OpenE2K
/
qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

target-arm: Implement AArch64 OSLAR_EL1 sysreg as WI 

Define a dummy version of the AArch64 OSLAR_EL1 system register
which just ignores writes. Linux will always write to this (it
is the OS lock used for debugging), but we don't support debug.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
This commit is contained in:
Peter Maydell 2014-02-26 17:20:05 +00:00
parent 0b45451e58
commit cd5c11b84b
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
target-arm/helper.c
View File

@ -1738,6 +1738,10 @@ static const ARMCPRegInfo v8_cp_reginfo[] = {
{ .name = "MDSCR_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 2, .opc1 = 0, .crn = 0, .crm = 2, .opc2 = 2,
.access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
/* We define a dummy WI OSLAR_EL1, because Linux writes to it. */
{ .name = "OSLAR_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 2, .opc1 = 0, .crn = 1, .crm = 0, .opc2 = 4,
.access = PL1_W, .type = ARM_CP_NOP },
REGINFO_SENTINEL
};