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From: "Cédric Le Goater" <clg@kaod.org>
To: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org, "Peter Maydell" <peter.maydell@linaro.org>,
	"Joel Stanley" <joel@jms.id.au>,
	"Andrew Jeffery" <andrew@aj.id.au>,
	"Alistair Francis" <alistair@alistair23.me>,
	"Peter Crosthwaite" <crosthwaite.peter@gmail.com>,
	"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
	"Cédric Le Goater" <clg@kaod.org>
Subject: [Qemu-devel] [PATCH 1/4] aspeed/smc: fix default read value
Date: Thu, 24 Jan 2019 15:05:16 +0100	[thread overview]
Message-ID: <20190124140519.13838-2-clg@kaod.org> (raw)
In-Reply-To: <20190124140519.13838-1-clg@kaod.org>

0xFFFFFFFF should be returned for non implemented registers.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 hw/ssi/aspeed_smc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c
index 1270842dcf0c..7af808c33c50 100644
--- a/hw/ssi/aspeed_smc.c
+++ b/hw/ssi/aspeed_smc.c
@@ -670,7 +670,7 @@ static uint64_t aspeed_smc_read(void *opaque, hwaddr addr, unsigned int size)
     } else {
         qemu_log_mask(LOG_UNIMP, "%s: not implemented: 0x%" HWADDR_PRIx "\n",
                       __func__, addr);
-        return 0;
+        return -1;
     }
 }
 
-- 
2.20.1

  reply	other threads:[~2019-01-24 14:06 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-24 14:05 [Qemu-devel] [PATCH 0/4] aspeed/smc: add fast read support under User command mode Cédric Le Goater
2019-01-24 14:05 ` Cédric Le Goater [this message]
2019-01-24 20:05   ` [Qemu-devel] [PATCH 1/4] aspeed/smc: fix default read value Joel Stanley
2019-01-24 14:05 ` [Qemu-devel] [PATCH 2/4] aspeed/smc: define registers for all possible CS Cédric Le Goater
2019-01-24 20:08   ` Joel Stanley
2019-01-24 14:05 ` [Qemu-devel] [PATCH 3/4] aspeed/smc: Add dummy data register Cédric Le Goater
2019-01-24 20:11   ` Joel Stanley
2019-01-24 21:29   ` Alistair Francis
2019-01-24 14:05 ` [Qemu-devel] [PATCH 4/4] aspeed/smc: snoop SPI transfers to fake dummy cycles Cédric Le Goater
2019-01-28 12:32 ` [Qemu-devel] [PATCH 0/4] aspeed/smc: add fast read support under User command mode Peter Maydell

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