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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Anthony PERARD <anthony.perard@citrix.com>
Cc: Keir Fraser <keir@xen.org>,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Ian Jackson <ian.jackson@eu.citrix.com>,
	xen-devel@lists.xen.org, Jan Beulich <jbeulich@suse.com>,
	Wei Liu <wei.liu2@citrix.com>
Subject: Re: [PATCH v4 07/14] hvmloader: Grab the hvm_start_info pointer
Date: Tue, 15 Mar 2016 21:07:15 -0400	[thread overview]
Message-ID: <20160316010715.GA29801@char.us.oracle.com> (raw)
In-Reply-To: <1457978150-27201-8-git-send-email-anthony.perard@citrix.com>

On Mon, Mar 14, 2016 at 05:55:42PM +0000, Anthony PERARD wrote:
> Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
> 

Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

> ---
> Change in V4:
> - remove struct hvm_info_start redefinition, as it's moved to
>   public/xen.h in a previous patch.
> 
> Change in V3:
> - remove cmdline parser
> - load hvm_start_info pointer earlier, before calling main().
> - Add struct hvm_start_info definition to hvmloader.
> ---
>  tools/firmware/hvmloader/hvmloader.c | 5 +++++
>  tools/firmware/hvmloader/util.h      | 3 +++
>  2 files changed, 8 insertions(+)
> 
> diff --git a/tools/firmware/hvmloader/hvmloader.c b/tools/firmware/hvmloader/hvmloader.c
> index 716d03c..c45f367 100644
> --- a/tools/firmware/hvmloader/hvmloader.c
> +++ b/tools/firmware/hvmloader/hvmloader.c
> @@ -29,6 +29,8 @@
>  #include <xen/version.h>
>  #include <xen/hvm/params.h>
>  
> +const struct hvm_start_info *hvm_start_info;
> +
>  asm (
>      "    .text                       \n"
>      "    .globl _start               \n"
> @@ -46,6 +48,8 @@ asm (
>      "    ljmp $"STR(SEL_CODE32)",$1f \n"
>      "1:  movl $stack_top,%esp        \n"
>      "    movl %esp,%ebp              \n"
> +    /* store HVM start info ptr */
> +    "    mov  %ebx, hvm_start_info   \n"
>      "    call main                   \n"
>      /* Relocate real-mode trampoline to 0x0. */
>      "    mov  $trampoline_start,%esi \n"
> @@ -258,6 +262,7 @@ int main(void)
>      memset((void *)HYPERCALL_PHYSICAL_ADDRESS, 0xc3 /* RET */, PAGE_SIZE);
>  
>      printf("HVM Loader\n");
> +    BUG_ON(hvm_start_info->magic != XEN_HVM_START_MAGIC_VALUE);
>  
>      init_hypercalls();
>  
> diff --git a/tools/firmware/hvmloader/util.h b/tools/firmware/hvmloader/util.h
> index 3126817..9808016 100644
> --- a/tools/firmware/hvmloader/util.h
> +++ b/tools/firmware/hvmloader/util.h
> @@ -158,6 +158,9 @@ static inline void cpu_relax(void)
>  struct hvm_info_table *get_hvm_info_table(void) __attribute__ ((const));
>  #define hvm_info (get_hvm_info_table())
>  
> +/* HVM start info */
> +extern const struct hvm_start_info *hvm_start_info;
> +
>  /* String and memory functions */
>  int strcmp(const char *cs, const char *ct);
>  int strncmp(const char *s1, const char *s2, uint32_t n);
> -- 
> Anthony PERARD
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel

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  reply	other threads:[~2016-03-16  1:07 UTC|newest]

