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Differential D14633 Diff 41168 sys/dev/dcons/dcons_os.c

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sys/dev/dcons/dcons_os.c

Show First 20 Lines • Show All 303 Lines • ▼ Show 20 Lines#if defined(__i386__) || defined(__amd64__)
if (getenv_quad("dcons.addr", &addr) > 0 && if (getenv_quad("dcons.addr", &addr) > 0 &&
getenv_quad("dcons.size", &size) > 0) { getenv_quad("dcons.size", &size) > 0) {
#ifdef __i386__ #ifdef __i386__
vm_paddr_t pa; vm_paddr_t pa;
/* /*
* Allow read/write access to dcons buffer. * Allow read/write access to dcons buffer.
*/ */
for (pa = trunc_page(addr); pa < addr + size; pa += PAGE_SIZE) for (pa = trunc_page(addr); pa < addr + size; pa += PAGE_SIZE)
*vtopte(KERNBASE + pa) |= PG_RW; *vtopte(PMAP_MAP_LOW + pa) |= PG_RW;
invltlb(); invltlb();
#endif #endif
/* XXX P to V */ /* XXX P to V */
#ifdef __amd64__
emasteUnsubmitted
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not a big deal but prefer consistency - #if __amd64__ ... #else __i386__ to match above?

emaste: not a big deal but prefer consistency - `#if __amd64__ ... #else __i386__` to match above?
kibAuthorUnsubmitted
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I do not understand what do you propose there.

kib: I do not understand what do you propose there.
emasteUnsubmitted
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dcons_crom.c has

#ifdef __amd64__
        ...
#else /* __i386__ */
        ...
#endif

vs here

#ifdef __i386__
        ...
#else /* __amd64__ */
        ...
#endif

Absent a reason where in context one or the other is preferable, it seems we should be consistent and always have one of the two first.

emaste: dcons_crom.c has ``` #ifdef __amd64__ ... #else /* __i386__ */ ... #endif ```…
dg.buf = (struct dcons_buf *)(vm_offset_t)(KERNBASE + addr); dg.buf = (struct dcons_buf *)(vm_offset_t)(KERNBASE + addr);
#else /* __i386__ */
dg.buf = (struct dcons_buf *)((vm_offset_t)PMAP_MAP_LOW +
addr);
#endif
dg.size = size; dg.size = size;
if (dcons_load_buffer(dg.buf, dg.size, sc) < 0) if (dcons_load_buffer(dg.buf, dg.size, sc) < 0)
dg.buf = NULL; dg.buf = NULL;
} }
#endif #endif
if (dg.buf != NULL) if (dg.buf != NULL)
goto ok; goto ok;
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