diff options
author | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2018-10-25 16:52:26 +0100 |
---|---|---|
committer | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2018-10-29 14:41:48 +0000 |
commit | 40daecc1be51383c806c0ac953303e47026abcac (patch) | |
tree | 62f705b7a8c4e21c3d6cafeead88165f364ce34b /lib/extensions | |
parent | 4012531547f63595f33e493dcd7ebd1730dfcedc (diff) |
Fix MISRA defects in extension libs
No functional changes.
Change-Id: I2f28f20944f552447ac4e9e755493cd7c0ea1192
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Diffstat (limited to 'lib/extensions')
-rw-r--r-- | lib/extensions/amu/aarch32/amu.c | 39 | ||||
-rw-r--r-- | lib/extensions/amu/aarch64/amu.c | 51 | ||||
-rw-r--r-- | lib/extensions/mpam/mpam.c | 4 | ||||
-rw-r--r-- | lib/extensions/spe/spe.c | 29 | ||||
-rw-r--r-- | lib/extensions/sve/sve.c | 17 |
5 files changed, 74 insertions, 66 deletions
diff --git a/lib/extensions/amu/aarch32/amu.c b/lib/extensions/amu/aarch32/amu.c index 05c98f1c..585d908f 100644 --- a/lib/extensions/amu/aarch32/amu.c +++ b/lib/extensions/amu/aarch32/amu.c @@ -10,6 +10,7 @@ #include <arch_helpers.h> #include <platform.h> #include <pubsub_events.h> +#include <stdbool.h> #define AMU_GROUP0_NR_COUNTERS 4 @@ -20,17 +21,17 @@ struct amu_ctx { static struct amu_ctx amu_ctxs[PLATFORM_CORE_COUNT]; -int amu_supported(void) +bool amu_supported(void) { uint64_t features; features = read_id_pfr0() >> ID_PFR0_AMU_SHIFT; - return (features & ID_PFR0_AMU_MASK) == 1; + return (features & ID_PFR0_AMU_MASK) == 1U; } -void amu_enable(int el2_unused) +void amu_enable(bool el2_unused) { - if (amu_supported() == 0) + if (!amu_supported()) return; if (el2_unused) { @@ -54,8 +55,8 @@ void amu_enable(int el2_unused) /* Read the group 0 counter identified by the given `idx`. */ uint64_t amu_group0_cnt_read(int idx) { - assert(amu_supported() != 0); - assert(idx >= 0 && idx < AMU_GROUP0_NR_COUNTERS); + assert(amu_supported()); + assert((idx >= 0) && (idx < AMU_GROUP0_NR_COUNTERS)); return amu_group0_cnt_read_internal(idx); } @@ -63,8 +64,8 @@ uint64_t amu_group0_cnt_read(int idx) /* Write the group 0 counter identified by the given `idx` with `val`. */ void amu_group0_cnt_write(int idx, uint64_t val) { - assert(amu_supported() != 0); - assert(idx >= 0 && idx < AMU_GROUP0_NR_COUNTERS); + assert(amu_supported()); + assert((idx >= 0) && (idx < AMU_GROUP0_NR_COUNTERS)); amu_group0_cnt_write_internal(idx, val); isb(); @@ -73,8 +74,8 @@ void amu_group0_cnt_write(int idx, uint64_t val) /* Read the group 1 counter identified by the given `idx`. */ uint64_t amu_group1_cnt_read(int idx) { - assert(amu_supported() != 0); - assert(idx >= 0 && idx < AMU_GROUP1_NR_COUNTERS); + assert(amu_supported()); + assert((idx >= 0) && (idx < AMU_GROUP1_NR_COUNTERS)); return amu_group1_cnt_read_internal(idx); } @@ -82,8 +83,8 @@ uint64_t amu_group1_cnt_read(int idx) /* Write the group 1 counter identified by the given `idx` with `val`. */ void amu_group1_cnt_write(int idx, uint64_t val) { - assert(amu_supported() != 0); - assert(idx >= 0 && idx < AMU_GROUP1_NR_COUNTERS); + assert(amu_supported()); + assert((idx >= 0) && (idx < AMU_GROUP1_NR_COUNTERS)); amu_group1_cnt_write_internal(idx, val); isb(); @@ -91,8 +92,8 @@ void amu_group1_cnt_write(int idx, uint64_t val) void