Re: [Qemu-devel] [PATCH v7 1/8] linker-loader: Add new 'write pointer' command

2017-02-16 Thread Laszlo Ersek
On 02/16/17 07:18, b...@skyportsystems.com wrote: > From: Ben Warren > > This is similar to the existing 'add pointer' functionality, but instead > of instructing the guest (BIOS or UEFI) to patch memory, it instructs > the guest to write the pointer back to QEMU via a writeable fw_cfg file. > >

Re: [Qemu-devel] [PATCH v7 1/8] linker-loader: Add new 'write pointer' command

2017-02-16 Thread Ben Warren
> On Feb 16, 2017, at 9:01 AM, Laszlo Ersek wrote: > > On 02/16/17 07:18, b...@skyportsystems.com > wrote: >> From: Ben Warren >> >> This is similar to the existing 'add pointer' functionality, but instead >> of instructing the guest (BIOS or UEFI) to patch me

Re: [Qemu-devel] [PATCH v7 1/8] linker-loader: Add new 'write pointer' command

2017-02-16 Thread Michael S. Tsirkin
On Thu, Feb 16, 2017 at 10:43:10AM +0100, Igor Mammedov wrote: > On Wed, 15 Feb 2017 22:18:11 -0800 > b...@skyportsystems.com wrote: > > > From: Ben Warren > > > > This is similar to the existing 'add pointer' functionality, but instead > > of instructing the guest (BIOS or UEFI) to patch memory

Re: [Qemu-devel] [PATCH v7 1/8] linker-loader: Add new 'write pointer' command

2017-02-16 Thread Eric Blake
On 02/16/2017 03:43 AM, Igor Mammedov wrote: >> +++ b/hw/acpi/bios-linker-loader.c >> @@ -78,6 +78,21 @@ struct BiosLinkerLoaderEntry { >> uint32_t length; >> } cksum; >> >> +/* >> + * COMMAND_WRITE_POINTER - write the fw_cfg file (originating from >> +

Re: [Qemu-devel] [PATCH v7 1/8] linker-loader: Add new 'write pointer' command

2017-02-16 Thread Igor Mammedov
On Wed, 15 Feb 2017 22:18:11 -0800 b...@skyportsystems.com wrote: > From: Ben Warren > > This is similar to the existing 'add pointer' functionality, but instead > of instructing the guest (BIOS or UEFI) to patch memory, it instructs > the guest to write the pointer back to QEMU via a writeable

[Qemu-devel] [PATCH v7 1/8] linker-loader: Add new 'write pointer' command

2017-02-15 Thread ben
From: Ben Warren This is similar to the existing 'add pointer' functionality, but instead of instructing the guest (BIOS or UEFI) to patch memory, it instructs the guest to write the pointer back to QEMU via a writeable fw_cfg file. Signed-off-by: Ben Warren --- hw/acpi/bios-linker-loader.c