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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-09-19 14:34:21 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-09-19 14:34:21 +0200 |
| commit | 31540bfb81bb90b2aca8200b607c69f53ebab7b5 (patch) | |
| tree | 52e8d0b9fb9091ba3a522bf9eed501c1105f5992 | |
| parent | bsp/qoriq: Avoid IVOR38..42 access as hv guest (diff) | |
| download | rtems-31540bfb81bb90b2aca8200b607c69f53ebab7b5.tar.bz2 | |
bsp/qoriq: MMU configuration as hypervisor guest
Re-enable MMU configuration as hypervisor guest. Make sure the
QORIQ_TLB1_ENTRY_COUNT is set according to the hypervisor configuration.
Update #3085.
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/start/start.S | 13 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c | 2 |
2 files changed, 5 insertions, 10 deletions
diff --git a/c/src/lib/libbsp/powerpc/qoriq/start/start.S b/c/src/lib/libbsp/powerpc/qoriq/start/start.S index 100173c3fa..d5a2ceb474 100644 --- a/c/src/lib/libbsp/powerpc/qoriq/start/start.S +++ b/c/src/lib/libbsp/powerpc/qoriq/start/start.S @@ -200,13 +200,6 @@ _start: .Linitmore: mflr SAVED_LINK_REGISTER -#ifdef QORIQ_IS_HYPERVISOR_GUEST - /* MSR initialization with guest state */ - LWI INITIAL_MSR, QORIQ_INITIAL_MSR - oris r0, INITIAL_MSR, MSR_GS >> 16 - mtmsr r0 - isync -#else /* Invalidate all TS1 MMU entries */ li r3, 1 bl qoriq_tlb1_invalidate_all_by_ts @@ -226,9 +219,11 @@ _start: /* MSR initialization and use TS1 for address translation */ LWI INITIAL_MSR, QORIQ_INITIAL_MSR ori r0, INITIAL_MSR, MSR_IS | MSR_DS +#ifdef QORIQ_IS_HYPERVISOR_GUEST + oris r0, r0, MSR_GS >> 16 +#endif mtmsr r0 isync -#endif /* * Initialize start stack. Make sure that we do not share a cache line @@ -248,7 +243,6 @@ _start: blr .Linitmmu: -#ifndef QORIQ_IS_HYPERVISOR_GUEST mflr SAVED_LINK_REGISTER /* Configure MMU */ @@ -263,7 +257,6 @@ _start: PPC64_NOP_FOR_LINKER_TOC_POINTER_RESTORE mtlr SAVED_LINK_REGISTER -#endif blr #ifdef INITIALIZE_FPU diff --git a/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c b/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c index ab0d080ec8..90b0534fa3 100644 --- a/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c +++ b/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c @@ -135,6 +135,7 @@ static entry DATA config[] = { ENTRY_RW(bsp_section_stack_begin, bsp_section_stack_size), ENTRY_IO(bsp_section_nocache_begin, bsp_section_nocache_size), ENTRY_IO(bsp_section_nocachenoload_begin, bsp_section_nocachenoload_size), +#ifndef QORIQ_IS_HYPERVISOR_GUEST #if QORIQ_CHIP_IS_T_VARIANT(QORIQ_CHIP_VARIANT) /* BMan Portals */ ENTRY_DEV_CACHED(&qoriq_bman_portal[0][0], sizeof(qoriq_bman_portal[0])), @@ -144,6 +145,7 @@ static entry DATA config[] = { ENTRY_DEV(&qoriq_qman_portal[1][0], sizeof(qoriq_qman_portal[1])), #endif ENTRY_DEV(&qoriq, sizeof(qoriq)) +#endif }; static DATA char memory_path[] = "/memory"; |