "Andreas Färber <afaerber@suse.de>" # gpg: aka "Andreas Färber <afaerber@suse.com>" * remotes/afaerber/tags/qom-devices-for-peter: (49 commits) qtest: Include system headers before user headers qapi: Refine human printing of sizes qdev: Use QAPI type names for properties qdev: Add enum property types to QAPI schema block: Handle "rechs" and "large" translation options qdev: Remove hex8/32/64 property types qdev: Remove most legacy printers qdev: Use human mode in "info qtree" qapi: Add human mode to StringOutputVisitor qdev: Inline qdev_prop_parse() qdev: Legacy properties are just strings qdev: Legacy properties are now read-only qdev: Remove legacy parsers for hex8/32/64 qdev: Sizes are now parsed by StringInputVisitor qapi: Add size parser to StringInputVisitor qtest: Don't segfault with invalid -qtest option ipack: Move IndustryPack out of hw/char/ ipoctal232: QOM parent field cleanup ipack: QOM parent field cleanup for IPackDevice ipack: QOM parent field cleanup for IPackBus ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'qapi/string-output-visitor.c')
-rw-r--r--qapi/string-output-visitor.c56
1 files changed, 53 insertions, 3 deletions
diff --git a/qapi/string-output-visitor.c b/qapi/string-output-visitor.c
index 921653d..fb1d2e8 100644
--- a/qapi/string-output-visitor.c
+++ b/qapi/string-output-visitor.c
@@ -14,10 +14,13 @@
#include "qapi/string-output-visitor.h"
#include "qapi/visitor-impl.h"
#include "qapi/qmp/qerror.h"
+#include "qemu/host-utils.h"
+#include <math.h>
struct StringOutputVisitor
{
Visitor visitor;
+ bool human;
char *string;
};
@@ -31,7 +34,45 @@ static void print_type_int(Visitor *v, int64_t *obj, const char *name,
Error **errp)
{
StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);
- string_output_set(sov, g_strdup_printf("%lld", (long long) *obj));
+ char *out;
+
+ if (sov->human) {
+ out = g_strdup_printf("%lld (%#llx)", (long long) *obj, (long long) *obj);
+ } else {
+ out = g_strdup_printf("%lld", (long long) *obj);
+ }
+ string_output_set(sov, out);
+}
+
+static void print_type_size(Visitor *v, uint64_t *obj, const char *name,
+ Error **errp)
+{
+ StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);
+ static const char suffixes[] = { 'B', 'K', 'M', 'G', 'T', 'P', 'E' };
+ uint64_t div, val;
+ char *out;
+ int i;
+
+ if (!sov->human) {
+ out = g_strdup_printf("%"PRIu64, *obj);
+ string_output_set(sov, out);
+ return;
+ }
+
+ val = *obj;
+
+ /* The exponent (returned in i) minus one gives us
+ * floor(log2(val * 1024 / 1000). The correction makes us
+ * switch to the higher power when the integer part is >= 1000.
+ */
+ frexp(val / (1000.0 / 1024.0), &i);
+ i = (i - 1) / 10;
+ assert(i < ARRAY_SIZE(suffixes));
+ div = 1ULL << (i * 10);
+
+ out = g_strdup_printf("%"PRIu64" (%0.3g %c%s)", val,
+ (double)val/div, suffixes[i], i ? "iB" : "");
+ string_output_set(sov, out);
}
static void print_type_bool(Visitor *v, bool *obj, const char *name,
@@ -45,7 +86,14 @@ static void print_type_str(Visitor *v, char **obj, const char *name,
Error **errp)
{
StringOutputVisitor *sov = DO_UPCAST(StringOutputVisitor, visitor, v);
- string_output_set(sov, g_strdup(*obj ? *obj : ""));
+ char *out;
+
+ if (sov->human) {
+ out = *obj ? g_strdup_printf("\"%s\"", *obj) : g_strdup("<null>");
+ } else {
+ out = g_strdup(*obj ? *obj : "");
+ }
+ string_output_set(sov, out);
}
static void print_type_number(Visitor *v, double *obj, const char *name,
@@ -73,14 +121,16 @@ void string_output_visitor_cleanup(StringOutputVisitor *sov)
g_free(sov);
}
-StringOutputVisitor *string_output_visitor_new(void)
+StringOutputVisitor *string_output_visitor_new(bool human)
{
StringOutputVisitor *v;
v = g_malloc0(sizeof(*v));
+ v->human = human;
v->visitor.type_enum = output_type_enum;
v->visitor.type_int = print_type_int;
+ v->visitor.type_size = print_type_size;
v->visitor.type_bool = print_type_bool;
v->visitor.type_str = print_type_str;
v->visitor.type_number = print_type_number;
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