From: "罗勇刚(Yonggang Luo)" <luoyonggang@gmail.com>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: fam@euphon.net, berrange@redhat.com,
"Stefan Weil" <sw@weilnetz.de>,
"Richard Henderson" <richard.henderson@linaro.org>,
qemu-level <qemu-devel@nongnu.org>,
"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
cota@braap.org, "Aurelien Jarno" <aurelien@aurel32.net>
Subject: Re: [PATCH v2 05/12] util/oslib-win32: add qemu_get_host_physmem implementation
Date: Wed, 22 Jul 2020 18:32:59 +0800 [thread overview]
Message-ID: <CAE2XoE-OiXaZRBqW1PnWQO1QntGtckQXOYD1Nqycp7V73MJ3RA@mail.gmail.com> (raw)
In-Reply-To: <20200722062902.24509-6-alex.bennee@linaro.org>
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I would suggest use loadLibrary to retrieve the function, if not available,
then return 0 (For Win Xp and Vista);
On Wed, Jul 22, 2020 at 2:34 PM Alex Bennée <alex.bennee@linaro.org> wrote:
> It seems GetPhysicallyInstalledSystemMemory isn't available in the
> MinGW headers so we have to declare it ourselves. Compile tested only.
>
> Cc: Stefan Weil <sw@weilnetz.de>
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
> ---
> util/oslib-win32.c | 15 +++++++++++++--
> 1 file changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/util/oslib-win32.c b/util/oslib-win32.c
> index 31030463cc9..f0f94833197 100644
> --- a/util/oslib-win32.c
> +++ b/util/oslib-win32.c
> @@ -43,6 +43,8 @@
> /* this must come after including "trace.h" */
> #include <shlobj.h>
>
> +WINBASEAPI BOOL WINAPI GetPhysicallyInstalledSystemMemory (PULONGLONG);
> +
> void *qemu_oom_check(void *ptr)
> {
> if (ptr == NULL) {
> @@ -831,6 +833,15 @@ char *qemu_get_host_name(Error **errp)
>
> size_t qemu_get_host_physmem(void)
> {
> - /* currently unimplemented */
> - return 0;
> + ULONGLONG mem;
> +
> + if (GetPhysicallyInstalledSystemMemory(&mem)) {
> + if (mem > SIZE_MAX) {
> + return SIZE_MAX;
> + } else {
> + return mem;
> + }
> + } else {
> + return 0;
> + }
> }
> --
> 2.20.1
>
>
>
--
此致
礼
罗勇刚
Yours
sincerely,
Yonggang Luo
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next prev parent reply other threads:[~2020-07-22 10:34 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-22 6:28 [PATCH v2 00/12] candidate fixes for 5.1-rc1 (testing, semihosting, OOM tcg, x86 fpu) Alex Bennée
2020-07-22 6:28 ` [PATCH v2 01/12] shippable: add one more qemu to registry url Alex Bennée
2020-07-22 6:28 ` [PATCH v2 02/12] semihosting: defer connect_chardevs a little more to use serialx Alex Bennée
2020-07-22 6:28 ` [PATCH v2 03/12] semihosting: don't send the trailing '\0' Alex Bennée
2020-07-22 6:28 ` [PATCH v2 04/12] util: add qemu_get_host_physmem utility function Alex Bennée
2020-07-22 15:51 ` Richard Henderson
2020-07-22 6:28 ` [PATCH v2 05/12] util/oslib-win32: add qemu_get_host_physmem implementation Alex Bennée
2020-07-22 6:49 ` Philippe Mathieu-Daudé
2020-07-22 10:03 ` Stefan Weil
2020-07-22 10:13 ` Daniel P. Berrangé
2020-07-22 11:33 ` Alex Bennée
2020-07-22 11:38 ` Daniel P. Berrangé
2020-07-22 10:32 ` 罗勇刚(Yonggang Luo) [this message]
2020-07-22 10:50 ` Stefan Weil
2020-07-22 11:31 ` Alex Bennée
2020-07-22 11:41 ` Daniel P. Berrangé
2020-07-22 6:28 ` [PATCH v2 06/12] accel/tcg: better handle memory constrained systems Alex Bennée
2020-07-22 15:57 ` Richard Henderson
2020-07-22 16:29 ` Alex Bennée
2020-07-22 16:44 ` Daniel P. Berrangé
2020-07-22 19:02 ` Richard Henderson
2020-07-23 9:00 ` Daniel P. Berrangé
2020-07-23 9:22 ` Alex Bennée
2020-07-23 9:31 ` Daniel P. Berrangé
2020-07-23 10:06 ` Alex Bennée
2020-07-22 6:28 ` [PATCH v2 07/12] target/i386: floatx80: avoid compound literals in static initializers Alex Bennée
2020-07-22 6:45 ` Philippe Mathieu-Daudé
2020-07-22 6:28 ` [PATCH v2 08/12] linux-user: don't use MAP_FIXED in pgd_find_hole_fallback Alex Bennée
2020-07-22 16:00 ` Richard Henderson
2020-07-22 6:28 ` [PATCH v2 09/12] tests/docker: fix update command due to python3 str/bytes distinction Alex Bennée
2020-07-22 6:29 ` [PATCH v2 10/12] tests/docker: fix binfmt_misc image building Alex Bennée
2020-07-22 6:35 ` Philippe Mathieu-Daudé
2020-07-22 6:29 ` [PATCH v2 11/12] tests/docker: add support for DEB_KEYRING Alex Bennée
2020-07-22 14:27 ` Philippe Mathieu-Daudé
2020-07-22 16:03 ` Richard Henderson
2020-07-22 6:29 ` [PATCH v2 12/12] linux-user: fix clock_nanosleep() Alex Bennée
2020-07-22 6:49 ` Laurent Vivier
2020-07-22 8:33 ` Laurent Vivier
2020-07-22 8:55 ` Alex Bennée
2020-07-22 12:03 ` Laurent Vivier
2020-07-22 7:05 ` Philippe Mathieu-Daudé
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