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pass r0-r6 as part of smc param 

In new communication protocol between optee os and linux driver,
r0-r6 registers are used. opteed need to copy these registers
as well when optee context registers are initialized.

Change-Id: Ifb47b73f847c61746cb58ea78411c1c71f208030
Signed-off-by: Ashutosh Singh <ashutosh.singh@arm.com>
This commit is contained in:
Ashutosh Singh 2016-03-31 17:18:34 +01:00
parent 6b1ca8f358
commit 56a6412de8
1 changed files with 12 additions and 0 deletions
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12
services/spd/opteed/opteed_main.c
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@ -265,6 +265,18 @@ uint64_t opteed_smc_handler(uint32_t smc_fid,
cm_el1_sysregs_context_restore(SECURE);
cm_set_next_eret_context(SECURE);
write_ctx_reg(get_gpregs_ctx(&optee_ctx->cpu_ctx),
CTX_GPREG_X4,
read_ctx_reg(get_gpregs_ctx(handle),
CTX_GPREG_X4));
write_ctx_reg(get_gpregs_ctx(&optee_ctx->cpu_ctx),
CTX_GPREG_X5,
read_ctx_reg(get_gpregs_ctx(handle),
CTX_GPREG_X5));
write_ctx_reg(get_gpregs_ctx(&optee_ctx->cpu_ctx),
CTX_GPREG_X6,
read_ctx_reg(get_gpregs_ctx(handle),
CTX_GPREG_X6));
/* Propagate hypervisor client ID */
write_ctx_reg(get_gpregs_ctx(&optee_ctx->cpu_ctx),
CTX_GPREG_X7,