| Message ID | 20240812101555.3558589-10-mark.rutland@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Cleanup initialization | expand |
On Mon, 12 Aug 2024 11:15:54 +0100 Mark Rutland <mark.rutland@arm.com> wrote: Hi, > In subsequent patches we'll want to log messages from specific CPUs. Add > helpers to make this simpler. > > Signed-off-by: Mark Rutland <mark.rutland@arm.com> > Acked-by: Marc Zyngier <maz@kernel.org> > Cc: Akos Denke <akos.denke@arm.com> > Cc: Andre Przywara <andre.przywara@arm.com> > Cc: Luca Fancellu <luca.fancellu@arm.com> Reviewed-by: Andre Przywara <andre.przywara@arm.com> Cheers, Andre > --- > common/platform.c | 35 +++++++++++++++++++++++++++++++++++ > include/platform.h | 4 ++++ > 2 files changed, 39 insertions(+) > > diff --git a/common/platform.c b/common/platform.c > index 1607ee6..4e390e1 100644 > --- a/common/platform.c > +++ b/common/platform.c > @@ -65,6 +65,41 @@ void print_ulong_hex(unsigned long val) > } > } > > +// 2^32 is 4,294,967,296 > +#define DEC_CHARS_PER_UINT 10 > + > +void print_uint_dec(unsigned int val) > +{ > + char digits[DEC_CHARS_PER_UINT]; > + int d = 0; > + > + do { > + digits[d] = val % 10; > + val /= 10; > + d++; > + } while (val); > + > + while (d--) { > + print_char('0' + digits[d]); > + } > +} > + > +void print_cpu_warn(unsigned int cpu, const char *str) > +{ > + print_string("CPU"); > + print_uint_dec(cpu); > + print_string(" WARNING: "); > + print_string(str); > +} > + > +void print_cpu_msg(unsigned int cpu, const char *str) > +{ > + print_string("CPU"); > + print_uint_dec(cpu); > + print_string(": "); > + print_string(str); > +} > + > void init_uart(void) > { > /* > diff --git a/include/platform.h b/include/platform.h > index c88e124..09712b1 100644 > --- a/include/platform.h > +++ b/include/platform.h > @@ -12,6 +12,10 @@ > void print_char(char c); > void print_string(const char *str); > void print_ulong_hex(unsigned long val); > +void print_uint_dec(unsigned int val); > + > +void print_cpu_warn(unsigned int cpu, const char *str); > +void print_cpu_msg(unsigned int cpu, const char *str); > > void init_uart(void); >
diff --git a/common/platform.c b/common/platform.c index 1607ee6..4e390e1 100644 --- a/common/platform.c +++ b/common/platform.c @@ -65,6 +65,41 @@ void print_ulong_hex(unsigned long val) } } +// 2^32 is 4,294,967,296 +#define DEC_CHARS_PER_UINT 10 + +void print_uint_dec(unsigned int val) +{ + char digits[DEC_CHARS_PER_UINT]; + int d = 0; + + do { + digits[d] = val % 10; + val /= 10; + d++; + } while (val); + + while (d--) { + print_char('0' + digits[d]); + } +} + +void print_cpu_warn(unsigned int cpu, const char *str) +{ + print_string("CPU"); + print_uint_dec(cpu); + print_string(" WARNING: "); + print_string(str); +} + +void print_cpu_msg(unsigned int cpu, const char *str) +{ + print_string("CPU"); + print_uint_dec(cpu); + print_string(": "); + print_string(str); +} + void init_uart(void) { /* diff --git a/include/platform.h b/include/platform.h index c88e124..09712b1 100644 --- a/include/platform.h +++ b/include/platform.h @@ -12,6 +12,10 @@ void print_char(char c); void print_string(const char *str); void print_ulong_hex(unsigned long val); +void print_uint_dec(unsigned int val); + +void print_cpu_warn(unsigned int cpu, const char *str); +void print_cpu_msg(unsigned int cpu, const char *str); void init_uart(void);