amu_group1_set_evtype(int idx, unsigned int val) { - assert(amu_supported() != 0); - assert(idx >= 0 && idx < AMU_GROUP1_NR_COUNTERS); + assert(amu_supported()); + assert((idx >= 0) && (idx < AMU_GROUP1_NR_COUNTERS)); amu_group1_set_evtype_internal(idx, val); isb(); @@ -103,7 +104,7 @@ static void *amu_context_save(const void *arg) struct amu_ctx *ctx; int i; - if (amu_supported() == 0) + if (!amu_supported()) return (void *)-1; ctx = &amu_ctxs[plat_my_core_pos()]; @@ -126,7 +127,7 @@ static void *amu_context_save(const void *arg) for (i = 0; i < AMU_GROUP1_NR_COUNTERS; i++) ctx->group1_cnts[i] = amu_group1_cnt_read(i); - return 0; + return (void *)0; } static void *amu_context_restore(const void *arg) @@ -134,13 +135,13 @@ static void *amu_context_restore(const void *arg) struct amu_ctx *ctx; int i; - if (amu_supported() == 0) + if (!amu_supported()) return (void *)-1; ctx = &amu_ctxs[plat_my_core_pos()]; /* Counters were disabled in `amu_context_save()` */ - assert(read_amcntenset0() == 0 && read_amcntenset1() == 0); + assert((read_amcntenset0() == 0U) && (read_amcntenset1() == 0U)); /* Restore group 0 counters */ for (i = 0; i < AMU_GROUP0_NR_COUNTERS; i++) @@ -153,7 +154,7 @@ static void *amu_context_restore(const void *arg) /* Enable group 1 counters */ write_amcntenset1(AMU_GROUP1_COUNTERS_MASK); - return 0; + return (void *)0; } SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_start, amu_context_save); diff --git a/lib/extensions/amu/aarch64/amu.c b/lib/extensions/amu/aarch64/amu.c index 5d556e5d..1564e840 100644 --- a/lib/extensions/amu/aarch64/amu.c +++ b/lib/extensions/amu/aarch64/amu.c @@ -11,6 +11,7 @@ #include <assert.h> #include <platform.h> #include <pubsub_events.h> +#include <stdbool.h> #define AMU_GROUP0_NR_COUNTERS 4 @@ -21,23 +22,23 @@ struct amu_ctx { static struct amu_ctx amu_ctxs[PLATFORM_CORE_COUNT]; -int amu_supported(void) +bool amu_supported(void) { uint64_t features; features = read_id_aa64pfr0_el1() >> ID_AA64PFR0_AMU_SHIFT; - return (features & ID_AA64PFR0_AMU_MASK) == 1; + return (features & ID_AA64PFR0_AMU_MASK) == 1U; } /* * Enable counters. This function is meant to be invoked * by the context management library before exiting from EL3. */ -void amu_enable(int el2_unused) +void amu_enable(bool el2_unused) { uint64_t v; - if (amu_supported() == 0) + if (!amu_supported()) return; if (el2_unused) { @@ -67,8 +68,8 @@ void amu_enable(int el2_unused) /* Read the group 0 counter identified by the given `idx`. */ uint64_t amu_group0_cnt_read(int idx) { - assert(amu_supported() != 0); - assert(idx >= 0 && idx < AMU_GROUP0_NR_COUNTERS); + assert(amu_supported()); + assert((idx >= 0) && (idx < AMU_GROUP0_NR_COUNTERS)); return amu_group0_cnt_read_internal(idx); } @@ -76,8 +77,8 @@ uint64_t amu_group0_cnt_read(int idx) /* Write the group 0 counter identified by the given `idx` with `val`. */ void amu_group0_cnt_write(int idx, uint64_t val) { - assert(amu_supported() != 0); - assert(idx >= 0 && idx < AMU_GROUP0_NR_COUNTERS); + assert(amu_supported()); + assert((idx >= 0) && (idx < AMU_GROUP0_NR_COUNTERS)); amu_group0_cnt_write_internal(idx, val); isb(); @@ -86,8 +87,8 @@ void amu_group0_cnt_write(int idx, uint64_t val) /* Read the group 1 counter identified by the given `idx`. */ uint64_t amu_group1_cnt_read(int