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[88.21.205.47]) by smtp.gmail.com with ESMTPSA id p17sm39232183wre.89.2020.03.04.17.04.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Mar 2020 17:04:59 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH 2/3] hw/net/e1000: Move macreg[] arrays to .rodata to save 1MiB of .data Date: Thu, 5 Mar 2020 02:04:45 +0100 Message-Id: <20200305010446.17029-3-philmd@redhat.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200305010446.17029-1-philmd@redhat.com> References: <20200305010446.17029-1-philmd@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8; text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.61 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dmitry Fleytman , qemu-trivial@nongnu.org, Jason Wang , Christian Schoenebeck , Greg Kurz , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Each array consumes 256KiB of .data. As we do not reassign entries, we can move it to the .rodata section, and save a total of 1MiB of .data (size reported on x86_64 host). Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/net/e1000.c | 4 ++-- hw/net/e1000e_core.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/net/e1000.c b/hw/net/e1000.c index 972d9b5083..9233248c9a 100644 --- a/hw/net/e1000.c +++ b/hw/net/e1000.c @@ -1151,7 +1151,7 @@ set_ims(E1000State *s, int index, uint32_t val) =20 #define getreg(x) [x] =3D mac_readreg typedef uint32_t (*readops)(E1000State *, int); -static readops macreg_readops[] =3D { +static const readops macreg_readops[] =3D { getreg(PBA), getreg(RCTL), getreg(TDH), getreg(TXDCTL), getreg(WUFC), getreg(TDT), getreg(CTRL), getreg(LEDCTL), getreg(MANC), getreg(MDIC), getreg(SWSM), getreg(STATUS), @@ -1207,7 +1207,7 @@ enum { NREADOPS =3D ARRAY_SIZE(macreg_readops) }; =20 #define putreg(x) [x] =3D mac_writereg typedef void (*writeops)(E1000State *, int, uint32_t); -static writeops macreg_writeops[] =3D { +static const writeops macreg_writeops[] =3D { putreg(PBA), putreg(EERD), putreg(SWSM), putreg(WUFC), putreg(TDBAL), putreg(TDBAH), putreg(TXDCTL), putreg(RDBAH), putreg(RDBAL), putreg(LEDCTL), putreg(VET), putreg(FCRUC), diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c index 38bdb90114..df957e0c1a 100644 --- a/hw/net/e1000e_core.c +++ b/hw/net/e1000e_core.c @@ -2856,7 +2856,7 @@ e1000e_set_gcr(E1000ECore *core, int index, uint32_t = val) =20 #define e1000e_getreg(x) [x] =3D e1000e_mac_readreg typedef uint32_t (*readops)(E1000ECore *, int); -static readops e1000e_macreg_readops[] =3D { +static const readops e1000e_macreg_readops[] =3D { e1000e_getreg(PBA), e1000e_getreg(WUFC), e1000e_getreg(MANC), @@ -3063,7 +3063,7 @@ enum { E1000E_NREADOPS =3D ARRAY_SIZE(e1000e_macreg_r= eadops) }; =20 #define e1000e_putreg(x) [x] =3D e1000e_mac_writereg typedef void (*writeops)(E1000ECore *, int, uint32_t); -static writeops e1000e_macreg_writeops[] =3D { +static const writeops e1000e_macreg_writeops[] =3D { e1000e_putreg(PBA), e1000e_putreg(SWSM), e1000e_putreg(WUFC), --=20 2.21.1