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feat(qemu): update to manifest v0.3

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Update the RMM manifest to v0.3: pass the console information to RMM.

Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Change-Id: I55093cd0c12f9c6a7569d7e524f7d301acbb2a45
This commit is contained in:
Jean-Philippe Brucker 2024-04-04 09:41:57 +01:00
parent 56b263cb2a
commit 762a1c44b9
1 changed files with 76 additions and 24 deletions
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100
plat/qemu/common/qemu_common.c
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@ -5,6 +5,8 @@
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <string.h>
#include <platform_def.h>
#include <arch_helpers.h>
@ -226,46 +228,76 @@ int plat_rmmd_load_manifest(struct rmm_manifest *manifest)
uint64_t checksum;
uintptr_t base;
uint64_t size;
size_t num_banks = 1;
size_t num_consoles = 1;
struct ns_dram_bank *bank_ptr;
struct console_info *console_ptr;
assert(manifest != NULL);
manifest->version = RMMD_MANIFEST_VERSION;
manifest->padding = 0U; /* RES0 */
manifest->plat_data = (uintptr_t)NULL;
manifest->plat_dram.num_banks = 1;
manifest->plat_dram.num_banks = num_banks;
manifest->plat_console.num_consoles = num_consoles;
/*
* Array ns_dram_banks[] follows ns_dram_info structure:
* Boot manifest structure illustration:
*
* +-----------------------------------+
* | offset | field | comment |
* +----------+-----------+------------+
* | 0 | version | 0x00000002 |
* +----------+-----------+------------+
* | 4 | padding | 0x00000000 |
* +----------+-----------+------------+
* | 8 | plat_data | NULL |
* +----------+-----------+------------+
* | 16 | num_banks | |
* +----------+-----------+ |
* | 24 | banks | plat_dram |
* +----------+-----------+ |
* | 32 | checksum | |
* +----------+-----------+------------+
* | 40 | base 0 | |
* +----------+-----------+ bank[0] |
* | 48 | size 0 | |
* +----------+-----------+------------+
* +----------------------------------------+
* | offset | field | comment |
* +----------+--------------+--------------+
* | 0 | version | 0x00000003 |
* +----------+--------------+--------------+
* | 4 | padding | 0x00000000 |
* +----------+--------------+--------------+
* | 8 | plat_data | NULL |
* +----------+--------------+--------------+
* | 16 | num_banks | |
* +----------+--------------+ |
* | 24 | banks | plat_dram |
* +----------+--------------+ |
* | 32 | checksum | |
* +----------+--------------+--------------+
* | 40 | num_consoles | |
* +----------+--------------+ |
* | 48 | consoles | plat_console |
* +----------+--------------+ |
* | 56 | checksum | |
* +----------+--------------+--------------+
* | 64 | base 0 | |
* +----------+--------------+ bank[0] |
* | 72 | size 0 | |
* +----------+--------------+--------------+
* | 80 | base | |
* +----------+--------------+ |
* | 88 | map_pages | |
* +----------+--------------+ |
* | 96 | name | |
* +----------+--------------+ consoles[0] |
* | 104 | clk_in_hz | |
* +----------+--------------+ |
* | 112 | baud_rate | |
* +----------+--------------+ |
* | 120 | flags | |
* +----------+--------------+--------------+
*/
bank_ptr = (struct ns_dram_bank *)
((uintptr_t)&manifest->plat_dram.checksum +
sizeof(manifest->plat_dram.checksum));
(((uintptr_t)manifest) + sizeof(*manifest));
console_ptr = (struct console_info *)
((uintptr_t)bank_ptr + (num_banks * sizeof(*bank_ptr)));
manifest->plat_dram.banks = bank_ptr;
manifest->plat_console.consoles = console_ptr;
/* Ensure the manifest is not larger than the shared buffer */
assert((sizeof(struct rmm_manifest) +
(sizeof(struct console_info) * num_consoles) +
(sizeof(struct ns_dram_bank) * num_banks)) <= RMM_SHARED_SIZE);
/* Calculate checksum of plat_dram structure */
checksum = 1 + (uint64_t)bank_ptr;
checksum = num_banks + (uint64_t)bank_ptr;
base = NS_DRAM0_BASE;
size = NS_DRAM0_SIZE;
@ -276,6 +308,26 @@ int plat_rmmd_load_manifest(struct rmm_manifest *manifest)
/* Checksum must be 0 */
manifest->plat_dram.checksum = ~checksum + 1UL;
/* Calculate the checksum of the plat_consoles structure */
checksum = num_consoles + (uint64_t)console_ptr;
/* Zero out the console info struct */
memset((void *)console_ptr, 0, sizeof(struct console_info) * num_consoles);
console_ptr[0].map_pages = 1;
console_ptr[0].base = PLAT_QEMU_BOOT_UART_BASE;
console_ptr[0].clk_in_hz = PLAT_QEMU_BOOT_UART_CLK_IN_HZ;
console_ptr[0].baud_rate = PLAT_QEMU_CONSOLE_BAUDRATE;
strlcpy(console_ptr[0].name, "pl011", sizeof(console_ptr[0].name));
/* Update checksum */
checksum += console_ptr[0].base + console_ptr[0].map_pages +
console_ptr[0].clk_in_hz + console_ptr[0].baud_rate;
/* Checksum must be 0 */
manifest->plat_console.checksum = ~checksum + 1UL;
return 0;
}
#endif /* ENABLE_RME */