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* hw/timer: Constify VMStateRichard Henderson2023-12-301-1/+1
| | | | | Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20231221031652.119827-57-richard.henderson@linaro.org>
* hw/other: spelling fixesMichael Tokarev2023-09-211-1/+1
| | | | | Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
* treewide: Remove the unnecessary space before semicolonBin Meng2022-10-241-4/+4
| | | | | | | | | | %s/return ;/return; Signed-off-by: Bin Meng <bmeng@tinylab.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com> Message-Id: <20221024072802.457832-1-bmeng@tinylab.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* hw/timer/renesas_tmr: Add default-case asserts in read_tcnt()Peter Maydell2021-03-301-0/+4
| | | | | | | | | | | | | | In commit 81b3ddaf8772ec we fixed a use of uninitialized data in read_tcnt(). However this change wasn't enough to placate Coverity, which is not smart enough to see that if we read a 2 bit field and then handle cases 0, 1, 2 and 3 then there cannot be a flow of execution through the switch default. Add explicit default cases which assert that they can't be reached, which should help silence Coverity. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20210319162458.13760-1-peter.maydell@linaro.org
* hw/timer/renesas_tmr: Fix use of uninitialized data in read_tcnt()Peter Maydell2021-03-101-4/+15
| | | | | | | | | | | | | | | | | | | | | The read_tcnt() function calculates the TCNT register values for the two channels of the timer module; it sets these up in the local tcnt[] array, and eventually returns either one or both of them, depending on whether the access is 8 or 16 bits. However, not all of the code paths through this function set both elements of this array: if the guest has programmed the TCCR.CSS register fields to values which are either documented as not to be used or which QEMU does not implement, then the function will return uninitialized data. (This was spotted by Coverity.) Add the missing CSS cases to this code, so that we return a consistent value instead of uninitialized data, and so the code structure indicates what's happening. Fixes: CID 1429976 Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20210219223241.16344-3-peter.maydell@linaro.org
* hw/timer/renesas_tmr: Prefix constants for CSS values with CSS_Peter Maydell2021-03-101-8/+8
| | | | | | | | | | | The #defines INTERNAL and CASCADING represent different possible values for the TCCR.CSS register field; prefix them with CSS_ to make this more obvious, before we add more defines to represent the other possible values of the field in the next commit. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20210219223241.16344-2-peter.maydell@linaro.org
* hw/timer/renesas_tmr: silence the compiler warningsChen Qun2020-12-181-0/+1
| | | | | | | | | | | | | | | | | | | When using -Wimplicit-fallthrough in our CFLAGS, the compiler showed warning: ../hw/timer/renesas_tmr.c: In function ‘tmr_read’: ../hw/timer/renesas_tmr.c:221:19: warning: this statement may fall through [-Wimplicit-fallthrough=] 221 | } else if (ch == 0) {i | ^ ../hw/timer/renesas_tmr.c:224:5: note: here 224 | case A_TCORB: | ^~~~ Add the corresponding "fall through" comment to fix it. Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com> Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <20201211152426.350966-5-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
* hw/timer: RX62N 8-Bit timer (TMR)Yoshinori Sato2020-06-221-0/+477
renesas_tmr: 8bit timer modules. This part use many renesas's CPU. Hardware manual. https://www.renesas.com/us/en/doc/products/mpumcu/doc/rx_family/r01uh0033ej0140_rx62n.pdf Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20200224141923.82118-16-ysato@users.sourceforge.jp> [PMD: Split from CMT, filled VMStateField for migration] Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>