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-14 17:55 [PATCH v4 00/14] Load BIOS via toolstack instead of been embedded in hvmloader Anthony PERARD
2016-03-14 17:55 ` [PATCH v4 01/14] libxc: Rework extra module initialisation Anthony PERARD
2016-03-16  0:06   ` Konrad Rzeszutek Wilk
2016-03-17 16:24     ` Anthony PERARD
2016-03-14 17:55 ` [PATCH v4 02/14] libxc: Prepare a start info structure for hvmloader Anthony PERARD
2016-03-16  0:18   ` Konrad Rzeszutek Wilk
2016-03-16 18:01     ` Boris Ostrovsky
2016-03-17 16:48       ` Anthony PERARD
2016-03-17 16:28     ` Anthony PERARD
2016-03-14 17:55 ` [PATCH v4 03/14] configure: #define SEABIOS_PATH and OVMF_PATH Anthony PERARD
2016-03-16  0:20   ` Konrad Rzeszutek Wilk
2016-04-08 13:38   ` Wei Liu
2016-03-14 17:55 ` [PATCH v4 04/14] firmware/makefile: install BIOS blob Anthony PERARD
2016-03-16  0:26   ` Konrad Rzeszutek Wilk
2016-03-16  8:54     ` Dario Faggioli
2016-03-16  8:56       ` Konrad Rzeszutek Wilk
2016-03-17 16:58     ` Anthony PERARD
2016-03-17 17:37   ` Doug Goldstein
2016-03-17 18:33     ` Anthony PERARD
2016-03-18 21:11       ` Jim Fehlig
2016-03-19  0:43       ` Doug Goldstein
2016-04-18 14:31   ` Doug Goldstein
2016-04-19 13:11     ` Stefano Stabellini
2016-03-14 17:55 ` [PATCH v4 05/14] libxl: Load guest BIOS from file Anthony PERARD
2016-03-16  0:53   ` Konrad Rzeszutek Wilk
2016-03-16  9:27     ` Dario Faggioli
2016-03-17 17:24       ` Anthony PERARD
2016-03-14 17:55 ` [PATCH v4 06/14] xen: Move the hvm_start_info C representation from libxc to public/xen.h Anthony PERARD
2016-03-15  8:09   ` Jan Beulich
2016-03-16  0:59     ` Konrad Rzeszutek Wilk
2016-03-16  1:00       ` Konrad Rzeszutek Wilk
2016-03-16  8:32       ` Jan Beulich
2016-03-21 17:04     ` Roger Pau Monné
2016-03-21 17:21       ` Jan Beulich
2016-03-14 17:55 ` [PATCH v4 07/14] hvmloader: Grab the hvm_start_info pointer Anthony PERARD
2016-03-16  1:07   ` Konrad Rzeszutek Wilk [this message]
2016-04-05 12:43   ` Jan Beulich
2016-03-14 17:55 ` [PATCH v4 08/14] hvmloader: Locate the BIOS blob Anthony PERARD
2016-03-16  1:14   ` Konrad Rzeszutek Wilk
2016-03-17 17:46     ` Anthony PERARD
2016-03-17 17:57       ` Konrad Rzeszutek Wilk
2016-03-18  7:34       ` Jan Beulich
2016-04-05 12:59   ` Jan Beulich
2016-04-05 14:05     ` Roger Pau Monné
2016-04-05 14:23       ` Jan Beulich
2016-04-07 15:10     ` Anthony PERARD
2016-04-07 15:30       ` Jan Beulich
2016-03-14 17:55 ` [PATCH v4 09/14] hvmloader: Check modules whereabouts in perform_tests Anthony PERARD
2016-03-16  1:23   ` Konrad Rzeszutek Wilk
2016-03-17 18:08     ` Anthony PERARD
2016-04-05 13:07   ` Jan Beulich
2016-03-14 17:55 ` [PATCH v4 10/14] hvmloader: Load SeaBIOS from hvm_start_info modules Anthony PERARD
2016-03-16  1:27   ` Konrad Rzeszutek Wilk
2016-03-16  1:27     ` Konrad Rzeszutek Wilk
2016-04-05 13:11   ` Jan Beulich
2016-03-14 17:55 ` [PATCH v4 11/14] hvmloader: Load OVMF from modules Anthony PERARD
2016-03-16  1:36   ` Konrad Rzeszutek Wilk
2016-04-05 13:16   ` Jan Beulich
2016-03-14 17:55 ` [PATCH v4 12/14] hvmloader: Specific bios_load function required Anthony PERARD
2016-03-16  1:38   ` Konrad Rzeszutek Wilk
2016-03-17 18:25     ` Anthony PERARD
2016-03-14 17:55 ` [PATCH v4 13/14] hvmloader: Always build-in SeaBIOS and OVMF loader Anthony PERARD
2016-03-14 17:55 ` [PATCH v4 14/14] configure: do not depend on SEABIOS_PATH or OVMF_PATH Anthony PERARD
2016-03-16  1:40   ` Konrad Rzeszutek Wilk
2016-04-08 13:38   ` Wei Liu
2016-03-24 17:55 ` [PATCH v4 00/14] Load BIOS via toolstack instead of been embedded in hvmloader Jim Fehlig
2016-03-30 17:22 ` Jim Fehlig
2016-03-31  7:20   ` Jan Beulich
     [not found]   ` <56FCEBCD02000078000E19BF@suse.com>
2016-03-31 14:36     ` Jim Fehlig
2016-03-31 16:49       ` George Dunlap
2016-04-01  9:12         ` George Dunlap
2016-04-01 14:24           ` Konrad Rzeszutek Wilk
2016-04-01 20:06           ` Jim Fehlig

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