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authorCédric Le Goater <clg@kaod.org>2021-12-17 17:57:19 +0100
committerCédric Le Goater <clg@kaod.org>2021-12-17 17:57:19 +0100
commitaa8cc84d88945088e4588aeaa31573fb4ed3b27a (patch)
tree710d4901bf8de76b88f650ba09ca37ae9d70c2a6 /linux-user/openrisc/cpu_loop.c
parentcf0ee6955cc2f7f256e44c4f8198f69aae6ea39c (diff)
downloadfocaccia-qemu-aa8cc84d88945088e4588aeaa31573fb4ed3b27a.tar.gz
focaccia-qemu-aa8cc84d88945088e4588aeaa31573fb4ed3b27a.zip
ppc/pnv: Compute the PHB index from the PHB4 PEC model
Use the num_stacks class attribute to compute the PHB index depending
on the PEC index :

  * PEC0 provides 1 PHB  (PHB0)
  * PEC1 provides 2 PHBs (PHB1 and PHB2)
  * PEC2 provides 3 PHBs (PHB3, PHB4 and PHB5)

The routine pnv_pec_phb_offset() is a bit complex but it also prepares
ground for PHB5 which has a different layout of stacks: 3 per PECs.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20211213132830.108372-12-clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'linux-user/openrisc/cpu_loop.c')
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