diff options
| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-06-27 17:52:18 -0500 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2015-11-15 02:45:24 +0100 |
| commit | 4ef4fc6c3bc9bb65d9336c9b695ed53a05fe0151 (patch) | |
| tree | e1c4b31e4549064ab055999d754d3cf1db0056e9 /src | |
| parent | dee6b1ff399282bdeff9d76d238a441363bde59a (diff) | |
northbridge/amd/amdmct/mct_ddr3: Properly indicate clobbered registers
Change-Id: Icb2754143762bd64ee1df5674fa071de1c595eaf
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/12012
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h b/src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h index c4bfd3fe64..0d9c8863db 100644 --- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h +++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d_gcc.h @@ -119,6 +119,9 @@ static void proc_CLFLUSH(u32 addr_hi) static void WriteLNTestPattern(u32 addr_lo, u8 *buf_a, u32 line_num) { + uint32_t step = 16; + uint32_t count = line_num * 4; + __asm__ volatile ( /*prevent speculative execution of following instructions*/ /* FIXME: needed ? */ @@ -131,7 +134,7 @@ static void WriteLNTestPattern(u32 addr_lo, u8 *buf_a, u32 line_num) "loop 1b\n\t" "mfence\n\t" - :: "a" (addr_lo), "d" (16), "c" (line_num * 4), "b"(buf_a) + : "+a" (addr_lo), "+d" (step), "+c" (count), "+b" (buf_a) : : ); } @@ -251,6 +254,10 @@ static void ReadMaxRdLat1CLTestPattern_D(u32 addr) static void WriteMaxRdLat1CLTestPattern_D(u32 buf, u32 addr) { + uint32_t addr_phys = addr << 8; + uint32_t step = 16; + uint32_t count = 3 * 4; + SetUpperFSbase(addr); __asm__ volatile ( @@ -263,7 +270,7 @@ static void WriteMaxRdLat1CLTestPattern_D(u32 buf, u32 addr) "loop 1b\n\t" "mfence\n\t" - :: "a" (addr<<8), "d" (16), "c" (3 * 4), "b"(buf) + : "+a" (addr_phys), "+d" (step), "+c" (count), "+b" (buf) : : ); } |