diff options
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu-0.15.1/a4d1f142542935b90d2eb30f3aead4edcf455fe6.patch | 66 | ||||
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu_0.15.1.bb | 3 |
2 files changed, 68 insertions, 1 deletions
diff --git a/meta/recipes-devtools/qemu/qemu-0.15.1/a4d1f142542935b90d2eb30f3aead4edcf455fe6.patch b/meta/recipes-devtools/qemu/qemu-0.15.1/a4d1f142542935b90d2eb30f3aead4edcf455fe6.patch new file mode 100644 index 0000000000..405d557bdc --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu-0.15.1/a4d1f142542935b90d2eb30f3aead4edcf455fe6.patch @@ -0,0 +1,66 @@ +From a4d1f142542935b90d2eb30f3aead4edcf455fe6 Mon Sep 17 00:00:00 2001 +From: Aurelien Jarno <aurelien@aurel32.net> +Date: Sat, 7 Jan 2012 15:20:11 +0100 +Subject: [PATCH 1/1] target-i386: fix {min,max}{pd,ps,sd,ss} SSE2 instructions + +minpd, minps, minsd, minss and maxpd, maxps, maxsd, maxss SSE2 +instructions have been broken when switching target-i386 to softfloat. +It's not possible to use comparison instructions on float types anymore +to softfloat, so use the floatXX_lt function instead, as the +float_XX_min and float_XX_max functions can't be used due to the Intel +specific behaviour. + +As it implements the correct NaNs behaviour, let's remove the +corresponding entry from the TODO. + +It fixes GDM screen display on Debian Lenny. + +Thanks to Peter Maydell and Jason Wessel for their analysis of the +problem. + +Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> +--- + target-i386/TODO | 1 - + target-i386/ops_sse.h | 9 +++++++-- + 2 files changed, 7 insertions(+), 3 deletions(-) + +This fixes scrollbar issues in matchbox-terminal/vte on qemux86-64 and +files not appearing in pcmanfm, as well as glib/gobject errors to do with gdoubles +on the console [YOCTO #1906] + +Upstream-Status: Backport + +Index: qemu-0.15.1/target-i386/TODO +=================================================================== +--- qemu-0.15.1.orig/target-i386/TODO 2011-10-12 16:41:43.000000000 +0000 ++++ qemu-0.15.1/target-i386/TODO 2012-04-19 07:30:38.704073075 +0000 +@@ -15,7 +15,6 @@ + - DRx register support + - CR0.AC emulation + - SSE alignment checks +-- fix SSE min/max with nans + + Optimizations/Features: + +Index: qemu-0.15.1/target-i386/ops_sse.h +=================================================================== +--- qemu-0.15.1.orig/target-i386/ops_sse.h 2011-10-12 16:41:43.000000000 +0000 ++++ qemu-0.15.1/target-i386/ops_sse.h 2012-04-19 07:30:38.712073076 +0000 +@@ -584,10 +584,15 @@ + #define FPU_SUB(size, a, b) float ## size ## _sub(a, b, &env->sse_status) + #define FPU_MUL(size, a, b) float ## size ## _mul(a, b, &env->sse_status) + #define FPU_DIV(size, a, b) float ## size ## _div(a, b, &env->sse_status) +-#define FPU_MIN(size, a, b) (a) < (b) ? (a) : (b) +-#define FPU_MAX(size, a, b) (a) > (b) ? (a) : (b) + #define FPU_SQRT(size, a, b) float ## size ## _sqrt(b, &env->sse_status) + ++/* Note that the choice of comparison op here is important to get the ++ * special cases right: for min and max Intel specifies that (-0,0), ++ * (NaN, anything) and (anything, NaN) return the second argument. ++ */ ++#define FPU_MIN(size, a, b) float ## size ## _lt(a, b, &env->sse_status) ? (a) : (b) ++#define FPU_MAX(size, a, b) float ## size ## _lt(b, a, &env->sse_status) ? (a) : (b) ++ + SSE_HELPER_S(add, FPU_ADD) + SSE_HELPER_S(sub, FPU_SUB) + SSE_HELPER_S(mul, FPU_MUL) diff --git a/meta/recipes-devtools/qemu/qemu_0.15.1.bb b/meta/recipes-devtools/qemu/qemu_0.15.1.bb index 05ea5f8ac7..e90f3398d5 100644 --- a/meta/recipes-devtools/qemu/qemu_0.15.1.bb +++ b/meta/recipes-devtools/qemu/qemu_0.15.1.bb @@ -3,7 +3,7 @@ require qemu.inc LIC_FILES_CHKSUM = "file://COPYING;md5=441c28d2cf86e15a37fa47e15a72fbac \ file://COPYING.LIB;endline=24;md5=c04def7ae38850e7d3ef548588159913" -PR = "r5" +PR = "r6" FILESPATH = "${FILE_DIRNAME}/qemu-${PV}" FILESDIR = "${WORKDIR}" @@ -18,6 +18,7 @@ SRC_URI = "\ file://fallback-to-safe-mmap_min_addr.patch \ file://larger_default_ram_size.patch \ file://arm-bgr.patch \ + file://a4d1f142542935b90d2eb30f3aead4edcf455fe6.patch \ " # Only use the GL passthrough patches for native/nativesdk versions |