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[Qemu-devel] [PATCH 2/2] ui/spice-display: use uintptr_t when casting qx
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH 2/2] ui/spice-display: use uintptr_t when casting qxl physical addresses |
Date: |
Thu, 22 Mar 2012 14:40:03 +0100 |
From: Alon Levy <address@hidden>
The current intptr_t casts are a problem when the address's highest
bit is 1, and it is cast to a intptr_t and then to uint64_t, such
as at:
surface.mem = (intptr_t)ssd->buf;
This causes the sign bit to be extended which causes a wrong address to
be passed on to spice, which then complains when it gets the wrong
slot_id number, since the slot_id is taken from the higher bits.
The assertion happens early - during the first primary surface creation.
This fixes running "-vga qxl -spice" with 32 bit compiled
qemu-system-i386.
Signed-off-by: Alon Levy <address@hidden>
Signed-off-by: Gerd Hoffmann <address@hidden>
---
ui/spice-display.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/ui/spice-display.c b/ui/spice-display.c
index 6d7563f..cb8a7ad 100644
--- a/ui/spice-display.c
+++ b/ui/spice-display.c
@@ -168,7 +168,7 @@ static SimpleSpiceUpdate
*qemu_spice_create_update(SimpleSpiceDisplay *ssd)
drawable->bbox = ssd->dirty;
drawable->clip.type = SPICE_CLIP_TYPE_NONE;
drawable->effect = QXL_EFFECT_OPAQUE;
- drawable->release_info.id = (intptr_t)update;
+ drawable->release_info.id = (uintptr_t)update;
drawable->type = QXL_DRAW_COPY;
drawable->surfaces_dest[0] = -1;
drawable->surfaces_dest[1] = -1;
@@ -179,7 +179,7 @@ static SimpleSpiceUpdate
*qemu_spice_create_update(SimpleSpiceDisplay *ssd)
+ time_space.tv_nsec / 1000 / 1000;
drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
- drawable->u.copy.src_bitmap = (intptr_t)image;
+ drawable->u.copy.src_bitmap = (uintptr_t)image;
drawable->u.copy.src_area.right = bw;
drawable->u.copy.src_area.bottom = bh;
@@ -189,7 +189,7 @@ static SimpleSpiceUpdate
*qemu_spice_create_update(SimpleSpiceDisplay *ssd)
image->bitmap.stride = bw * 4;
image->descriptor.width = image->bitmap.x = bw;
image->descriptor.height = image->bitmap.y = bh;
- image->bitmap.data = (intptr_t)(update->bitmap);
+ image->bitmap.data = (uintptr_t)(update->bitmap);
image->bitmap.palette = 0;
image->bitmap.format = SPICE_BITMAP_FMT_32BIT;
@@ -210,7 +210,7 @@ static SimpleSpiceUpdate
*qemu_spice_create_update(SimpleSpiceDisplay *ssd)
}
cmd->type = QXL_CMD_DRAW;
- cmd->data = (intptr_t)drawable;
+ cmd->data = (uintptr_t)drawable;
memset(&ssd->dirty, 0, sizeof(ssd->dirty));
return update;
@@ -254,7 +254,7 @@ void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd)
surface.mouse_mode = true;
surface.flags = 0;
surface.type = 0;
- surface.mem = (intptr_t)ssd->buf;
+ surface.mem = (uintptr_t)ssd->buf;
surface.group_id = MEMSLOT_GROUP_HOST;
qemu_spice_create_primary_surface(ssd, 0, &surface, QXL_SYNC);
--
1.7.1