From 2f5af2dcf3cfd051e121fef2b861d46d113f1ac7 Mon Sep 17 00:00:00 2001 From: Thomas Huth <thuth@redhat.com> Date: Tue, 20 Oct 2020 17:39:33 +0200 Subject: hw/timer/sh_timer: Coding style clean-up MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Replace TAB characters with spaces, put code after case-statement on separate lines and add some curly braces in related lines to keep checkpatch.pl happy. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201020153935.54315-2-thuth@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- hw/timer/sh_timer.c | 89 ++++++++++++++++++++++++++++++++++------------------- 1 file changed, 57 insertions(+), 32 deletions(-) (limited to 'hw/timer/sh_timer.c') diff --git a/hw/timer/sh_timer.c b/hw/timer/sh_timer.c index bb0e1c8ee5..b09e30f938 100644 --- a/hw/timer/sh_timer.c +++ b/hw/timer/sh_timer.c @@ -117,35 +117,55 @@ static void sh_timer_write(void *opaque, hwaddr offset, case 2: freq >>= 6; break; case 3: freq >>= 8; break; case 4: freq >>= 10; break; - case 6: - case 7: if (s->feat & TIMER_FEAT_EXTCLK) break; - default: hw_error("sh_timer_write: Reserved TPSC value\n"); break; + case 6: + case 7: + if (s->feat & TIMER_FEAT_EXTCLK) { + break; + } + default: + hw_error("sh_timer_write: Reserved TPSC value\n"); + break; } switch ((value & TIMER_TCR_CKEG) >> 3) { - case 0: break; + case 0: + break; case 1: case 2: - case 3: if (s->feat & TIMER_FEAT_EXTCLK) break; - default: hw_error("sh_timer_write: Reserved CKEG value\n"); break; + case 3: + if (s->feat & TIMER_FEAT_EXTCLK) { + break; + } + default: + hw_error("sh_timer_write: Reserved CKEG value\n"); + break; } switch ((value & TIMER_TCR_ICPE) >> 6) { - case 0: break; + case 0: + break; case 2: - case 3: if (s->feat & TIMER_FEAT_CAPT) break; - default: hw_error("sh_timer_write: Reserved ICPE value\n"); break; + case 3: + if (s->feat & TIMER_FEAT_CAPT) { + break; + } + default: + hw_error("sh_timer_write: Reserved ICPE value\n"); + break; } - if ((value & TIMER_TCR_UNF) == 0) + if ((value & TIMER_TCR_UNF) == 0) { s->int_level = 0; + } - value &= ~TIMER_TCR_UNF; + value &= ~TIMER_TCR_UNF; - if ((value & TIMER_TCR_ICPF) && (!(s->feat & TIMER_FEAT_CAPT))) + if ((value & TIMER_TCR_ICPF) && (!(s->feat & TIMER_FEAT_CAPT))) { hw_error("sh_timer_write: Reserved ICPF value\n"); + } - value &= ~TIMER_TCR_ICPF; /* capture not supported */ + value &= ~TIMER_TCR_ICPF; /* capture not supported */ - if (value & TIMER_TCR_RESERVED) + if (value & TIMER_TCR_RESERVED) { hw_error("sh_timer_write: Reserved TCR bits set\n"); + } s->tcr = value; ptimer_set_limit(s->timer, s->tcor, 0); ptimer_set_freq(s->timer, freq); @@ -158,8 +178,8 @@ static void sh_timer_write(void *opaque, hwaddr offset, case OFFSET_TCPR: if (s->feat & TIMER_FEAT_CAPT) { s->tcpr = value; - break; - } + break; + } default: hw_error("sh_timer_write: Bad offset %x\n", (int)offset); } @@ -241,8 +261,9 @@ static uint64_t tmu012_read(void *opaque, hwaddr offset, #endif if (offset >= 0x20) { - if (!(s->feat & TMU012_FEAT_3CHAN)) - hw_error("tmu012_write: Bad channel offset %x\n", (int)offset); + if (!(s->feat & TMU012_FEAT_3CHAN)) { + hw_error("tmu012_write: Bad channel offset %x\n", (int)offset); + } return sh_timer_read(s->timer[2], offset - 0x20); } @@ -272,33 +293,36 @@ static void tmu012_write(void *opaque, hwaddr offset, #endif if (offset >= 0x20) { - if (!(s->feat & TMU012_FEAT_3CHAN)) - hw_error("tmu012_write: Bad channel offset %x\n", (int)offset); + if (!(s->feat & TMU012_FEAT_3CHAN)) { + hw_error("tmu012_write: Bad channel offset %x\n", (int)offset); + } sh_timer_write(s->timer[2], offset - 0x20, value); - return; + return; } if (offset >= 0x14) { sh_timer_write(s->timer[1], offset - 0x14, value); - return; + return; } if (offset >= 0x08) { sh_timer_write(s->timer[0], offset - 0x08, value); - return; + return; } if (offset == 4) { sh_timer_start_stop(s->timer[0], value & (1 << 0)); sh_timer_start_stop(s->timer[1], value & (1 << 1)); - if (s->feat & TMU012_FEAT_3CHAN) + if (s->feat & TMU012_FEAT_3CHAN) { sh_timer_start_stop(s->timer[2], value & (1 << 2)); - else - if (value & (1 << 2)) + } else { + if (value & (1 << 2)) { hw_error("tmu012_write: Bad channel\n"); + } + } - s->tstr = value; - return; + s->tstr = value; + return; } if ((s->feat & TMU012_FEAT_TOCR) && offset == 0) { @@ -314,8 +338,8 @@ static const MemoryRegionOps tmu012_ops = { void tmu012_init(MemoryRegion *sysmem, hwaddr base, int feat, uint32_t freq, - qemu_irq ch0_irq, qemu_irq ch1_irq, - qemu_irq ch2_irq0, qemu_irq ch2_irq1) + qemu_irq ch0_irq, qemu_irq ch1_irq, + qemu_irq ch2_irq0, qemu_irq ch2_irq1) { tmu012_state *s; int timer_feat = (feat & TMU012_FEAT_EXTCLK) ? TIMER_FEAT_EXTCLK : 0; @@ -324,9 +348,10 @@ void tmu012_init(MemoryRegion *sysmem, hwaddr base, s->feat = feat; s->timer[0] = sh_timer_init(freq, timer_feat, ch0_irq); s->timer[1] = sh_timer_init(freq, timer_feat, ch1_irq); - if (feat & TMU012_FEAT_3CHAN) + if (feat & TMU012_FEAT_3CHAN) { s->timer[2] = sh_timer_init(freq, timer_feat | TIMER_FEAT_CAPT, - ch2_irq0); /* ch2_irq1 not supported */ + ch2_irq0); /* ch2_irq1 not supported */ + } memory_region_init_io(&s->iomem, NULL, &tmu012_ops, s, "timer", 0x100000000ULL); -- cgit v1.2.3 From 97edd8ba4b167b6adfbda9598280e5b31270fd40 Mon Sep 17 00:00:00 2001 From: Thomas Huth <thuth@redhat.com> Date: Tue, 20 Oct 2020 17:39:34 +0200 Subject: hw/timer/sh_timer: Silence warnings about missing fallthrough statements MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When compiling with -Werror=implicit-fallthrough, gcc complains about missing fallthrough annotations in this file. Looking at the code, the fallthrough is very likely intended here, so add some comments to silence the compiler warnings. Fixes: cd1a3f6840e ("Stand-alone TMU emulation code") Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201020153935.54315-3-thuth@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- hw/timer/sh_timer.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'hw/timer/sh_timer.c') diff --git a/hw/timer/sh_timer.c b/hw/timer/sh_timer.c index b09e30f938..934daaa7dc 100644 --- a/hw/timer/sh_timer.c +++ b/hw/timer/sh_timer.c @@ -122,6 +122,7 @@ static void sh_timer_write(void *opaque, hwaddr offset, if (s->feat & TIMER_FEAT_EXTCLK) { break; } + /* fallthrough */ default: hw_error("sh_timer_write: Reserved TPSC value\n"); break; @@ -135,6 +136,7 @@ static void sh_timer_write(void *opaque, hwaddr offset, if (s->feat & TIMER_FEAT_EXTCLK) { break; } + /* fallthrough */ default: hw_error("sh_timer_write: Reserved CKEG value\n"); break; @@ -147,6 +149,7 @@ static void sh_timer_write(void *opaque, hwaddr offset, if (s->feat & TIMER_FEAT_CAPT) { break; } + /* fallthrough */ default: hw_error("sh_timer_write: Reserved ICPE value\n"); break; @@ -180,6 +183,7 @@ static void sh_timer_write(void *opaque, hwaddr offset, s->tcpr = value; break; } + /* fallthrough */ default: hw_error("sh_timer_write: Bad offset %x\n", (int)offset); } -- cgit v1.2.3 From 45514b48df9d46478b10929cdfe1b74f01dceb99 Mon Sep 17 00:00:00 2001 From: Thomas Huth <thuth@redhat.com> Date: Tue, 20 Oct 2020 17:39:35 +0200 Subject: hw/timer/sh_timer: Remove superfluous "break" statements MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit hw_error() is marked as QEMU_NORETURN, so the "break" statements after this function are just dead code. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201020153935.54315-4-thuth@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- hw/timer/sh_timer.c | 3 --- 1 file changed, 3 deletions(-) (limited to 'hw/timer/sh_timer.c') diff --git a/hw/timer/sh_timer.c b/hw/timer/sh_timer.c index 934daaa7dc..58af1a1edb 100644 --- a/hw/timer/sh_timer.c +++ b/hw/timer/sh_timer.c @@ -125,7 +125,6 @@ static void sh_timer_write(void *opaque, hwaddr offset, /* fallthrough */ default: hw_error("sh_timer_write: Reserved TPSC value\n"); - break; } switch ((value & TIMER_TCR_CKEG) >> 3) { case 0: @@ -139,7 +138,6 @@ static void sh_timer_write(void *opaque, hwaddr offset, /* fallthrough */ default: hw_error("sh_timer_write: Reserved CKEG value\n"); - break; } switch ((value & TIMER_TCR_ICPE) >> 6) { case 0: @@ -152,7 +150,6 @@ static void sh_timer_write(void *opaque, hwaddr offset, /* fallthrough */ default: hw_error("sh_timer_write: Reserved ICPE value\n"); - break; } if ((value & TIMER_TCR_UNF) == 0) { s->int_level = 0; -- cgit v1.2.3