On Sat, 30 Mar 2019 23:22:27 +0100 Thomas Monjalon <tho...@monjalon.net> wrote:
> 13/03/2019 18:06, Natanael Copa: > > Add a fallback for non-GNU libc systems like musl libc for the > > non-standard functions outl_p, outw_p and outb_p. > > > > This ifixes the following buildtime errors when building with musl libc: > > pci_uio.c:(.text+0xaa1): undefined reference to `outw_p' > > pci_uio.c:(.text+0xac5): undefined reference to `outl_p' > > pci_uio.c:(.text+0xadf): undefined reference to `outb_p' > > > > fixes https://bugs.dpdk.org/show_bug.cgi?id=35 > > Please use this syntax: > Bugzilla ID: 35 Ok. > > [...] > > #if defined(RTE_ARCH_X86) > > #include <sys/io.h> > > +#if defined(__GLIBC__) > > +#define pci_uio_outl_p outl_p > > +#define pci_uio_outw_p outw_p > > +#define pci_uio_outb_p outb_p > > +#else > > +static inline void > > +pci_uio_outl_p(unsigned int value, unsigned short int port) > > +{ > > + __asm__ __volatile__ ("outl %0,%w1\noutb %%al,$0x80" : : "a" (value), > > + "Nd" (port)); > > +} > > + > > +static inline void > > +pci_uio_outw_p(unsigned short int value, unsigned short int port) > > +{ > > + __asm__ __volatile__ ("outw %w0,%w1\noutb %%al,$0x80" : : "a" (value), > > + "Nd" (port)); > > +} > > + > > +static inline void > > +pci_uio_outb_p(unsigned char value, unsigned short int port) > > +{ > > + __asm__ __volatile__ ("outb %b0,%w1\noutb %%al,$0x80" : : "a" (value), > > + "Nd" (port)); > > +} > > +#endif > > #endif > [...] > > #if defined(RTE_ARCH_X86) > > - outl_p(*(const uint32_t *)s, reg); > > + pci_uio_outl_p(*(const uint32_t *)s, reg); > > #else > > *(volatile uint32_t *)reg = *(const uint32_t *)s; > > #endif > > Could we manage non-x86 case in the macros pci_uio_out? I did that in separate commit. Do you want do both in same commit? > > Thanks > >
