Re: [U-Boot] [PATCH v3 07/10] x86: Support a chained-boot development flow

2016-03-19 Thread Bin Meng
On Thu, Mar 17, 2016 at 9:39 AM, Bin Meng wrote: > On Wed, Mar 16, 2016 at 9:44 PM, Simon Glass wrote: >> Sometimes it is useful to jump into U-Boot directly from coreboot or UEFI >> without any 16-bit init. This can help during development by allowing U-Boot >> to avoid doing all the init requir

[U-Boot] [PATCH v3 07/10] x86: Support a chained-boot development flow

2016-03-19 Thread Simon Glass
Sometimes it is useful to jump into U-Boot directly from coreboot or UEFI without any 16-bit init. This can help during development by allowing U-Boot to avoid doing all the init required by the platform. U-Boot expects its GDT to be set up correctly by its 16-bit code. If coreboot doesn't do this

Re: [U-Boot] [PATCH v3 07/10] x86: Support a chained-boot development flow

2016-03-18 Thread Bin Meng
On Wed, Mar 16, 2016 at 9:44 PM, Simon Glass wrote: > Sometimes it is useful to jump into U-Boot directly from coreboot or UEFI > without any 16-bit init. This can help during development by allowing U-Boot > to avoid doing all the init required by the platform. > > U-Boot expects its GDT to be se