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author | Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> | 2015-11-13 18:13:07 -0800 |
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committer | David Gibson <david@gibson.dropbear.id.au> | 2016-01-11 15:28:49 +1100 |
commit | 7d94a30b549281d4d780fb9a5cca3dae378329d4 (patch) | |
tree | 44fe00af80e00f73689594ad440268be60df92a0 /target-ppc | |
parent | 54c6de864fb6286ce8e9035f10f3193d2caf0897 (diff) | |
download | qemu-7d94a30b549281d4d780fb9a5cca3dae378329d4.zip qemu-7d94a30b549281d4d780fb9a5cca3dae378329d4.tar.gz qemu-7d94a30b549281d4d780fb9a5cca3dae378329d4.tar.bz2 |
target-ppc: Define kvmppc_read_int_dt()
Extract code from the function kvmppc_read_int_cpu_dt() that actually
reads the file into a separate function, so it can be called from
other places.
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc')
-rw-r--r-- | target-ppc/kvm.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index ac70f08..9940a90 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -1838,13 +1838,8 @@ static int kvmppc_find_cpu_dt(char *buf, int buf_len) return 0; } -/* Read a CPU node property from the host device tree that's a single - * integer (32-bit or 64-bit). Returns 0 if anything goes wrong - * (can't find or open the property, or doesn't understand the - * format) */ -static uint64_t kvmppc_read_int_cpu_dt(const char *propname) +static uint64_t kvmppc_read_int_dt(const char *filename) { - char buf[PATH_MAX], *tmp; union { uint32_t v32; uint64_t v64; @@ -1852,14 +1847,7 @@ static uint64_t kvmppc_read_int_cpu_dt(const char *propname) FILE *f; int len; - if (kvmppc_find_cpu_dt(buf, sizeof(buf))) { - return -1; - } - - tmp = g_strdup_printf("%s/%s", buf, propname); - - f = fopen(tmp, "rb"); - g_free(tmp); + f = fopen(filename, "rb"); if (!f) { return -1; } @@ -1877,6 +1865,26 @@ static uint64_t kvmppc_read_int_cpu_dt(const char *propname) return 0; } +/* Read a CPU node property from the host device tree that's a single + * integer (32-bit or 64-bit). Returns 0 if anything goes wrong + * (can't find or open the property, or doesn't understand the + * format) */ +static uint64_t kvmppc_read_int_cpu_dt(const char *propname) +{ + char buf[PATH_MAX], *tmp; + uint64_t val; + + if (kvmppc_find_cpu_dt(buf, sizeof(buf))) { + return -1; + } + + tmp = g_strdup_printf("%s/%s", buf, propname); + val = kvmppc_read_int_dt(tmp); + g_free(tmp); + + return val; +} + uint64_t kvmppc_get_clockfreq(void) { return kvmppc_read_int_cpu_dt("clock-frequency"); |