diff options
author | Nathan Binkert <binkertn@umich.edu> | 2004-07-01 18:00:18 -0400 |
---|---|---|
committer | Nathan Binkert <binkertn@umich.edu> | 2004-07-01 18:00:18 -0400 |
commit | 671cff59372695309b62f2a4f6aa68269f56584a (patch) | |
tree | 57aeec43624eff8fa284d292877506c4ab9533e2 /arch/alpha | |
parent | 12e8ab2b64e12307c6550e20274e49f6092bf4f7 (diff) | |
download | gem5-671cff59372695309b62f2a4f6aa68269f56584a.tar.xz |
rename CopyData to CopyOut and implement CopyIn to copy data
from the simulator into the simulatee
kern/tru64/dump_mbuf.cc:
rename CopyData -> CopyOut
--HG--
extra : convert_revision : e3ef27a5762dfc495dcb84a372470464c27557d2
Diffstat (limited to 'arch/alpha')
-rw-r--r-- | arch/alpha/vtophys.cc | 53 | ||||
-rw-r--r-- | arch/alpha/vtophys.hh | 3 |
2 files changed, 49 insertions, 7 deletions
diff --git a/arch/alpha/vtophys.cc b/arch/alpha/vtophys.cc index 7a38b296b..f4b2c7ed3 100644 --- a/arch/alpha/vtophys.cc +++ b/arch/alpha/vtophys.cc @@ -133,14 +133,14 @@ vtomem(ExecContext *xc, Addr vaddr, size_t len) } void -CopyData(ExecContext *xc, void *dest, Addr vaddr, size_t cplen) +CopyOut(ExecContext *xc, void *dest, Addr src, size_t cplen) { Addr paddr; char *dmaaddr; char *dst = (char *)dest; int len; - paddr = vtophys(xc, vaddr); + paddr = vtophys(xc, src); len = min((int)(ALPHA_PGBYTES - (paddr & PGOFSET)), (int)cplen); dmaaddr = (char *)xc->physmem->dma_addr(paddr, len); assert(dmaaddr); @@ -151,21 +151,21 @@ CopyData(ExecContext *xc, void *dest, Addr vaddr, size_t cplen) cplen -= len; dst += len; - vaddr += len; + src += len; while (cplen > ALPHA_PGBYTES) { - paddr = vtophys(xc, vaddr); + paddr = vtophys(xc, src); dmaaddr = (char *)xc->physmem->dma_addr(paddr, ALPHA_PGBYTES); assert(dmaaddr); memcpy(dst, dmaaddr, ALPHA_PGBYTES); cplen -= ALPHA_PGBYTES; dst += ALPHA_PGBYTES; - vaddr += ALPHA_PGBYTES; + src += ALPHA_PGBYTES; } if (cplen > 0) { - paddr = vtophys(xc, vaddr); + paddr = vtophys(xc, src); dmaaddr = (char *)xc->physmem->dma_addr(paddr, cplen); assert(dmaaddr); @@ -174,6 +174,47 @@ CopyData(ExecContext *xc, void *dest, Addr vaddr, size_t cplen) } void +CopyIn(ExecContext *xc, Addr dest, void *source, size_t cplen) +{ + Addr paddr; + char *dmaaddr; + char *src = (char *)source; + int len; + + paddr = vtophys(xc, dest); + len = min((int)(ALPHA_PGBYTES - (paddr & PGOFSET)), (int)cplen); + dmaaddr = (char *)xc->physmem->dma_addr(paddr, len); + assert(dmaaddr); + + memcpy(dmaaddr, src, len); + if (len == cplen) + return; + + cplen -= len; + src += len; + dest += len; + + while (cplen > ALPHA_PGBYTES) { + paddr = vtophys(xc, dest); + dmaaddr = (char *)xc->physmem->dma_addr(paddr, ALPHA_PGBYTES); + assert(dmaaddr); + + memcpy(dmaaddr, src, ALPHA_PGBYTES); + cplen -= ALPHA_PGBYTES; + src += ALPHA_PGBYTES; + dest += ALPHA_PGBYTES; + } + + if (cplen > 0) { + paddr = vtophys(xc, dest); + dmaaddr = (char *)xc->physmem->dma_addr(paddr, cplen); + assert(dmaaddr); + + memcpy(dmaaddr, src, cplen); + } +} + +void CopyString(ExecContext *xc, char *dst, Addr vaddr, size_t maxlen) { Addr paddr; diff --git a/arch/alpha/vtophys.hh b/arch/alpha/vtophys.hh index 497a53f0d..7c22e3371 100644 --- a/arch/alpha/vtophys.hh +++ b/arch/alpha/vtophys.hh @@ -44,7 +44,8 @@ Addr vtophys(ExecContext *xc, Addr vaddr); uint8_t *vtomem(ExecContext *xc, Addr vaddr, size_t len); uint8_t *ptomem(ExecContext *xc, Addr paddr, size_t len); -void CopyData(ExecContext *xc, void *dst, Addr vaddr, size_t len); +void CopyOut(ExecContext *xc, void *dst, Addr src, size_t len); +void CopyIn(ExecContext *xc, Addr dst, void *src, size_t len); void CopyString(ExecContext *xc, char *dst, Addr vaddr, size_t maxlen); #endif // __VTOPHYS_H__ |