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qemu/0004-qemu-cvs-alsa_bitfield.patch
Olaf Hering 7adb207e17 Accepting request 383004 from home:olh:qemu
- Update to v2.6.0-rc0: See http://wiki.qemu-project.org/ChangeLog/2.6
* Patch queue updated from git://github.com/openSUSE/qemu.git opensuse-2.6
* Accept every size in DISCARD request from a guest (bsc#964427)
  0039-block-split-large-discard-requests-.patch
* Recognize libxl flag to disable flush in block device (bsc#879425)
  0040-xen_disk-Add-suse-specific-flush-di.patch
* Use correct flag for crypto tests
  0041-tests-Use-correct-config-param-for-.patch
* Fix build on powerpc:
  0042-build-link-with-libatomic-on-powerp.patch
* Patches dropped (upstreamed):
  seabios_checkrom_typo.patch
  seabios_avoid_smbios_signature_string.patch

OBS-URL: https://build.opensuse.org/request/show/383004
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=289
2016-04-05 13:18:15 +00:00

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2.5 KiB
Diff

From d2c9637b77ebbc03478f6d1a911bc01561161daa Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 14 Apr 2009 16:20:50 +0200
Subject: [PATCH] qemu-cvs-alsa_bitfield
Implements TYPE_INTBITFIELD partially. (required for ALSA support)
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Ulrich Hecht <uli@suse.de>
---
include/exec/user/thunk.h | 3 +++
thunk.c | 21 +++++++++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/include/exec/user/thunk.h b/include/exec/user/thunk.h
index ad1d602..4e082a7 100644
--- a/include/exec/user/thunk.h
+++ b/include/exec/user/thunk.h
@@ -37,6 +37,7 @@ typedef enum argtype {
TYPE_ARRAY,
TYPE_STRUCT,
TYPE_OLDDEVT,
+ TYPE_INTBITFIELD,
} argtype;
#define MK_PTR(type) TYPE_PTR, type
@@ -90,6 +91,7 @@ static inline int thunk_type_size(const argtype *type_ptr, int is_host)
case TYPE_SHORT:
return 2;
case TYPE_INT:
+ case TYPE_INTBITFIELD:
return 4;
case TYPE_LONGLONG:
case TYPE_ULONGLONG:
@@ -152,6 +154,7 @@ static inline int thunk_type_align(const argtype *type_ptr, int is_host)
case TYPE_SHORT:
return 2;
case TYPE_INT:
+ case TYPE_INTBITFIELD:
return 4;
case TYPE_LONGLONG:
case TYPE_ULONGLONG:
diff --git a/thunk.c b/thunk.c
index f057d86..6db7874 100644
--- a/thunk.c
+++ b/thunk.c
@@ -37,6 +37,7 @@ static inline const argtype *thunk_type_next(const argtype *type_ptr)
case TYPE_CHAR:
case TYPE_SHORT:
case TYPE_INT:
+ case TYPE_INTBITFIELD:
case TYPE_LONGLONG:
case TYPE_ULONGLONG:
case TYPE_LONG:
@@ -139,6 +140,26 @@ const argtype *thunk_convert(void *dst, const void *src,
case TYPE_INT:
*(uint32_t *)dst = tswap32(*(uint32_t *)src);
break;
+ case TYPE_INTBITFIELD:
+#if defined(TARGET_I386) && defined(__powerpc__)
+ /* powerpc uses the MSB, whereas i386 uses the LSB
+ * to store the first bit in a field */
+ {
+ unsigned char byte = *(uint8_t *)src;
+ *(uint8_t *)dst = ((byte >> 7) & 1)
+ | ((byte >> 5) & 2)
+ | ((byte >> 3) & 4)
+ | ((byte >> 1) & 8)
+ | ((byte << 1) & 16)
+ | ((byte << 3) & 32)
+ | ((byte << 5) & 64)
+ | ((byte << 7) & 128);
+ /* FIXME: implement for bitfields > 1 byte and other archs */
+ }
+#else
+ *(uint32_t *)dst = tswap32(*(uint32_t *)src);
+#endif
+ break;
case TYPE_LONGLONG:
case TYPE_ULONGLONG:
*(uint64_t *)dst = tswap64(*(uint64_t *)src);