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intel_extreme: use user_memcpy to write to user mapped memory.

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* now boot successfully to desktop with SMAP enabled on intel_extreme.
* enforced 80 chars/line on two occasions.
This commit is contained in:
Jérôme Duval 2018-07-01 14:07:38 +02:00
parent aa033e3412
commit 5bd8cf13c5
1 changed files with 12 additions and 6 deletions
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18
src/add-ons/kernel/drivers/graphics/intel_extreme/intel_extreme.cpp
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@ -39,13 +39,17 @@
static void
init_overlay_registers(overlay_registers* registers)
init_overlay_registers(overlay_registers* _registers)
{
memset(registers, 0, B_PAGE_SIZE);
user_memset(_registers, 0, B_PAGE_SIZE);
registers->contrast_correction = 0x48;
registers->saturation_cos_correction = 0x9a;
overlay_registers registers;
memset(&registers, 0, sizeof(registers));
registers.contrast_correction = 0x48;
registers.saturation_cos_correction = 0x9a;
// this by-passes contrast and saturation correction
user_memcpy(_registers, &registers, sizeof(overlay_registers));
}
@ -308,7 +312,8 @@ intel_extreme_init(intel_info &info)
info.aperture = gGART->map_aperture(info.pci->bus, info.pci->device,
info.pci->function, 0, &info.aperture_base);
if (info.aperture < B_OK) {
ERROR("error: could not map GART aperture! (%s)\n", strerror(info.aperture));
ERROR("error: could not map GART aperture! (%s)\n",
strerror(info.aperture));
return info.aperture;
}
@ -316,7 +321,8 @@ intel_extreme_init(intel_info &info)
info.shared_area = sharedCreator.Create("intel extreme shared info",
(void**)&info.shared_info, B_ANY_KERNEL_ADDRESS,
ROUND_TO_PAGE_SIZE(sizeof(intel_shared_info)) + 3 * B_PAGE_SIZE,
B_FULL_LOCK, B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA | B_USER_CLONEABLE_AREA);
B_FULL_LOCK,
B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA | B_USER_CLONEABLE_AREA);
if (info.shared_area < B_OK) {
ERROR("error: could not create shared area!\n");
gGART->unmap_aperture(info.aperture);