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
_______________________________________________
Xen-devel mailing list
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next prev parent 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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