[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH] ieee1275 : extended support in options vector5
From: |
Avnish Chouhan |
Subject: |
[PATCH] ieee1275 : extended support in options vector5 |
Date: |
Fri, 17 Mar 2023 15:08:11 +0530 |
This patch enables the multiple options in Options Vector5.
Signed-off-by: Avnish Chouhan <avnish@linux.vnet.ibm.com>
Reviewed-by: Brian King <brking@linux.vnet.ibm.com>
---
grub-core/kern/ieee1275/init.c | 43 ++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 42 insertions(+), 1 deletion(-)
diff --git a/grub-core/kern/ieee1275/init.c b/grub-core/kern/ieee1275/init.c
index 7337e28..6f0eeee 100644
--- a/grub-core/kern/ieee1275/init.c
+++ b/grub-core/kern/ieee1275/init.c
@@ -72,6 +72,42 @@ extern char _end[];
grub_addr_t grub_ieee1275_original_stack;
#endif
+/* Options vector5 properties */
+
+#define LPAR 0x80
+#define SPLPAR 0x40
+#define DYN_RCON_MEM 0x20
+#define LARGE_PAGES 0x10
+#define DONATE_DCPU_CLS 0x2
+#define PCI_EXP 0x1
+#define BYTE2 (LPAR | SPLPAR | DYN_RCON_MEM | LARGE_PAGES |
DONATE_DCPU_CLS | PCI_EXP)
+
+#define CMOC 0x80
+#define EXT_CMO 0x40
+#define CMO (CMOC | EXT_CMO)
+
+#define ASSOC_REF 0x80
+#define AFFINITY 0x40
+#define NUMA 0x20
+#define ASSOCIATIVITY (ASSOC_REF | AFFINITY | NUMA)
+
+#define HOTPLUG_INTRPT 0x4
+#define HPT_RESIZE 0x1
+#define BIN_OPTS (HOTPLUG_INTRPT | HPT_RESIZE)
+
+#define MAX_CPU 256
+
+#define PFO_HWRNG 0x80000000
+#define PFO_HW_COMP 0x40000000
+#define PFO_ENCRYPT 0x20000000
+#define PLATFORM_FACILITIES (PFO_HWRNG | PFO_HW_COMP | PFO_ENCRYPT)
+
+#define SUB_PROCESSORS 1
+
+#define DY_MEM_V2 0x80
+#define DRC_INFO 0x40
+#define BYTE22 (DY_MEM_V2 | DRC_INFO)
+
void
grub_exit (void)
{
@@ -511,6 +547,11 @@ struct option_vector5
grub_uint8_t micro_checkpoint;
grub_uint8_t reserved0;
grub_uint32_t max_cpus;
+ grub_uint16_t base_PAPR;
+ grub_uint16_t mem_reference;
+ grub_uint32_t platform_facilities;
+ grub_uint8_t sub_processors;
+ grub_uint8_t byte22;
} GRUB_PACKED;
struct pvr_entry
@@ -573,7 +614,7 @@ grub_ieee1275_ibm_cas (void)
.vec4 = 0x0001, /* set required minimum capacity % to the lowest value */
.vec5_size = 1 + sizeof (struct option_vector5) - 2,
.vec5 = {
- 0, 192, 0, 128, 0, 0, 0, 0, 256
+ 0, BYTE2, 0, CMO, ASSOCIATIVITY, BIN_OPTS, 0, 0, MAX_CPU, 0, 0,
PLATFORM_FACILITIES, SUB_PROCESSORS, BYTE22
}
};
--
2.31.1
- [PATCH] ieee1275 : extended support in options vector5,
Avnish Chouhan <=