Tegra: sip_calls: fix defects flagged by MISRA scan
Main fixes: * Expressions resulting from the expansion of macro parameters shall be enclosed in parentheses [Rule 20.7] * Added explicit casts (e.g. 0U) to integers in order for them to be compatible with whatever operation they're used in [Rule 10.1] * Fix implicit widening of composite assignment [Rule 10.6] Change-Id: Ia83c3ab6e4c8c03c19c950978a7936ebfc290590 Signed-off-by: Anthony Zhou <anzhou@nvidia.com> Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
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@ -31,12 +31,11 @@
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******************************************************************************/
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extern uint8_t tegra_fake_system_suspend;
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/*******************************************************************************
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* SoC specific SiP handler
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******************************************************************************/
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#pragma weak plat_sip_handler
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int plat_sip_handler(uint32_t smc_fid,
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int32_t plat_sip_handler(uint32_t smc_fid,
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uint64_t x1,
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uint64_t x2,
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uint64_t x3,
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@ -75,9 +74,12 @@ uintptr_t tegra_sip_handler(uint32_t smc_fid,
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/* Check if this is a SoC specific SiP */
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err = plat_sip_handler(smc_fid, x1, x2, x3, x4, cookie, handle, flags);
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if (err == 0)
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if (err == 0) {
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SMC_RET1(handle, (uint64_t)err);
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} else {
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switch (smc_fid) {
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case TEGRA_SIP_NEW_VIDEOMEM_REGION:
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@ -90,13 +92,14 @@ uintptr_t tegra_sip_handler(uint32_t smc_fid,
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* or falls outside of the valid DRAM range
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*/
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err = bl31_check_ns_address(x1, x2);
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if (err)
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SMC_RET1(handle, err);
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if (err != 0) {
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SMC_RET1(handle, (uint64_t)err);
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}
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/*
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* Check if Video Memory is aligned to 1MB.
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*/
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if ((x1 & 0xFFFFF) || (x2 & 0xFFFFF)) {
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if (((x1 & 0xFFFFFU) != 0U) || ((x2 & 0xFFFFFU) != 0U)) {
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ERROR("Unaligned Video Memory base address!\n");
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SMC_RET1(handle, -ENOTSUP);
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}
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@ -108,16 +111,15 @@ uintptr_t tegra_sip_handler(uint32_t smc_fid,
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*/
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regval = mmio_read_32(TEGRA_CAR_RESET_BASE +
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TEGRA_GPU_RESET_REG_OFFSET);
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if ((regval & GPU_RESET_BIT) == 0U) {
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if ((regval & GPU_RESET_BIT) == 0UL) {
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ERROR("GPU not in reset! Video Memory setup failed\n");
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SMC_RET1(handle, -ENOTSUP);
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}
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/* new video memory carveout settings */
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tegra_memctrl_videomem_setup(x1, x2);
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tegra_memctrl_videomem_setup(x1, (uint32_t)x2);
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SMC_RET1(handle, 0);
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break;
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/*
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* The NS world registers the address of its handler to be
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@ -127,8 +129,9 @@ uintptr_t tegra_sip_handler(uint32_t smc_fid,
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*/
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case TEGRA_SIP_FIQ_NS_ENTRYPOINT:
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if (!x1)
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if (x1 == 0U) {
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SMC_RET1(handle, SMC_UNK);
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}
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/*
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* TODO: Check if x1 contains a valid DRAM address
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@ -138,7 +141,6 @@ uintptr_t tegra_sip_handler(uint32_t smc_fid,
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tegra_fiq_set_ns_entrypoint(x1);
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SMC_RET1(handle, 0);
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break;
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/*
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* The NS world's FIQ handler issues this SMC to get the NS EL1/EL0
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@ -149,10 +151,9 @@ uintptr_t tegra_sip_handler(uint32_t smc_fid,
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case TEGRA_SIP_FIQ_NS_GET_CONTEXT:
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/* retrieve context registers when FIQ triggered */
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tegra_fiq_get_intr_context();
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(void)tegra_fiq_get_intr_context();
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SMC_RET0(handle);
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break;
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case TEGRA_SIP_ENABLE_FAKE_SYSTEM_SUSPEND:
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/*
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@ -162,7 +163,7 @@ uintptr_t tegra_sip_handler(uint32_t smc_fid,
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* platform needs. These include replacing the call to WFI by
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* a warm reset request.
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*/
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if (tegra_platform_is_emulation() != 0U) {
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if (tegra_platform_is_virt_dev_kit() != false) {
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tegra_fake_system_suspend = 1;
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SMC_RET1(handle, 0);
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@ -178,6 +179,7 @@ uintptr_t tegra_sip_handler(uint32_t smc_fid,
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ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
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break;
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}
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}
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SMC_RET1(handle, SMC_UNK);
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}
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