idx) { - assert(amu_supported() != 0); - assert(idx >= 0 && idx < AMU_GROUP1_NR_COUNTERS); + assert(amu_supported()); + assert((idx >= 0) && (idx < AMU_GROUP1_NR_COUNTERS)); return amu_group1_cnt_read_internal(idx); } @@ -95,8 +96,8 @@ uint64_t amu_group1_cnt_read(int idx) /* Write the group 1 counter identified by the given `idx` with `val`. */ void amu_group1_cnt_write(int idx, uint64_t val) { - assert(amu_supported() != 0); - assert(idx >= 0 && idx < AMU_GROUP1_NR_COUNTERS); + assert(amu_supported()); + assert((idx >= 0) && (idx < AMU_GROUP1_NR_COUNTERS)); amu_group1_cnt_write_internal(idx, val); isb(); @@ -108,8 +109,8 @@ void amu_group1_cnt_write(int idx, uint64_t val) */ void amu_group1_set_evtype(int idx, unsigned int val) { - assert(amu_supported() != 0); - assert (idx >= 0 && idx < AMU_GROUP1_NR_COUNTERS); + assert(amu_supported()); + assert((idx >= 0) && (idx < AMU_GROUP1_NR_COUNTERS)); amu_group1_set_evtype_internal(idx, val); isb(); @@ -120,14 +121,14 @@ static void *amu_context_save(const void *arg) struct amu_ctx *ctx = &amu_ctxs[plat_my_core_pos()]; int i; - if (amu_supported() == 0) + if (!amu_supported()) return (void *)-1; /* Assert that group 0/1 counter configuration is what we expect */ - assert(read_amcntenset0_el0() == AMU_GROUP0_COUNTERS_MASK && - read_amcntenset1_el0() == AMU_GROUP1_COUNTERS_MASK); + assert((read_amcntenset0_el0() == AMU_GROUP0_COUNTERS_MASK) && + (read_amcntenset1_el0() == AMU_GROUP1_COUNTERS_MASK)); - assert((sizeof(int) * 8) - __builtin_clz(AMU_GROUP1_COUNTERS_MASK) + assert(((sizeof(int) * 8) - __builtin_clz(AMU_GROUP1_COUNTERS_MASK)) <= AMU_GROUP1_NR_COUNTERS); /* @@ -146,7 +147,7 @@ static void *amu_context_save(const void *arg) for (i = 0; i < AMU_GROUP1_NR_COUNTERS; i++) ctx->group1_cnts[i] = amu_group1_cnt_read(i); - return 0; + return (void *)0; } static void *amu_context_restore(const void *arg) @@ -154,30 +155,30 @@ static void *amu_context_restore(const void *arg) struct amu_ctx *ctx = &amu_ctxs[plat_my_core_pos()]; int i; - if (amu_supported() == 0) + if (!amu_supported()) return (void *)-1; /* Counters were disabled in `amu_context_save()` */ - assert(read_amcntenset0_el0() == 0 && read_amcntenset1_el0() == 0); + assert((read_amcntenset0_el0() == 0U) && (read_amcntenset1_el0() == 0U)); - assert((sizeof(int) * 8) - __builtin_clz(AMU_GROUP1_COUNTERS_MASK) + assert(((sizeof(int) * 8U) - __builtin_clz(AMU_GROUP1_COUNTERS_MASK)) <= AMU_GROUP1_NR_COUNTERS); /* Restore group 0 counters */ for (i = 0; i < AMU_GROUP0_NR_COUNTERS; i++) - if (AMU_GROUP0_COUNTERS_MASK & (1U << i)) + if ((AMU_GROUP0_COUNTERS_MASK & (1U << i)) != 0U) amu_group0_cnt_write(i, ctx->group0_cnts[i]); /* Restore group 1 counters */ for (i = 0; i < AMU_GROUP1_NR_COUNTERS; i++) - if (AMU_GROUP1_COUNTERS_MASK & (1U << i)) + if ((AMU_GROUP1_COUNTERS_MASK & (1U << i)) != 0U) amu_group1_cnt_write(i, ctx->group1_cnts[i]); /* Restore group 0/1 counter configuration */ write_amcntenset0_el0(AMU_GROUP0_COUNTERS_MASK); write_amcntenset1_el0(AMU_GROUP1_COUNTERS_MASK); - return 0; + return (void *)0; } SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_start, amu_context_save); diff --git a/lib/extensions/mpam/mpam.c b/lib/extensions/mpam/mpam.c index e628827b..d57bb470 100644 --- a/lib/extensions/mpam/mpam.c +++ b/lib/extensions/mpam/mpam.c @@ -16,7 +16,7 @@ bool mpam_supported(void) return ((features & ID_AA64PFR0_MPAM_MASK) != 0U); } -void mpam_enable(int el2_unused) +void mpam_enable(bool el2_unused) { if (!mpam_supported()) return; @@ -31,7 +31,7 @@ void mpam_enable(int el2_unused) * If EL2 is implemented but unused, disable trapping to EL2 when lower * ELs access their own MPAM registers. */ - if (el2_unused != 0) { + if (el2_unused) { write_mpam2_el2(0); if ((read_mpamidr_el1() & MPAMIDR_HAS_HCR_BIT) != 0U) diff --git a/lib/extensions/spe/spe.c b/lib/extensions/spe/spe.c index dc358403..e5df015b 100644 --- a/lib/extensions/spe/spe.c +++ b/lib/extensions/spe/spe.c @@ -8,26 +8,30 @@ #include <arch_helpers.h> #include <pubsub.h> #include <spe.h> +#include <stdbool.h> -/* - * The assembler does not yet understand the psb csync mnemonic - * so use the equivalent hint instruction. - */ -#define psb_csync() asm volatile("hint #17") +static inline void psb_csync(void) +{ + /* + * The assembler does not yet understand the psb csync mnemonic + * so use the equivalent hint instruction. + */ + __asm__ volatile("hint #17"); +} -int spe_supported(void) +bool spe_supported(void) { uint64_t features; features = read_id_aa64dfr0_el1() >> ID_AA64DFR0_PMS_SHIFT; - return (features & ID_AA64DFR0_PMS_MASK) == 1; + return (features & ID_AA64DFR0_PMS_MASK) == 1U; } -void spe_enable(int el2_unused) +void spe_enable(bool el2_unused) { uint64_t v; - if (spe_supported() == 0) + if (!spe_supported()) return; if (el2_unused) { @@ -59,7 +63,7 @@ void spe_disable(void) { uint64_t v; - if (spe_supported() == 0) + if (!spe_supported()) return; /* Drain buffered data */ @@ -75,13 +79,14 @@ void spe_disable(void) static void *spe_drain_buffers_hook(const void *arg) { - if (spe_supported() == 0) + if (!spe_supported()) return (void *)-1; /* Drain buffered data */ psb_csync(); dsbnsh(); - return 0; + + return (void *)0; } SUBSCRIBE_TO_EVENT(cm_entering_secure_world, spe_drain_buffers_hook); diff --git a/lib/extensions/sve/sve.c b/lib/extensions/sve/sve.c index 64424878..e031bf61 100644 --- a/lib/extensions/sve/sve.c +++ b/lib/extensions/sve/sve.c @@ -7,21 +7,22 @@ #include <arch.h> #include <arch_helpers.h> #include <pubsub.h> +#include <stdbool.h> #include <sve.h> -int sve_supported(void) +bool sve_supported(void) { uint64_t features; features = read_id_aa64pfr0_el1() >> ID_AA64PFR0_SVE_SHIFT; - return (features & ID_AA64PFR0_SVE_MASK) == 1; + return (features & ID_AA64PFR0_SVE_MASK) == 1U; } static void *disable_sve_hook(const void *arg) { uint64_t cptr; - if (sve_supported() == 0) + if (!sve_supported()) return (void *)-1; /* @@ -39,14 +40,14 @@ static void *disable_sve_hook(const void *arg) * No explicit ISB required here as ERET to switch to Secure * world covers it */ - return 0; + return (void *)0; } static void *enable_sve_hook(const void *arg) { uint64_t cptr; - if (sve_supported() == 0) + if (!sve_supported()) return (void *)-1; /* @@ -60,14 +61,14 @@ static void *enable_sve_hook(const void *arg) * No explicit ISB required here as ERET to switch to Non-secure * world covers it */ - return 0; + return (void *)0; } -void sve_enable(int el2_unused) +void sve_enable(bool el2_unused) { uint64_t cptr; - if (sve_supported() == 0) + if (!sve_supported()) return; #if CTX_INCLUDE_FPREGS |