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authorMarcelo Tosatti <mtosatti@redhat.com>2012-10-11 05:27:15 -0300
committerMarcelo Tosatti <mtosatti@redhat.com>2012-10-11 05:27:15 -0300
commit4d9367b76f71c6d938cf8201392abe4bfb1136cb (patch)
tree93a31afc3151c19e4906aed6748e842d8431fb02 /qemu-timer.h
parent6b414d9fb86527118f3ddb81a1d1a684b3548a9d (diff)
parent8e65440d5f64435c003d32088757f702b86af9b4 (diff)
Merge branch 'upstream-merge'HEADnextmaster
* upstream-merge: (575 commits) ssi: Add slave autoconnect helper MAINTAINERS: Added maintainerships for SSI xilinx_zynq: Added SPI controllers + flashes xilinx_spips: Xilinx Zynq SPI cntrlr device model petalogix-ml605: added SPI controller with n25q128 xilinx_spi: Initial impl. of Xilinx SPI controller m25p80: Initial implementation of SPI flash device hw: Added generic FIFO API. stellaris: Removed SSI mux qdev: allow multiple qdev_init_gpio_in() calls ssi: Added create_slave_no_init() ssi: Implemented CS behaviour ssi: Support for multiple attached devices qemu-barrier: Fix compilation on i386 hosts target-sparc: Optimize conditionals using SUBCC target-sparc: Fall through from not-taken trap target-sparc: Cleanup "global" temporary allocation target-sparc: Use movcond for FMOV*R target-sparc: Use movcond in mulscc target-sparc: Move taddcctv and tsubcctv out of line ... Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'qemu-timer.h')
-rw-r--r--qemu-timer.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/qemu-timer.h b/qemu-timer.h
index f8af595f1..da7e97cd5 100644
--- a/qemu-timer.h
+++ b/qemu-timer.h
@@ -218,7 +218,7 @@ static inline int64_t cpu_get_real_ticks(void)
return val;
}
-#elif defined(__sparc_v8plus__) || defined(__sparc_v8plusa__) || defined(__sparc_v9__)
+#elif defined(__sparc__)
static inline int64_t cpu_get_real_ticks (void)
{
@@ -227,6 +227,8 @@ static inline int64_t cpu_get_real_ticks (void)
asm volatile("rd %%tick,%0" : "=r"(rval));
return rval;
#else
+ /* We need an %o or %g register for this. For recent enough gcc
+ there is an "h" constraint for that. Don't bother with that. */
union {
uint64_t i64;
struct {
@@ -234,8 +236,8 @@ static inline int64_t cpu_get_real_ticks (void)
uint32_t low;
} i32;
} rval;
- asm volatile("rd %%tick,%1; srlx %1,32,%0"
- : "=r"(rval.i32.high), "=r"(rval.i32.low));
+ asm volatile("rd %%tick,%%g1; srlx %%g1,32,%0; mov %%g1,%1"
+ : "=r"(rval.i32.high), "=r"(rval.i32.low) : : "g1");
return rval.i64;
#endif
}