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| <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></li></ul></div></div> <!----></nav> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading open"><span>Development</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/trustzone-sdk-docs/overview-of-optee-rust-examples/" class="sidebar-link">Overview of OP-TEE Rust Examples</a></li><li><a href="/trustzone-sdk-docs/debugging-optee-ta.md/" class="sidebar-link">Debugging OP-TEE TA</a></li></ul></section></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="expanding-ta-secure-memory-on-qemuv8"><a href="#expanding-ta-secure-memory-on-qemuv8" class="header-anchor">#</a> Expanding TA Secure Memory on QEMUv8</h1> <p>Since some Rust examples such as <code>tls_server-rs</code> and <code>tls_client-rs</code> require |
| larger TA memory (about 18M heap), we've expanded TA secure memory on OP-TEE |
| QEMUv8 platform. On QEMUv8 platform it supports 7M TA memory originally, after |
| expanding it supports 27M TA memory at most.</p> <p>We modified the firmware and configuration of QEMU, ATF and OPTEE. You can |
| download the pre-built image from |
| https://nightlies.apache.org/teaclave/teaclave-trustzone-sdk/ or patch the code |
| and build the images by yourself.</p> <p>The modifications are:</p> <ol><li>QEMU patch in <code>optee-repo/qemu</code>:</li></ol> <div class="language- extra-class"><pre class="language-text"><code>diff --git a/hw/arm/virt.c b/hw/arm/virt.c |
| index d2e5ecd..e1070a0 100644 |
| --- a/hw/arm/virt.c |
| +++ b/hw/arm/virt.c |
| @@ -157,7 +157,7 @@ static const MemMapEntry base_memmap[] = { |
| [VIRT_MMIO] = { 0x0a000000, 0x00000200 }, |
| /* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that size */ |
| [VIRT_PLATFORM_BUS] = { 0x0c000000, 0x02000000 }, |
| - [VIRT_SECURE_MEM] = { 0x0e000000, 0x01000000 }, |
| + [VIRT_SECURE_MEM] = { 0x0e000000, 0x02000000 }, |
| [VIRT_PCIE_MMIO] = { 0x10000000, 0x2eff0000 }, |
| [VIRT_PCIE_PIO] = { 0x3eff0000, 0x00010000 }, |
| [VIRT_PCIE_ECAM] = { 0x3f000000, 0x01000000 }, |
| </code></pre></div><ol start="2"><li>ATF patch in <code>optee-repo/trusted-firmware-a</code>:</li></ol> <div class="language- extra-class"><pre class="language-text"><code>diff --git a/plat/qemu/qemu/include/platform_def.h b/plat/qemu/qemu/include/platform_def.h |
| index c02eff9..ded0660 100644 |
| --- a/plat/qemu/qemu/include/platform_def.h |
| +++ b/plat/qemu/qemu/include/platform_def.h |
| @@ -87,7 +87,7 @@ |
| #define SEC_SRAM_SIZE 0x00060000 |
| |
| #define SEC_DRAM_BASE 0x0e100000 |
| -#define SEC_DRAM_SIZE 0x00f00000 |
| +#define SEC_DRAM_SIZE 0x01f00000 |
| |
| #define SECURE_GPIO_BASE 0x090b0000 |
| #define SECURE_GPIO_SIZE 0x00001000 |
| </code></pre></div><ol start="3"><li>Add configurations in <code>optee-repo/optee_os</code>:</li></ol> <div class="language- extra-class"><pre class="language-text"><code>diff --git a/mk/config.mk b/mk/config.mk |
| index f2822df..8148cc5 100644 |
| --- a/mk/config.mk |
| +++ b/mk/config.mk |
| @@ -904,3 +904,7 @@ CFG_DRIVERS_TPM2_MMIO ?= n |
| ifeq ($(CFG_CORE_TPM_EVENT_LOG),y) |
| CFG_CORE_TCG_PROVIDER ?= $(CFG_DRIVERS_TPM2) |
| endif |
| + |
| +# expand TA secure memory |
| +CFG_TZDRAM_START = 0x0e100000 |
| +CFG_TZDRAM_SIZE = 0x01f00000 |
| </code></pre></div><ol start="4"><li>Patch for OP-TEE core pagetable:</li></ol> <div class="language- extra-class"><pre class="language-text"><code>diff --git a/core/include/mm/pgt_cache.h b/core/include/mm/pgt_cache.h |
| index 0e72e17..28c58ad 100644 |
| --- a/core/include/mm/pgt_cache.h |
| +++ b/core/include/mm/pgt_cache.h |
| @@ -45,9 +45,9 @@ struct pgt { |
| #if CFG_NUM_THREADS < 2 |
| #define PGT_CACHE_SIZE 4 |
| #elif (CFG_NUM_THREADS == 2 && !defined(CFG_WITH_LPAE)) |
| -#define PGT_CACHE_SIZE 8 |
| +#define PGT_CACHE_SIZE 32 |
| #else |
| -#define PGT_CACHE_SIZE ROUNDUP(CFG_NUM_THREADS * 2, PGT_NUM_PGT_PER_PAGE) |
| +#define PGT_CACHE_SIZE 32 |
| #endif |
| </code></pre></div><p>Finally, build images:</p> <div class="language- extra-class"><pre class="language-text"><code>$ cd optee-repo/build |
| $ make |
| </code></pre></div></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated:</span> <span class="time">9/16/2022, 2:47:45 AM</span></div></footer> <!----> <div class="footer"> |
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